List of asteroid close approaches to Earth in 2022

Last updated

Time of discovery of asteroids which passed within 1 lunar distance from Earth in 2022
Circle frame.svgAfter closest approach: 71 (56.3%)< 24 hours before: 18 (14.3%)up to 7 days before: 36 (28.6%)> one week before: 1 (0.8%)> 7 weeks before: 0 (0.0%)> one year before: 0 (0.0%)
  •   After closest approach: 71 (56.3%)
  •   < 24 hours before: 18 (14.3%)
  •   up to 7 days before: 36 (28.6%)
  •   > one week before: 1 (0.8%)
  •   > 7 weeks before: 0 (0.0%)
  •   > one year before: 0 (0.0%)
Counts of confirmed asteroids which were discovered on their 2022 close approach, by discoverer
Circle frame.svgG96 Mt. Lemmon Survey: 48 (38.4%)703 Catalina Sky Survey: 21 (16.8%)F52 Pan-STARRS 2, Haleakala: 16 (12.8%)T08 ATLAS-MLO, Mauna Loa: 9 (7.2%)F51 Pan-STARRS 1, Haleakala: 6 (4.8%)K88 GINOP-KHK, Piszkesteto: 7 (5.6%)T05 ATLAS-HKO, Haleakala: 6 (4.8%)381 Tokyo-Kiso: 3 (2.4%)V00 Kitt Peak-Bok: 2 (1.6%)W94 MAP, San Pedro de Atacama: 2 (1.6%)I41 ZTF, Palomar Mountain: 1 (0.8%)M22 ATLAS South Africa, Sutherland: 1 (0.8%)K19 PASTIS Observatory, Banon: 1 (0.8%)W68 ATLAS Chile, Rio Hurtado: 1 (0.8%)Y00 SONEAR Observatory, Oliveira: 1 (0.8%)
  •   G96 Mt. Lemmon Survey: 48 (38.4%)
  •   703 Catalina Sky Survey: 21 (16.8%)
  •   F52 Pan-STARRS 2, Haleakala: 16 (12.8%)
  •   T08 ATLAS-MLO, Mauna Loa: 9 (7.2%)
  •   F51 Pan-STARRS 1, Haleakala: 6 (4.8%)
  •   K88 GINOP-KHK, Piszkesteto: 7 (5.6%)
  •   T05 ATLAS-HKO, Haleakala: 6 (4.8%)
  •   381 Tokyo-Kiso: 3 (2.4%)
  •   V00 Kitt Peak-Bok: 2 (1.6%)
  •   W94 MAP, San Pedro de Atacama: 2 (1.6%)
  •   I41 ZTF, Palomar Mountain: 1 (0.8%)
  •   M22 ATLAS South Africa, Sutherland: 1 (0.8%)
  •   K19 PASTIS Observatory, Banon: 1 (0.8%)
  •   W68 ATLAS Chile, Rio Hurtado: 1 (0.8%)
  •   Y00 SONEAR Observatory, Oliveira: 1 (0.8%)

Below is the list of asteroids that have come close to Earth in 2022.

Contents

Timeline of known close approaches less than one lunar distance from Earth

A list of known near-Earth asteroid close approaches less than 1 lunar distance (0.0025696 AU (384,410 km; 238,860 mi)) from Earth in 2022. [1] During 2022 about 124 asteroids passed within 1 LD of Earth. As most asteroids passing within a lunar distance are less than 40 meters in diameter, they generally are not detected until they are within several million km of Earth.

For reference, the radius of Earth is about 0.0000426 AU (6,370 km; 3,960 mi) or 0.0166 lunar distances. Geosynchronous satellites have an orbit with semi-major axis length of 0.000282 AU (42,200 km; 26,200 mi) or 0.110 lunar distances.

The first asteroid flyby within 1 LD of Earth in 2022 was asteroid 2021 YK (10–20 meters in diameter), which was observed on 27 December 2021 04:40 UT (when it was about 3.8 million km from Earth) and passed 0.49  LD (190 thousand  km ) from Earth on 2 January 2022. The largest asteroid to pass within 1 LD of Earth in 2022 was 2022 TM2 with an estimated diameter of around 39 meters for an absolute magnitude of 25.2. The fastest asteroid to pass within 1 LD of Earth in 2022 was 2022 YW6 that passed Earth with a velocity with respect to Earth of 29.8 km/s (67,000 mph). [2] [note 1]

Two asteroids, 2022 EB5 and 2022 WJ1 , are noteworthy in that both were detected before impacting Earth. 2022 EB5 and 2022 WJ1 are the 5th and 6th successfully predicted impacts in history, respectively. The latter also holds the record for the smallest asteroid discovered while in space, with an estimated diameter less than 1 metre (3.3 ft) across. [3] Every year, dozens of asteroids impact Earth with enough force to be detected by infrasound sensors designed to detect detonation of nuclear devices, but the vast majority of impacts are unpredicted and occur without warning. Fortunately, most occur over uninhabited areas. [4]

  Rows highlighted red indicate objects which were not discovered until after closest approach

  Rows highlighted yellow indicate objects discovered less than 24 hours before closest approach

  Rows highlighted green indicate objects discovered more than one week before closest approach

  Rows highlighted turquoise indicate objects discovered more than 7 weeks before closest approach

  Rows highlighted blue indicate objects discovered more than one year before closest approach (i.e.
objects successfully cataloged on a previous orbit, rather than being detected during final approach)

