Stefano Sposetti (born 22 December 1958) is a Swiss amateur astronomer and a prolific discoverer of minor planets. [2] [3] He lives in Gnosca, in the Italian-speaking part of Switzerland in the Ticino Alps, where the Gnosca Observatory is located.
Sposetti took images of 2004 FH, an Aten asteroid that made a sub-lunar flyby of Earth. [1] In addition, he detects the optical counterparts of gamma-ray bursts and conducts transit photometry on exoplanets at his observatory. [4]
As of 2019, Sposetti's discoveries include 164 minor planets (numbered only). The Minor Planet Center ranks him 70th in the list of all-time, worldwide discoverers. [5] Asteroid 22354 Sposetti has been named after him. [6]
| see § List of discovered minor planets |
| 12931 Mario | 7 October 1999 | list |
| 12932 Conedera | 10 October 1999 | list |
| 15077 Edyalge | 2 February 1999 | list |
| 16110 Paganetti | 28 November 1999 | list |
| 17190 Retopezzoli | 28 November 1999 | list |
| (18056) 1999 TV15 | 11 October 1999 | list |
| 18872 Tammann | 8 November 1999 | list |
| 18874 Raoulbehrend | 8 November 1999 | list |
| 19715 Basodino | 27 October 1999 | list |
| 20624 Dariozanetti | 9 October 1999 | list |
| 21650 Tilgner | 17 July 1999 | list |
| 22769 Aurelianora | 19 January 1999 | list |
| 22898 Falce | 10 October 1999 | list |
| (25397) 1999 VY10 | 7 November 1999 | list |
| (26321) 1998 VT5 | 11 November 1998 | list |
| (27249) 1999 WO8 | 28 November 1999 | list |
| 29753 Silvo | 10 February 1999 | list |
| 31555 Wheeler | 7 March 1999 | list |
| 33433 Maurilia | 14 March 1999 | list |
| (33445) 1999 FB21 | 23 March 1999 | list |
| (34125) 2000 QZ | 23 August 2000 | list |
| (34126) 2000 QA1 | 23 August 2000 | list |
| (36447) 2000 QB1 | 23 August 2000 | list |
| (38679) 2000 QX | 22 August 2000 | list |
| (41204) 1999 WX8 | 28 November 1999 | list |
| (41205) 1999 WZ8 | 28 November 1999 | list |
| (41301) 1999 XP127 | 6 December 1999 | list |
| 41979 Lelumacri | 22 December 2000 | list |
| (43027) 1999 VA23 | 12 November 1999 | list |
| (43028) 1999 VE23 | 12 November 1999 | list |
| 43087 Castegna | 28 November 1999 | list |
| 45027 Cosquer | 28 November 1999 | list |
| (45074) 1999 XA38 | 6 December 1999 | list |
| (45075) 1999 XB38 | 6 December 1999 | list |
| 45261 Decoen | 2 January 2000 | list |
| 45305 Paulscherrer | 4 January 2000 | list |
| 47164 Ticino | 10 October 1999 | list |
| 47494 Gerhardangl | 4 January 2000 | list |
| (47981) 2000 WG183 | 30 November 2000 | list |
| 50033 Perelman | 3 January 2000 | list |
| 53252 Sardegna | 13 March 1999 | list |
| 53468 Varros | 2 January 2000 | list |
| 54522 Menaechmus | 23 August 2000 | list |
| 56100 Luisapolli | 24 January 1999 | list |
| 59239 Alhazen | 7 February 1999 | list |
| 61195 Martinoli | 28 July 2000 | list |
| 61384 Arturoromer | 22 August 2000 | list |
| 61386 Namikoshi | 24 August 2000 | list |
| 61401 Schiff | 25 August 2000 | list |
| 61402 Franciseveritt | 25 August 2000 | list |
| 62071 Voegtli | 8 September 2000 | list |
| 63129 Courtemanche | 30 November 2000 | list |
| 66939 Franscini | 28 November 1999 | list |
| 67085 Oppenheimer | 4 January 2000 | list |
| 67235 Fairbank | 5 March 2000 | list |
| 70179 Beppechiara | 21 August 1999 | list |
| 70446 Pugh | 10 October 1999 | list |
| 70737 Stenflo | 8 November 1999 | list |
| 70942 Vandanashiva | 28 November 1999 | list |
| 72042 Dequeiroz | 17 December 2000 | list |
| 72632 Coralina | 23 March 2001 | list |
| 74818 Iten | 7 October 1999 | list |
| 75063 Koestler | 1 November 1999 | list |
| 75569 IRSOL | 2 January 2000 | list |
| 80135 Zanzanini | 7 October 1999 | list |
| 87644 Cathomen | 8 September 2000 | list |
| (87645) 2000 RK77 | 9 September 2000 | list |
| 88146 Castello | 30 November 2000 | list |
| 91428 Cortesi | 20 August 1999 | list |
| 91429 Michelebianda | 30 August 1999 | list |
| 91898 Margnetti | 8 November 1999 | list |
| 92525 Delucchi | 28 July 2000 | list |
| 92585 Fumagalli | 7 August 2000 | list |
| 92614 Kazutami | 23 August 2000 | list |
| (92615) 2000 QR1 | 23 August 2000 | list |
| (92616) 2000 QU1 | 24 August 2000 | list |
