820 Adriana

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820 Adriana
Discovery [1]
Discovered by M. Wolf
Discovery site Heidelberg Obs.
Discovery date30 March 1916
Designations
(820) Adriana
Named after
unknown [2]
1916 ZB ·1934 NA1
1934 PV ·1935 SE
1975 YP
main-belt
Orbital characteristics [1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc 80.57 yr (29427 d)
Aphelion 3.2848  AU (491.40  Gm)
Perihelion 2.9746 AU (444.99 Gm)
3.1297 AU (468.20 Gm)
Eccentricity 0.049550
5.54 yr (2022.3 d)
284.54°
0° 10m 40.836s / day
Inclination 5.9337°
118.47°
193.08°
Earth  MOID 1.95997 AU (293.207 Gm)
Jupiter  MOID 1.8749 AU (280.48 Gm)
TJupiter 3.203
Physical characteristics
29.325±1.25 km (IRAS:26)
0.0204±0.002(IRAS:26) [1]
10.4 [1]

    820 Adriana, provisional designation 1916 ZB, is an exceptionally dark asteroid from the outer region of the asteroid belt, about 59 kilometers in diameter. It was discovered by German astronomer Max Wolf at Heidelberg Observatory in southern Germany, on 30 March 1916. [3]

    The asteroid orbits the Sun at a distance of 3.0–3.3  AU once every 5 years and 7 months (2,027 days). Its orbit shows an eccentricity of 0.05 and is tilted by 6 degrees to the plane of the ecliptic. [1] According to the survey carried out by the Infrared Astronomical Satellite, IRAS, the asteroid's surface has an extremely low albedo of 0.02. [1] The body's spectral type remains unknown, as does its rotation period. By 2014, there were only 22 asteroids with an unknown rotation period for the low-numbered asteroids up to number 1000 (also see 398 Admete).

    Any reference of this name to a person or occurrence is unknown. [2]

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    <span class="mw-page-title-main">398 Admete</span> Main-belt asteroid

    398 Admete, provisional designation 1894 BN, is a dark, carbonaceous asteroid from the outer region of the asteroid belt, about 47 kilometers in diameter. It was discovered on 28 December 1894, by French astronomer Auguste Charlois at Nice Observatory in southeastern France.

    421 Zähringia, provisional designation 1896 CZ, is a stony asteroid from the intermediate asteroid belt, approximately 14 kilometers in diameter. It was discovered on 7 September 1896, by astronomer Max Wolf at Heidelberg Observatory in Germany. The asteroid was named for the House of Zähringen, a medieval noble family that ruled parts of Swabia and Switzerland.

    459 Signe, provisional designation 1900 FM, is a stony asteroid from the background population of the intermediate asteroid belt, approximately 26 kilometers in diameter. It was discovered by German astronomer Max Wolf at Heidelberg-Königstuhl State Observatory on 22 October 1900. The asteroid was presumably named after Signy, a character of the Scandinavian Völsunga saga and Norse mythology. Signy is the daughter of Völsung and sister of Sigmund.

    835 Olivia is a dark background asteroid from the outer regions of the asteroid belt. It was discovered by German astronomer Max Wolf at the Heidelberg-Königstuhl State Observatory on 23 September 1916. The carbonaceous C-type asteroid measures approximately 35 kilometers in diameter, and is one of few low-numbered asteroids with an undetermined rotation period. Any reference to the origin of the asteroid's name is unknown.

    <span class="mw-page-title-main">837 Schwarzschilda</span> Main-belt asteroid

    837 Schwarzschilda, provisional designation 1916 AG, is a low-eccentric, well-observed asteroid from the asteroid belt, orbiting the Sun with a period of 3.48 years at a distance of 2.21–2.39 AU. It was discovered by German astronomer Max Wolf at Heidelberg Observatory on 23 September 1916.

    858 El Djezaïr is a stony asteroid from the asteroid belt, about 24 kilometers in diameter. It was discovered on May 26, 1916, by French astronomer Frédéric Sy at the Algiers Observatory in Algeria, North Africa, and given the provisional designation 1916 a.

    859 Bouzaréah, provisional designation 1916 c, is a dark asteroid from the asteroid belt about 74 kilometers in diameter. It was discovered by French astronomer Frédéric Sy at the Algiers Observatory in Algeria, North Africa, on 2 October 1916.