Date of
closest
approach		Discovery [note 2] Object Nominal geocentric distance [note 3] Approx.
size (m)		(H)
(abs. mag)		Closer
approach
to Moon
[note 4]
(AU)(Lunar
distance)
2022-01-02 [5] 2021-12-27
G96 Mt. Lemmon Survey [6] 		2021 YK0.00127 AU (190,000 km; 118,000 mi)0.498.7–2027.4✓
2022-01-02 [7] 2022-01-05
G96 Mt. Lemmon Survey [8] 		2022 AP10.00121 AU (181,000 km; 112,000 mi)0.476.0–1328.2—
2022-01-03 [9] 2022-01-05
G96 Mt. Lemmon Survey [10] 		2022 AU0.00213 AU (319,000 km; 198,000 mi)0.834.1–9.129.1—
2022-01-03 [11] 2022-01-05
G96 Mt. Lemmon Survey [12] 		2022 AO10.00232 AU (347,000 km; 216,000 mi)0.903.6–8.029.4—
2022-01-05 [13] 2022-01-06
G96 Mt. Lemmon Survey [14] 		2022 AV130.00073 AU (109,000 km; 68,000 mi)0.281.2–2.631.8✓
2022-01-06 [15] 2022-01-07
F52 Pan-STARRS 2, Haleakala [16] 		2022 AY40.00202 AU (302,000 km; 188,000 mi)0.793.1–6.929.7✓
2022-01-10 [17] 2022-01-11
703 Catalina Sky Survey [18] 		2022 AY50.00068 AU (102,000 km; 63,000 mi)0.273.9–8.629.2—
2022-01-10 [19] 2022-01-10
T08 ATLAS-MLO, Mauna Loa [20] 		2022 AC70.00103 AU (154,000 km; 96,000 mi)0.402.5–5.530.2—
2022-01-11 [21] 2022-01-09
G96 Mt. Lemmon Survey [22] 		2022 AC40.00062 AU (93,000 km; 58,000 mi)0.244.2–9.529.0—
2022-01-23 [23] 2022-01-23
K88 GINOP-KHK, Piszkesteto [24] 		2022 BN0.00062 AU (93,000 km; 58,000 mi)0.245.6–1228.4—
2022-01-24 [25] 2022-01-25
703 Catalina Sky Survey [26] 		2022 BT0.00068 AU (102,000 km; 63,000 mi)0.263.1–6.929.7—
2022-01-25 [27] 2022-01-26
G96 Mt. Lemmon Survey [28] 		2022 BA70.00066 AU (99,000 km; 61,000 mi)0.261.8–4.030.8—
2022-01-27 [29] 2022-01-26
G96 Mt. Lemmon Survey [30] 		2022 BD10.00124 AU (186,000 km; 115,000 mi)0.483.8–8.429.2—
2022-01-27 [31] 2022-01-28
703 Catalina Sky Survey [32] 		2022 BH30.00211 AU (316,000 km; 196,000 mi)0.8215–3426.2✓
2022-01-28 [33] 2022-01-27
G96 Mt. Lemmon Survey [34] 		2022 BN20.00188 AU (281,000 km; 175,000 mi)0.733.0–6.829.7—
2022-02-01 [35] 2022-02-02
T05 ATLAS-HKO, Haleakala [36] 		2022 CE0.00140 AU (209,000 km; 130,000 mi)0.556.8–1528.0—
2022-02-02 [37] 2022-02-02
T05 ATLAS-HKO, Haleakala [38] 		2022 CG0.00231 AU (346,000 km; 215,000 mi)0.9015–3426.2—
2022-02-02 [39] 2022-02-05
G96 Mt. Lemmon Survey [40] 		2022 CY10.00183 AU (274,000 km; 170,000 mi)0.716.4–1428.1✓
2022-02-05 [41] 2022-02-08
703 Catalina Sky Survey [42] 		2022 CU40.00220 AU (329,000 km; 205,000 mi)0.863.7–8.329.3—
2022-02-05 [43] 2022-02-06
G96 Mt. Lemmon Survey [44] 		2022 CB30.00056 AU (84,000 km; 52,000 mi)0.222.1–4.730.5—
2022-02-08 [45] 2022-02-06
V00 Kitt Peak-Bok [46] 		2022 CD30.00192 AU (287,000 km; 178,000 mi)0.755.1–1128.6—
2022-02-10 [47] 2022-02-09
G96 Mt. Lemmon Survey [48] 		2022 CJ50.00021 AU (31,000 km; 20,000 mi)0.082.3–5.230.3—
2022-02-12 [49] 2022-02-13
703 Catalina Sky Survey [50] 		2022 CG70.00034 AU (51,000 km; 32,000 mi)0.135.1–1128.6—
2022-02-13 [51] 2022-02-14
703 Catalina Sky Survey [52] 		2022 CL70.00056 AU (84,000 km; 52,000 mi)0.223.2–7.129.6—
2022-02-14 [53] 2022-02-13
G96 Mt. Lemmon Survey [54] 		2022 CF70.00213 AU (319,000 km; 198,000 mi)0.836.5–1528.0—
2022-02-15 [55] 2022-02-10
W94 MAP, San Pedro de Atacama [56] 		2022 CO60.00150 AU (224,000 km; 139,000 mi)0.5820–4625.6✓
2022-02-24 [57] 2022-02-26
G96 Mt. Lemmon Survey [58] 		2022 DY10.00149 AU (223,000 km; 139,000 mi)0.586.8–1528.0—
2022-02-27 [59] 2022-02-27
T08 ATLAS-MLO, Mauna Loa [60] 		2022 DO30.00088 AU (132,000 km; 82,000 mi)0.3411–2426.9—
2022-03-02 [61] 2022-02-28
F52 Pan-STARRS 2, Haleakala [62] 		2022 DM40.00174 AU (260,000 km; 162,000 mi)0.683.8–8.429.2✓
2022-03-02 [63] 2022-03-02
381 Tokyo-Kiso [64] 		2022 ET0.00182 AU (272,000 km; 169,000 mi)0.712.4–5.530.2—
2022-03-03 [65] 2022-03-02
703 Catalina Sky Survey [66] 		2022 EQ0.00097 AU (145,000 km; 90,000 mi)0.383.1–6.829.7—