| (93949) 2000 WZ178 | 30 November 2000 | list |
| 96876 Andreamanna | 7 October 1999 | list |
| 97069 Stek | 12 November 1999 | list |
| 97186 Tore | 28 November 1999 | list |
| (98873) 2001 BO11 | 20 January 2001 | list |
| (102223) 1999 TE12 | 10 October 1999 | list |
| 102224 Raffaellolena | 10 October 1999 | list |
| 102617 Allium | 12 November 1999 | list |
| 102619 Crespino | 12 November 1999 | list |
| (103289) 2000 AF42 | 2 January 2000 | list |
| (105251) 2000 QP6 | 24 August 2000 | list |
| (107676) 2001 FD10 | 17 March 2001 | list |
| (121517) 1999 UO11 | 31 October 1999 | list |
| (121541) 1999 UZ51 | 31 October 1999 | list |
| (123499) 2000 WY178 | 30 November 2000 | list |
| (123612) 2000 YL16 | 22 December 2000 | list |
| (123955) 2001 FC10 | 17 March 2001 | list |
| (134793) 2000 EH15 | 5 March 2000 | list |
| (137498) 1999 VP8 | 7 November 1999 | list |
| (137636) 1999 WS8 | 28 November 1999 | list |
| (138543) 2000 QR6 | 25 August 2000 | list |
| (145988) 2000 BC4 | 26 January 2000 | list |
| (148448) 2000 YB1 | 17 December 2000 | list |
| (156474) 2002 CN46 | 11 February 2002 | list |
| (164358) 2005 DB | 16 February 2005 | list |
| (164360) 2005 EL2 | 1 March 2005 | list |
| (164915) 1999 XC38 | 6 December 1999 | list |
| (167853) 2005 DN | 26 February 2005 | list |
| (168473) 1999 QU1 | 20 August 1999 | list |
| (170974) 2005 CN25 | 4 February 2005 | list |
| (171552) 1999 TD12 | 10 October 1999 | list |
| (171579) 1999 VD23 | 12 November 1999 | list |
| (172836) 2005 CX37 | 7 February 2005 | list |
| (178116) 2006 TK7 | 10 October 2006 | list |
| (185748) 1999 NX4 | 15 July 1999 | list |
| (187461) 2005 XM65 | 7 December 2005 | list |
| (189521) 2000 OB7 | 30 July 2000 | list |
| (190167) 2005 UW158 | 26 October 2005 | list |
| (191093) 2002 EF | 3 March 2002 | list |
| (196800) 2003 SX200 | 25 September 2003 | list |
| 199194 Calcatreppola | 3 January 2006 | list |
| (200511) 2001 BN11 | 16 January 2001 | list |
| (207174) 2005 CK67 | 15 February 2005 | list |
| (207175) 2005 CL67 | 15 February 2005 | list |
| (211211) 2002 PR11 | 5 August 2002 | list |
| 215868 Rohrer | 12 March 2005 | list |
| (219164) 1999 TA14 | 11 October 1999 | list |
| (219202) 1999 VZ10 | 7 November 1999 | list |
| (227545) 2005 YZ128 | 25 December 2005 | list |
| (236194) 2005 WD57 | 20 November 2005 | list |
| (245494) 2005 QX56 | 29 August 2005 | list |
| (257692) 1999 WT8 | 28 November 1999 | list |
| (260483) 2005 CO38 | 9 February 2005 | list |
| (261581) 2005 XD8 | 6 December 2005 | list |
| (261582) 2005 XE8 | 6 December 2005 | list |
| (262776) 2006 YA12 | 22 December 2006 | list |
| (262777) 2006 YR12 | 23 December 2006 | list |
| (262778) 2006 YZ12 | 25 December 2006 | list |
| (268227) 2005 ED30 | 4 March 2005 | list |
| (285405) 1999 UZ3 | 26 October 1999 | list |
| (290870) 2005 WE57 | 20 November 2005 | list |
| (290873) 2005 WA58 | 30 November 2005 | list |
| (293155) 2006 YX12 | 24 December 2006 | list |
| (293156) 2006 YK14 | 25 December 2006 | list |
| (301934) 2000 AE48 | 3 January 2000 | list |
| (303472) 2005 CM67 | 15 February 2005 | list |
| (308182) 2005 CN38 | 8 February 2005 | list |
| (311523) 2005 XZ77 | 9 December 2005 | list |
| (312154) 2007 UU6 | 22 October 2007 | list |
| (313020) 1999 XZ37 | 6 December 1999 | list |
| (330065) 2005 VQ5 | 10 November 2005 | list |
| (330393) 2006 YJ14 | 24 December 2006 | list |
| 332326 Aresi | 27 December 2006 | list |
| (356274) 2009 YC7 | 16 December 2009 | list |
| (363033) 1999 QN2 | 30 August 1999 | list |
| (370857) 2005 EK2 | 1 March 2005 | list |
| (383475) 2007 AU8 | 11 January 2007 | list |
| (384458) 2010 BM2 | 18 January 2010 | list |
| (387934) 2005 CV37 | 6 February 2005 | list |
| (400337) 2007 UZ65 | 31 October 2007 | list |
| (405518) 2005 CJ67 | 15 February 2005 | list |
| (413993) 2007 EC125 | 13 March 2007 | list |
| (429240) 2010 AL76 | 14 January 2010 | list |
| (438098) 2005 CS56 | 9 February 2005 | list |
| (475201) 2005 VR5 | 10 November 2005 | list |
| (481322) 2006 BT | 19 January 2006 | list |
| (483891) 2006 AB4 | 6 January 2006 | list |
| (498269) 2007 VW4 | 3 November 2007 | list |