    1053 Vigdis, provisional designation 1925 WA, is a bright background asteroid from the central regions of the asteroid belt, approximately 9 kilometers in diameter. It was discovered on 16 November 1925, by German astronomer Max Wolf at the Heidelberg-Königstuhl State Observatory in Heidelberg, Germany. The meaning of the asteroids's name is unknown.

    1169 Alwine, provisional designation 1930 QH, is a Florian asteroid from the inner regions of the asteroid belt, approximately 8 kilometers in diameter. It was discovered on 30 August 1930, by German and Italian astronomers Max Wolf and Mario Ferrero at Heidelberg Observatory in southwest Germany. Any reference of its name to a person is unknown.

    1037 Davidweilla, provisional designation 1924 TF, is an asteroid from the inner regions of the asteroid belt, approximately 7 kilometers in diameter. It was discovered on 29 October 1924, by Benjamin Jekhowsky at Algiers Observatory in Algeria, Northern Africa.

    1066 Lobelia, provisional designation 1926 RA, is a bright background asteroid from the inner regions of the asteroid belt, approximately 6 kilometers in diameter. It was discovered on 1 September 1926, by astronomer Karl Reinmuth at the Heidelberg-Königstuhl State Observatory in Germany. The asteroid was named after the flowering plant Lobelia (lobelias).

    1138 Attica, provisional designation 1929 WF, is an asteroid from the outer region of the asteroid belt, approximately 24 kilometers in diameter. It was discovered on 22 November 1929, by German astronomer Karl Reinmuth at Heidelberg Observatory in southwest Germany. It was named after the Attica Province in Greece.

    1818 Brahms, provisional designation 1939 PE, is an asteroid from the inner regions of the asteroid belt, approximately 6 kilometers in diameter. It was discovered on 15 August 1939, by German astronomer Karl Reinmuth at Heidelberg Observatory in southern Germany. The asteroid was named after composer Johannes Brahms.

    1205 Ebella (provisional designation 1931 TB1) is a relatively eccentric asteroid from the central regions of the asteroid belt, approximately 5.5 kilometers in diameter. It was discovered by astronomer Karl Reinmuth at Heidelberg Observatory on 6 October 1931. The asteroid was named after German astronomer Martin Ebell.

    2311 El Leoncito, provisional designation 1974 TA1, is a dark and reddish asteroid from the outer region of the asteroid belt, approximately 53 kilometers in diameter. The asteroid was discovered by astronomers at Félix Aguilar Observatory at the Leoncito Astronomical Complex in Argentina on 10 October 1974. It was later named after the discovering site.

    1410 Margret, provisional designation 1937 AL, is an Eoan asteroid from the outer regions of the asteroid belt, approximately 21 kilometers in diameter. It was discovered on 8 January 1937, by astronomer Karl Reinmuth at the Heidelberg Observatory in southwest Germany. The asteroid was named after Margret Braun, wife of the Heidelberg astronomer Heinrich Vogt.

    1229 Tilia is a dark Themistian asteroid from the outermost regions of the asteroid belt, approximately 28 kilometers in diameter. It was discovered on 9 October 1931, by astronomer Karl Reinmuth at the Heidelberg Observatory in southwest Germany, and given the provisional designation 1931 TP1. The asteroid was named for the genus of trees, Tilia (lime tree, linden, basswood).

    2661 Bydžovský, provisional designation 1982 FC1, is an asteroid from the outer region of the asteroid belt, approximately 30 kilometers in diameter. It was discovered on 23 March 1982, by Czech astronomer Zdeňka Vávrová at the South Bohemian Kleť Observatory in the Czech Republic. The asteroid was named after mathematician Bohumil Bydžovský.

    1944 Günter, provisional designation 1925 RA, is an asteroid from the inner regions of the asteroid belt, approximately 5 kilometers in diameter.

    References

    1. 1 2 3 4 5 6 "JPL Small-Body Database Browser: 820 Adriana (1916 ZB)" (2015-12-10 last obs.). Jet Propulsion Laboratory . Retrieved 4 May 2016.
    2. 1 2 Schmadel, Lutz D. (2003). "(820) Adriana". Dictionary of Minor Planet Names – (820) Adriana. Springer Berlin Heidelberg. p. 76. doi:10.1007/978-3-540-29925-7_821. ISBN   978-3-540-29925-7.
    3. "820 Adriana (1916 ZB)". Minor Planet Center. Retrieved 9 January 2016.