2022-03-04 [67] 2022-03-02
G96 Mt. Lemmon Survey [68] 		2022 EF10.00188 AU (281,000 km; 175,000 mi)0.734.3–9.728.9✓
2022-03-08 [69] 2022-03-10
G96 Mt. Lemmon Survey [70] 		2022 EE50.00068 AU (102,000 km; 63,000 mi)0.272.6–5.730.1—
2022-03-09 [71] 2022-03-08
F52 Pan-STARRS 2, Haleakala [72] 		2022 EV30.00053 AU (79,000 km; 49,000 mi)0.212.9–6.429.8—
2022-03-11 [73] [74] 2022-03-11
K88 GINOP-KHK, Piszkesteto [75] 		2022 EB5 impactimpact1.3–3.031.4—
2022-03-13 [76] 2022-03-07
V00 Kitt Peak-Bok [77] 		2022 ES30.00222 AU (332,000 km; 206,000 mi)0.879.7–2227.2✓
2022-03-15 [78] 2022-03-16
703 Catalina Sky Survey [79] 		2022 FA0.00126 AU (188,000 km; 117,000 mi)0.4910–2327.1—
2022-03-24 [80] 2022-03-27
G96 Mt. Lemmon Survey [81] 		2022 FZ30.00204 AU (305,000 km; 190,000 mi)0.804.5–1028.9—
2022-03-25 [82] 2022-03-24
K88 GINOP-KHK, Piszkesteto [83] 		2022 FD1 0.000099 AU (14,800 km; 9,200 mi)0.041.6–3.731.1—
2022-03-26 [84] 2022-03-24
G96 Mt. Lemmon Survey [85] 		2022 FA10.00176 AU (263,000 km; 164,000 mi)0.683.7–8.429.3—
2022-03-28 [86] 2022-03-26
703 Catalina Sky Survey [87] 		2022 FB20.00100 AU (150,000 km; 93,000 mi)0.3912–2626.8—
2022-03-30 [88] 2022-04-02
G96 Mt. Lemmon Survey [89] 		2022 GX20.00098 AU (147,000 km; 91,000 mi)0.383.6–8.129.3—
2022-03-30 [90] 2022-04-01
G96 Mt. Lemmon Survey [91] 		2022 GB0.00189 AU (283,000 km; 176,000 mi)0.743.5–7.829.4—
2022-03-30 [92] 2022-04-03
F52 Pan-STARRS 2, Haleakala [93] 		2022 GB20.00148 AU (221,000 km; 138,000 mi)0.584.4–9.828.9—
2022-04-01 [94] 2022-04-01
T08 ATLAS-MLO, Mauna Loa [95] 		2022 GC0.00035 AU (52,000 km; 33,000 mi)0.144.4–9.429.0—
2022-04-01 [96] 2022-04-02
703 Catalina Sky Survey [97] 		2022 GQ0.00036 AU (54,000 km; 33,000 mi)0.142.2–4.930.4—
2022-04-06 [98] 2022-04-04
G96 Mt. Lemmon Survey [99] 		2022 GN10.00084 AU (126,000 km; 78,000 mi)0.337.3–1627.8—
2022-04-06 [100] 2022-04-05
G96 Mt. Lemmon Survey [101] 		2022 GZ10.00160 AU (239,000 km; 149,000 mi)0.624.4–9.928.9—
2022-04-07 [102] 2022-04-04
G96 Mt. Lemmon Survey [103] 		2022 GQ10.00149 AU (223,000 km; 139,000 mi)0.586.5–1428.1—
2022-04-08 [104] 2022-04-08
703 Catalina Sky Survey [105] 		2022 GQ50.00013 AU (19,000 km; 12,000 mi)0.051.2–2.731.7—
2022-04-09 [106] 2022-04-08
703 Catalina Sky Survey [107] 		2022 GF30.00151 AU (226,000 km; 140,000 mi)0.597.0–1627.9—
2022-04-21 [108] 2022-04-22
K88 GINOP-KHK, Piszkesteto [109] 		2022 HM0.00164 AU (245,000 km; 152,000 mi)0.648.3–1927.5—
2022-04-26 [110] 2022-04-24
G96 Mt. Lemmon Survey [111] 		2022 HB10.00134 AU (200,000 km; 125,000 mi)0.529.3–2127.3—
2022-05-05 [112] 2022-05-06
G96 Mt. Lemmon Survey [113] 		2022 JV0.00213 AU (319,000 km; 198,000 mi)0.833.2–7.229.6✓
2022-05-06 [114] 2022-05-06
G96 Mt. Lemmon Survey [115] 		2022 JM20.00103 AU (154,000 km; 96,000 mi)0.407.2–1627.8—
2022-05-09 [116] 2022-05-03
G96 Mt. Lemmon Survey [117] 		2022 JM0.00253 AU (378,000 km; 235,000 mi)0.994.7–1128.8—
2022-05-10 [118] 2022-05-09
T08 ATLAS-MLO, Mauna Loa [119] 		2022 JO10.00046 AU (69,000 km; 43,000 mi)0.189.5–2127.2—
2022-05-22 [120] 2022-05-23
T05 ATLAS-HKO, Haleakala [121] 		2022 KG10.00040 AU (60,000 km; 37,000 mi)0.164.6–1028.8—
2022-05-25 [122] 2022-05-25
703 Catalina Sky Survey [123] 		2022 KP60.00012 AU (18,000 km; 11,000 mi)0.053.6–8.029.4—
2022-05-30 [124] 2022-05-26
F52 Pan-STARRS 2, Haleakala [125] 		2022 KO30.00195 AU (292,000 km; 181,000 mi)0.766.6–1528.0—
2022-05-30 [126] 2022-05-30
703 Catalina Sky Survey [127] 		2022 KQ50.00027 AU (40,000 km; 25,000 mi)0.113.9–8.829.2—
2022-06-08 [128] 2022-06-08
T08 ATLAS-MLO, Mauna Loa [129] 		2022 LU20.00111 AU (166,000 km; 103,000 mi)0.437.2–1627.8—
2022-06-28 [130] 2022-06-21
F52 Pan-STARRS 2, Haleakala [131] 		2022 MN10.00239 AU (358,000 km; 222,000 mi)0.939.3–2127.3✓
2022-07-01 [132] 2022-06-30
F52 Pan-STARRS 2, Haleakala [133] 		2022 MJ30.00101 AU (151,000 km; 94,000 mi)0.393.3–7.329.6—
2022-07-02 [134] 2022-07-02
I41 Palomar Mountain--ZTF [135] 		2022 NK0.00212 AU (317,000 km; 197,000 mi)0.839.3–2127.3—
2022-07-06 [136] 2022-07-04
F52 Pan-STARRS 2, Haleakala [137] 		2022 NE0.00091 AU (136,000 km; 85,000 mi)0.354.9–1128.6—
2022-07-07 [138] 2022-07-04
F52 Pan-STARRS 2, Haleakala [139] 		2022 NF0.00059 AU (88,000 km; 55,000 mi)0.235.4–1228.5—
2022-07-10 [140] 2022-07-06
703 Catalina Sky Survey [141] 		2022 NR0.00257 AU (384,000 km; 239,000 mi)1.0018–4025.9✓
2022-07-15 [142] 2022-07-26
F52 Pan-STARRS 2, Haleakala [143] 		2022 OR10.00232 AU (347,000 km; 216,000 mi)0.906.9–1527.9✓
2022-08-08 [144] 2022-08-10
F52 Pan-STARRS 2, Haleakala [145] 		2022 PW10.00163 AU (244,000 km; 152,000 mi)0.647.6–1727.7—
2022-08-11 [146] 2022-08-18
F51 Pan-STARRS 1, Haleakala [147] 		2022 QN40.00109 AU (163,000 km; 101,000 mi)0.4312–2726.7—
2022-08-16 [148] 2022-08-16
T08 ATLAS-MLO, Mauna Loa [149] 		2022 QA0.00200 AU (299,000 km; 186,000 mi)0.7811–2426.9—
2022-08-20 [150] 2022-08-21
M22 ATLAS South Africa, Sutherland [151] 		2022 QO20.00137 AU (205,000 km; 127,000 mi)0.537.8–1727.7—
2022-08-20 [152] 2022-08-21
T08 ATLAS-MLO, Mauna Loa [153] 		2022 QW10.00137 AU (205,000 km; 127,000 mi)0.5310–2327.1—
2022-08-20 [154] 2022-08-21
T05 ATLAS-HKO, Haleakala [155] 		2022 QE10.00124 AU (186,000 km; 115,000 mi)0.485.7–1328.3—
2022-08-31 [156] 2022-09-01
W68 ATLAS Chile, Rio Hurtado [157] 		2022 RL0.00094 AU (141,000 km; 87,000 mi)0.374.8–1128.7—
2022-09-01 [158] 2022-09-01
F52 Pan-STARRS 2, Haleakala [159] 		2022 RT10.00022 AU (33,000 km; 20,000 mi)0.091.4–3.031.5—
2022-09-03 [160] 2022-09-04
T08 ATLAS-MLO, Mauna Loa [161] 		2022 RB20.00177 AU (265,000 km; 165,000 mi)0.698.5–1927.5—
2022-09-17 [162] 2022-09-18
F52 Pan-STARRS 2, Haleakala [163] 		2022 SJ30.00093 AU (139,000 km; 86,000 mi)0.362.1–4.630.5—
2022-09-17 [164] 2022-09-18
F51 Pan-STARRS 1, Haleakala [165] 		2022 SX550.00037 AU (55,000 km; 34,000 mi)0.142.4–5.430.2—
2022-09-19 [166] 2022-09-20
Y00 SONEAR Observatory, Oliveira [167] 		2022 SK40.00010 AU (15,000 km; 9,300 mi)0.042.1–4.630.4—
2022-09-23 [168] 2022-09-24
T05 ATLAS-HKO, Haleakala [169] 		2022 SD90.00165 AU (247,000 km; 153,000 mi)0.645.6–1228.4—
2022-09-24 [170] 2022-09-26
G96 Mt. Lemmon Survey [171] 		2022 SF190.00113 AU (169,000 km; 105,000 mi)0.443.7–8.229.3—
2022-10-01 [172] 2022-10-03
703 Catalina Sky Survey [173] 		2022 TL0.00253 AU (378,000 km; 235,000 mi)0.986.9–1527.9—
2022-10-06 [174] 2022-10-01
F51 Pan-STARRS 1, Haleakala [175] 		2022 TD0.00249 AU (372,000 km; 231,000 mi)0.977.4–1727.8—
2022-10-12 [176] 2022-10-14
F52 Pan-STARRS 2, Haleakala [177] 		2022 TY30.00112 AU (168,000 km; 104,000 mi)0.4312–2726.7—
2022-10-13 [178] 2022-10-15
K19 PASTIS Observatory, Banon [179] 		2022 TW20.00180 AU (269,000 km; 167,000 mi)0.705.2–1228.6—
2022-10-13 [180] 2022-10-14
F52 Pan-STARRS 2, Haleakala [181] 		2022 TQ20.00113 AU (169,000 km; 105,000 mi)0.4411–2427.0—
2022-10-15 [182] 2022-10-13
G96 Mt. Lemmon Survey [183] 		2022 TM20.00141 AU (211,000 km; 131,000 mi)0.5524–5325.2—
2022-10-16 [184] 2022-10-16
T05 ATLAS-HKO, Haleakala [185] 		2022 UG30.00043 AU (64,000 km; 40,000 mi)0.173.6–8.129.3—
2022-10-17 [186] 2022-10-20
G96 Mt. Lemmon Survey [187] 		2022 UA50.00112 AU (168,000 km; 104,000 mi)0.442.7–6.129.9—
2022-10-20 [188] 2022-10-20
T08 ATLAS-MLO, Mauna Loa [189] 		2022 UR4 0.00011 AU (16,000 km; 10,000 mi)0.044.4–9.928.9—
2022-10-22 [190] 2022-10-17
F52 Pan-STARRS 2, Haleakala [191] 		2022 UY50.00153 AU (229,000 km; 142,000 mi)0.609.3–2127.3—
2022-10-24 [192] 2022-10-26
K88 GINOP-KHK, Piszkesteto [193] 		2022 UV100.00232 AU (347,000 km; 216,000 mi)0.906.3–1428.1✓
2022-10-24 [194] 2022-10-22
G96 Mt. Lemmon Survey [195] 		2022 UC70.00232 AU (347,000 km; 216,000 mi)0.907.7–1727.7—
2022-10-24 [196] 2022-10-25
G96 Mt. Lemmon Survey [197] 		2022 UQ400.00063 AU (94,000 km; 59,000 mi)0.255.9–1328.1—
2022-10-24 [198] 2022-10-23
F51 Pan-STARRS 1, Haleakala [199] 		2022 UV70.00163 AU (244,000 km; 152,000 mi)0.643.3–7.529.5—
2022-10-26 [200] 2022-10-28
G96 Mt. Lemmon Survey [201] 		2022 UC140.00150 AU (224,000 km; 139,000 mi)0.583.1–6.929.7—
2022-10-27 [202] 2022-10-28
G96 Mt. Lemmon Survey [203] 		2022 UW140.00183 AU (274,000 km; 170,000 mi)0.715.3–1228.5—
2022-10-27 [204] 2022-10-27
381 Tokyo-Kiso [205] 		2022 UB130.00209 AU (313,000 km; 194,000 mi)0.812.9–6.529.8—
2022-10-27 [206] 2022-10-28
G96 Mt. Lemmon Survey [207] 		2022 UU630.00051 AU (76,000 km; 47,000 mi)0.201.7–3.731.0✓
2022-10-27 [208] 2022-10-28
381 Tokyo-Kiso [209] 		2022 UA140.00218 AU (326,000 km; 203,000 mi)0.855.7–1328.3—
2022-10-28 [210] 2022-11-01
G96 Mt. Lemmon Survey [211] 		2022 VH0.00218 AU (326,000 km; 203,000 mi)0.8514–3126.4—
2022-10-29 [212] 2022-10-30
703 Catalina Sky Survey [213] 		2022 UW160.00026 AU (39,000 km; 24,000 mi)0.104.4–9.928.9—
2022-10-30 [214] 2022-10-29
W94 MAP, San Pedro de Atacama [215] 		2022 UW150.00081 AU (121,000 km; 75,000 mi)0.312.5–5.530.2—
2022-10-31 [216] 2022-10-31
K88 GINOP-KHK, Piszkesteto [217] 		2022 UK240.00252 AU (377,000 km; 234,000 mi)0.986.3–1428.1—
2022-10-31 [218] 2022-11-02
G96 Mt. Lemmon Survey [219] 		2022 VG10.00120 AU (180,000 km; 112,000 mi)0.474.4–9.928.9—
2022-11-19 [220] [221] 2022-11-19
G96 Mt. Lemmon Survey [222] 		2022 WJ1 impactimpact0.51–1.1 [3] 33.6—
2022-11-20 [223] 2022-11-21
703 Catalina Sky Survey [224] 		2022 WM30.00132 AU (197,000 km; 123,000 mi)0.515.7–1328.4—
2022-11-22 [225] 2022-11-23
G96 Mt. Lemmon Survey [226] 		2022 WR40.00178 AU (266,000 km; 165,000 mi)0.692.8–6.329.9—
2022-11-23 [227] 2022-11-26
F51 Pan-STARRS 1, Haleakala [228] 		2022 WO60.00213 AU (319,000 km; 198,000 mi)0.834.3–9.629.0—
2022-11-27 [229] 2022-11-29
703 Catalina Sky Survey [230] 		2022 WS100.00183 AU (274,000 km; 170,000 mi)0.7113–3026.5—
2022-11-27 [231] 2022-11-28
G96 Mt. Lemmon Survey [232] 		2022 WN90.00032 AU (48,000 km; 30,000 mi)0.133.3–7.429.5—
2022-11-28 [233] 2022-11-26
F51 Pan-STARRS 1, Haleakala [234] 		2022 WM7 0.00053 AU (79,000 km; 49,000 mi)0.202.8–6.429.9—
2022-11-29 [235] 2022-11-28
G96 Mt. Lemmon Survey [236] 		2022 WE110.00198 AU (296,000 km; 184,000 mi)0.772.8–6.329.9—
2022-12-01 [237] 2022-12-01
K88 GINOP-KHK, Piszkesteto [238] 		2022 XL0.00101 AU (151,000 km; 94,000 mi)0.393.7–8.229.3—
2022-12-02 [239] 2022-12-01
G96 Mt. Lemmon Survey [240] 		2022 XB0.00252 AU (377,000 km; 234,000 mi)0.984.9–1128.7—
2022-12-14 [241] 2022-12-11
G96 Mt. Lemmon Survey [242] 		2022 XX0.00139 AU (208,000 km; 129,000 mi)0.544.9–1128.7—
2022-12-17 [243] 2022-12-17
703 Catalina Sky Survey [244] 		2022 YO1 0.00018 AU (27,000 km; 17,000 mi)0.072.7–5.930.0—
2022-12-18 [245] 2022-12-17
G96 Mt. Lemmon Survey [246] 		2022 YJ0.00188 AU (281,000 km; 175,000 mi)0.734.4–9.928.9—
2022-12-18 [247] 2022-12-19
G96 Mt. Lemmon Survey [248] 		2022 YX10.00176 AU (263,000 km; 164,000 mi)0.695.4–1228.4—
2022-12-22 [249] 2022-12-20
G96 Mt. Lemmon Survey [250] 		2022 YG20.00244 AU (365,000 km; 227,000 mi)0.954.5–1028.8—
2022-12-23 [2] 2022-12-24
G96 Mt. Lemmon Survey [251] 		2022 YW60.00141 AU (211,000 km; 131,000 mi)0.554.8–1128.7—
2022-12-24 [252] 2022-12-23
G96 Mt. Lemmon Survey [253] 		2022 YX20.00154 AU (230,000 km; 143,000 mi)0.605.3–1228.5—
2022-12-26 [254] 2022-12-27
703 Catalina Sky Survey [255] 		2022 YA60.00095 AU (142,000 km; 88,000 mi)0.377.2–1627.8✓
2022-12-27 [256] 2022-12-24
K88 GINOP-KHK, Piszkesteto [257] 		2022 YR40.00201 AU (301,000 km; 187,000 mi)0.784.8–1128.7—

Warning times by size

This sub-section visualises the warning times of the close approaches listed in the above table, depending on the size of the asteroid. It shows the effectiveness of asteroid warning systems at detecting close approaches. The sizes of the charts show the relative sizes of the asteroids to scale. For comparison, the approximate size of a person is also shown. This is based the absolute magnitude of each asteroid, an approximate measure of size based on brightness. [1]

Absolute magnitude 30 and greater

Silhouette of man standing and facing forward Silhouette of man standing and facing forward.svg
Silhouette of man standing and facing forward

(size of a person for comparison)

Circle frame.svgAfter closest approach: 11 (61.1%)< 24 hours before: 5 (27.8%)up to 7 days before: 2 (11.1%)> one week before: 0 (0.0%)> 7 weeks before: 0 (0.0%)> one year before: 0 (0.0%)

Absolute magnitude 29-30

Circle frame.svgAfter closest approach: 18 (54.5%)< 24 hours before: 8 (24.2%)up to 7 days before: 7 (21.2%)> one week before: 0 (0.0%)> 7 weeks before: 0 (0.0%)> one year before: 0 (0.0%)

Absolute magnitude 28-29

Circle frame.svgAfter closest approach: 23 (59.0%)< 24 hours before: 2 (5.1%)up to 7 days before: 14 (35.9%)> one week before: 0 (0.0%)> 7 weeks before: 0 (0.0%)> one year before: 0 (0.0%)

Absolute magnitude 27-28

Circle frame.svgAfter closest approach: 11 (50.0%)< 24 hours before: 1 (4.5%)up to 7 days before: 9 (40.9%)> one week before: 1 (4.5%)> 7 weeks before: 0 (0.0%)> one year before: 0 (0.0%)

Absolute magnitude 26-27 (probable size of the Chelyabinsk meteor)

Circle frame.svgAfter closest approach: 7 (70.0%)< 24 hours before: 2 (20.0%)up to 7 days before: 1 (10.0%)> one week before: 0 (0.0%)> 7 weeks before: 0 (0.0%)> one year before: 0 (0.0%)

Absolute magnitude 25-26

Circle frame.svgAfter closest approach: 0 (0.0%)< 24 hours before: 0 (0.0%)up to 7 days before: 3 (100.0%)> one week before: 0 (0.0%)> 7 weeks before: 0 (0.0%)> one year before: 0 (0.0%)
  •   After closest approach: 0 (0.0%)
  •   < 24 hours before: 0 (0.0%)
  •   up to 7 days before: 3 (100.0%)
  •   > one week before: 0 (0.0%)
  •   > 7 weeks before: 0 (0.0%)
  •   > one year before: 0 (0.0%)


Predicted close approaches

Prediction accuracy for asteroids of magnitude 27 or larger nominally predicted to pass within 1 lunar distance of Earth in 2022 [note 5]
Circle frame.svgUnpredicted: 13 (86.7%)Predicted but not observed: 1 (6.7%)Observed but details incorrect: 0 (0.0%)Distance correct but not date: 0 (0.0%)Date correct but not distance: 0 (0.0%)Successfully predicted: 1 (6.7%)Not due till later in the year: 0 (0.0%)
  •   Unpredicted: 13 (86.7%)
  •   Predicted but not observed: 1 (6.7%)
  •   Observed but details incorrect: 0 (0.0%)
  •   Distance correct but not date: 0 (0.0%)
  •   Date correct but not distance: 0 (0.0%)
  •   Successfully predicted: 1 (6.7%)
  •   Not due till later in the year: 0 (0.0%)

Below is the list of predicted close approaches of near-Earth asteroids larger than magnitude 27, that were predicted at the start of the year to occur in 2022. [note 5] This relates to the effectiveness of asteroid cataloging systems at predicting close approaches. A predicted close approach distance of within ±50% is considered to be a successful prediction. [note 6]

For asteroids which were observed but not predicted, see the main list above.

  Rows highlighted orange indicate objects which were predicted theoretically but were not observed in practice

  Rows highlighted yellow indicate objects which were predicted and observed but the predicted close approach date and distance were incorrect

  Rows highlighted green indicate objects which were observed with the predicted close approach distance (within ±50%) but wrong date

  Rows highlighted turquoise indicate objects which were observed with the predicted close approach date but wrong distance (out by over 50%)

  Rows highlighted blue indicate objects which were observed as predicted with the correct close approach date and distance

  Rows in grey indicate predicted objects that are not yet due

Object Recovery Date [note 7] Predicted Date of closest approachActual Date of closest approachPredicted closest approach distance (Lunar
distance)		Actual closest approach distance (Lunar
distance) [note 6] 		(H)
(abs. mag)		Approx. Size (m)
2020 TO2Not observed [258] 2022-10-15 ±4 days [259] Not observed1.34–20.6 (1.39 nominal)Not observed26.414–31
2015 RN352022-08-29 [260] 2022-12-15 [261] 2022-12-151.78–1.79 (1.78 nominal)1.785 LD23.164–140

Notes

  1. ↑ 2022 YW6 passed Earth with a velocity with respect to Earth of 29.8 km/s and was moving away from the Sun at 38.1 km/s.
  2. ↑ Discovery date, and if the object was confirmed and previously undiscovered, the discoverer
  3. ↑ Distance from the center of Earth to the center of the object. See the NASA/JPL Solar System Dynamics Glossary: Geocentric. Earth has a radius of approximately 6,400 km (0.0166 LD).
  4. ↑ Objects that approached closer to the Moon than Earth are marked with a check.
  5. 1 2 Absolute magnitude 27 is the estimated magnitude of the Chelyabinsk meteor, which caused widespread damage and injury, but no deaths. Objects smaller than this are excluded.
  6. 1 2 Asteroids with a predicted close approach distance of up to 2 LD are included in the table, since a 2 LD prediction that is out by -50% will result in a 1 LD close approach.
  7. ↑ The date that the object was reacquired i.e. the earliest date this close approach was observed

Additional examples

Below is an example list of near-Earth asteroids that passed or nominally will pass more than 1 lunar distance (384,400 km or 0.00256 AU) from Earth in 2022. During 2021 over 1000 asteroids passed within 10 LD (3.8 million km) of Earth.

  Rows highlighted yellow indicate short arc objects that have not been observed for years and therefore the uncertainty in the approach distance and date are large

  Rows highlighted red indicate objects which are risk–listed with a virtual impactor near this date

ObjectSize
(meters)		Nearest approach
(lunar
distances)		DateRef
2020 AP1 3–70.003–11 (5 LD nominal)2022-01-07? JPL  · CAD
Planet Venus [note2 1] —103.42022-01-08 JPL
(7482) 1994 PC1 750–13005.152022-01-18 JPL  · CAD
2015 DR215 220–49017.432022-03-11 JPL  · CAD
2022 BX1 130-28019.982022-03-13 JPL  · CAD
2012 TV 24–540.7–50 (20 LD nominal)2022-04-05? JPL  · CAD
(418135) 2008 AG33350-7808.432022-04-28 JPL  · CAD
2009 JF1 [note2 2] 8-178.2–115 (61 LD nominal)2022-05-15? Nominal
Planet Mercury [note2 3] —214.12022-05-22 JPL
(7335) 1989 JA 840–190010.472022-05-27 JPL  · CAD
2022 NX1 7–142.112022-06-26 JPL  · CAD
2022 PX1100–2202.832022-08-12 JPL  · CAD
2022 QX4 30–704.772022-08-29 JPL  · CAD
161989 Cacus 990–220022.392022-09-01 JPL  · CAD
65803 Didymos 700–90027.722022-10-04 JPL  · CAD
2022 RM4 300–6705.98 [note2 4] 2022-11-01 JPL  · CAD
27 Euterpe (MBA)960004002022-11-16 JPL
(85713) 1998 SS49 2000–350055.02 [note2 5] 2022-11-21 JPL  · CAD
2005 LW3 4002.972022-11-23 JPL  · CAD
Planet Mars [note2 6] —211.92022-12-01 JPL
2013 YA1450-1102.69 [note2 7] 2022-12-25 JPL  · CAD
2010 XC15 140-3002.012022-12-27 JPL  · CAD

Notes

  1. ↑ For comparison as closest Venus approach was 2022-Jan-08 at 0.2658  AU (103.4  LD ). (Earth came to perihelion on 2022-Jan-04.)
  2. ↑ 2009 JF1 was unique because it was rare to have an asteroid predicted to pass within 1 AU of the Earth (in the next year) and have better than a 1:50,000 chance of impact. Before re-measurements of the existing astrometry in February 2022, 2009 JF1 was nominally predicted to pass about 0.1  AU (15 million  km ; 39  LD ) from Earth with a 1:3800 chance of impact.
  3. ↑ Mercury also passed 257 LD from Earth on January 24 and 251 LD from Earth on September 20. Mercury makes a closest approach to Earth about every 116 days.
  4. ↑ As of 1 November 2022 the uncertainty in the close approach distance of 2022 RM4 on 1 November 2022 was ±77 km.
  5. ↑ The uncertainty region for (85713) 1998 SS49 on 2022-Nov-21 was ±28 km.
  6. ↑ Mars closest approach is 2022-Dec-01 even though opposition in the sky is 2022-Dec-08. Mars close approaches occur about every 26 months (779.94 days).
  7. ↑ The uncertainty region for 2013 YA14 on 2022-Dec-25 was ±9 km.

See also

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(152680) 1998 KJ9 is a sub-kilometer asteroid, classified as near-Earth object and potentially hazardous asteroid of the Apollo group. Based on absolute magnitude, it is the third largest asteroid known to have passed closer than the Moon.

<span class="nowrap">2018 DV<sub>1</sub></span>

2018 DV1 is a micro-asteroid, classified as a near-Earth object of the Aten group, approximately 6–12 meters (20–40 feet) in diameter. It was first observed on 26 February 2018, by astronomers of the Mount Lemmon Survey at Mount Lemmon Observatory, Arizona, five days prior to its sub-lunar close encounter with Earth at less than 0.3 lunar distance.

(385343) 2002 LV, provisional designation 2002 LV, is a stony asteroid on a highly eccentric orbit, classified as near-Earth object and potentially hazardous asteroid of the Apollo group, approximately 1.5 kilometers in diameter. It was discovered on 1 June 2002, by astronomers with the Lincoln Near-Earth Asteroid Research at the Lincoln Laboratory's Experimental Test Site near Socorro, New Mexico, in the United States. The Sr-type asteroid has a rotation period of 6.2 hours and is likely elongated.

(154276) 2002 SY50, provisional designation 2002 SY50, is a stony asteroid on a highly eccentric orbit, classified as near-Earth object and potentially hazardous asteroid of the Apollo group, approximately 1.1 kilometers (0.7 miles) in diameter. It was discovered on 30 September 2002, by astronomers with the Lincoln Near-Earth Asteroid Research at the Lincoln Laboratory's Experimental Test Site near Socorro, New Mexico, in the United States. The K-type asteroid has a rotation period of 4.8 hours. It will make a close encounter with Earth on 30 October 2071.

2020 CW is a tiny near-Earth asteroid of the Apollo group, approximately 1 meter (3 ft) in diameter. It was first observed by the Mount Lemmon Survey on 1 February 2020, when it passed Earth very closely at a nominal distance of only 0.041 lunar distances. The object's orbital elements remain highly uncertain.

2019 BE5 is a sub-kilometer near-Earth asteroid classified under the Aten group. It was discovered on 31 January 2019, by the Zwicky Transient Facility at the Palomar Observatory. The asteroid was discovered one day after it had made a close approach to Earth from a distance of 0.00784 AU (1.173 million km; 3.05 LD).

<span class="nowrap">(620094) 2016 AJ<sub>193</sub></span>

(620094) 2016 AJ193 (provisional designation 2016 AJ193; also known as 2010 KV134) is a near-Earth object and potentially hazardous asteroid of the Apollo group, approximately 1.4 kilometres (0.87 mi) in diameter. It was discovered on 17 May 2010 by the Wide-field Infrared Survey Explorer (WISE) satellite, but was lost until it was reobserved on 16 January 2016. With an observation arc over 11 years, 2016 AJ193 has a well-determined orbit and trajectory through the year 2086. The asteroid's orbit is only potentially hazardous on a time scale of thousands of years.

2021 DW1 is a small Apollo near-Earth asteroid discovered on 16 February 2021 by the Pan-STARRS 1 survey at Haleakala Observatory, Hawaii. On 4 March 2021 at 8:59 UTC, it passed 1.48 LD (570,000 km; 350,000 mi) from Earth. During the close approach, it trailed across the Northern Hemisphere sky and brightened up to apparent magnitude of 14.6. Extensive observations of 2021 DW1 during the encounter revealed that it is an elongated, stony asteroid approximately 30 metres (100 ft) in diameter, with a rapid rotation period of 50 seconds. The asteroid's spin axis is unusually oblique relative to its orbital plane, contrary to predictions from the YORP effect.

2021 DR15 is a large trans-Neptunian object in the scattered disc, around 700 kilometres (430 miles) in diameter. It was discovered on 17 February 2021, by American astronomers Scott Sheppard, David Tholen, and Chad Trujillo using the 8.2-meter Subaru Telescope of the Mauna Kea Observatories in Hawaii, and announced on 17 December 2021. It was 89.4 astronomical units from the Sun when it was discovered, making it one of the most distant known Solar System objects from the Sun as of December 2021. It has been identified in several precovery images as far back as 10 March 2005.

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2020 BE102 is a trans-Neptunian object in the scattered disc, around 350 kilometres (220 miles) in diameter. It was discovered on 24 January 2020, by American astronomers Scott Sheppard, David Tholen, and Chad Trujillo using the 8.2-meter Subaru Telescope of the Mauna Kea Observatories in Hawaii, and announced on 31 May 2021. It was 111.2 astronomical units from the Sun when it was discovered, making it the third-farthest known Solar System object from the Sun as of May 2022, after 2018 VG18 (124 AU) and 2018 AG37 (~132 AU).

2021 LL37 is a large trans-Neptunian object in the scattered disc, around 600 kilometres (370 miles) in diameter. It was discovered on 12 June 2021, by American astronomers Scott Sheppard and Chad Trujillo using Cerro Tololo Inter-American Observatory's Dark Energy Camera in Chile, and announced on 31 May 2022. It was 73.9 astronomical units from the Sun when it was discovered, making it one of the most distant known Solar System objects from the Sun as of May 2022. It has been identified in precovery images from as far back as 28 April 2014.

2021 RR205 is an extreme trans-Neptunian object and sednoid discovered by astronomers Scott Sheppard, David Tholen, and Chad Trujillo with the Subaru Telescope at Mauna Kea Observatory on 5 September 2021. It resides beyond the outer extent of the Kuiper belt on a distant and highly eccentric orbit detached from Neptune's gravitational influence, with a large perihelion distance of 55.5 astronomical units (AU). Its large orbital semi-major axis (~1,000 AU) suggests it is potentially from the inner Oort cloud. Like 2013 SY99, 2021 RR205 lies in the 50–75 AU perihelion gap that separates the detached objects from the more distant sednoids; dynamical studies indicate that such objects in the inner edge this gap weakly experience "diffusion", or inward orbital migration due to minuscule perturbations by Neptune.

References

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  219. ↑ "2022 VG1". Minor Planet Center. International Astronomical Union. Retrieved 30 November 2022.
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  227. ↑ "JPL Small-Body Database Browser: (2022 WO6)". Jet Propulsion Laboratory. Retrieved 30 November 2022.
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