# Stefano Sposetti

Stefano Sposetti (born 22 December 1958) is a Swiss amateur astronomer and a prolific discoverer of minor planets. 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. In addition, he detects the optical counterparts of gamma-ray bursts and conducts transit photometry on exoplanets at his observatory.
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. Asteroid 22354 Sposetti has been named after him.
Minor planets discovered: 164 :
* see § List of discovered minor planets

## 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 TV$_{15}$ | 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 VY$_{10}$ | 7 November 1999 | list |
| (26321) 1998 VT$_5$ | 11 November 1998 | list |
| (27249) 1999 WO$_8$ | 28 November 1999 | list |
| 29753 Silvo | 10 February 1999 | list |
| 31555 Wheeler | 7 March 1999 | list |
| 33433 Maurilia | 14 March 1999 | list |
| (33445) 1999 FB$_{21}$ | 23 March 1999 | list |
| (34125) 2000 QZ | 23 August 2000 | list |
| (34126) 2000 QA$_1$ | 23 August 2000 | list |
| (36447) 2000 QB$_1$ | 23 August 2000 | list |
| (38679) 2000 QX | 22 August 2000 | list |
| (41204) 1999 WX$_8$ | 28 November 1999 | list |
| (41205) 1999 WZ$_8$ | 28 November 1999 | list |
| (41301) 1999 XP$_{127}$ | 6 December 1999 | list |
| 41979 Lelumacri | 22 December 2000 | list |
| (43027) 1999 VA$_{23}$ | 12 November 1999 | list |
| (43028) 1999 VE$_{23}$ | 12 November 1999 | list |
| 43087 Castegna | 28 November 1999 | list |
| 45027 Cosquer | 28 November 1999 | list |
| (45074) 1999 XA$_{38}$ | 6 December 1999 | list |
| (45075) 1999 XB$_{38}$ | 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 WG$_{183}$ | 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 RK$_{77}$ | 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 QR$_1$ | 23 August 2000 | list |
| (92616) 2000 QU$_1$ | 24 August 2000 | list |
| (93949) 2000 WZ$_{178}$ | 30 November 2000 | list |
| 96876 Andreamanna | 7 October 1999 | list |
| 97069 Stek | 12 November 1999 | list |
| 97186 Tore | 28 November 1999 | list |
| (98873) 2001 BO$_{11}$ | 20 January 2001 | list |
| (102223) 1999 TE$_{12}$ | 10 October 1999 | list |
| 102224 Raffaellolena | 10 October 1999 | list |
| 102617 Allium | 12 November 1999 | list |
| 102619 Crespino | 12 November 1999 | list |
| (103289) 2000 AF$_{42}$ | 2 January 2000 | list |
| (105251) 2000 QP$_6$ | 24 August 2000 | list |
| (107676) 2001 FD$_{10}$ | 17 March 2001 | list |
| (121517) 1999 UO$_{11}$ | 31 October 1999 | list |
| (121541) 1999 UZ$_{51}$ | 31 October 1999 | list |
| (123499) 2000 WY$_{178}$ | 30 November 2000 | list |
| (123612) 2000 YL$_{16}$ | 22 December 2000 | list |
| (123955) 2001 FC$_{10}$ | 17 March 2001 | list |
| (134793) 2000 EH$_{15}$ | 5 March 2000 | list |
| (137498) 1999 VP$_8$ | 7 November 1999 | list |
| (137636) 1999 WS$_8$ | 28 November 1999 | list |
| (138543) 2000 QR$_6$ | 25 August 2000 | list |
| (145988) 2000 BC$_4$ | 26 January 2000 | list |
| (148448) 2000 YB$_1$ | 17 December 2000 | list |
| (156474) 2002 CN$_{46}$ | 11 February 2002 | list |
| (164358) 2005 DB | 16 February 2005 | list |
| (164360) 2005 EL$_2$ | 1 March 2005 | list |
| (164915) 1999 XC$_{38}$ | 6 December 1999 | list |
| (167853) 2005 DN | 26 February 2005 | list |
| (168473) 1999 QU$_1$ | 20 August 1999 | list |
| (170974) 2005 CN$_{25}$ | 4 February 2005 | list |
| (171552) 1999 TD$_{12}$ | 10 October 1999 | list |
| (171579) 1999 VD$_{23}$ | 12 November 1999 | list |
| (172836) 2005 CX$_{37}$ | 7 February 2005 | list |
| (178116) 2006 TK$_7$ | 10 October 2006 | list |
| (185748) 1999 NX$_4$ | 15 July 1999 | list |
| (187461) 2005 XM$_{65}$ | 7 December 2005 | list |
| (189521) 2000 OB$_7$ | 30 July 2000 | list |
| (190167) 2005 UW$_{158}$ | 26 October 2005 | list |
| (191093) 2002 EF | 3 March 2002 | list |
| (196800) 2003 SX$_{200}$ | 25 September 2003 | list |
| 199194 Calcatreppola | 3 January 2006 | list |
| (200511) 2001 BN$_{11}$ | 16 January 2001 | list |
| (207174) 2005 CK$_{67}$ | 15 February 2005 | list |
| (207175) 2005 CL$_{67}$ | 15 February 2005 | list |
| (211211) 2002 PR$_{11}$ | 5 August 2002 | list |
| 215868 Rohrer | 12 March 2005 | list |
| (219164) 1999 TA$_{14}$ | 11 October 1999 | list |
| (219202) 1999 VZ$_{10}$ | 7 November 1999 | list |
| (227545) 2005 YZ$_{128}$ | 25 December 2005 | list |
| (236194) 2005 WD$_{57}$ | 20 November 2005 | list |
| (245494) 2005 QX$_{56}$ | 29 August 2005 | list |
| (257692) 1999 WT$_8$ | 28 November 1999 | list |
| (260483) 2005 CO$_{38}$ | 9 February 2005 | list |
| (261581) 2005 XD$_8$ | 6 December 2005 | list |
| (261582) 2005 XE$_8$ | 6 December 2005 | list |
| (262776) 2006 YA$_{12}$ | 22 December 2006 | list |
| (262777) 2006 YR$_{12}$ | 23 December 2006 | list |
| (262778) 2006 YZ$_{12}$ | 25 December 2006 | list |
| (268227) 2005 ED$_{30}$ | 4 March 2005 | list |
| (285405) 1999 UZ$_3$ | 26 October 1999 | list |
| (290870) 2005 WE$_{57}$ | 20 November 2005 | list |
| (290873) 2005 WA$_{58}$ | 30 November 2005 | list |
| (293155) 2006 YX$_{12}$ | 24 December 2006 | list |
| (293156) 2006 YK$_{14}$ | 25 December 2006 | list |
| (301934) 2000 AE$_{48}$ | 3 January 2000 | list |
| (303472) 2005 CM$_{67}$ | 15 February 2005 | list |
| (308182) 2005 CN$_{38}$ | 8 February 2005 | list |
| (311523) 2005 XZ$_{77}$ | 9 December 2005 | list |
| (312154) 2007 UU$_6$ | 22 October 2007 | list |
| (313020) 1999 XZ$_{37}$ | 6 December 1999 | list |
| (330065) 2005 VQ$_5$ | 10 November 2005 | list |
| (330393) 2006 YJ$_{14}$ | 24 December 2006 | list |
| 332326 Aresi | 27 December 2006 | list |
| (356274) 2009 YC$_7$ | 16 December 2009 | list |
| (363033) 1999 QN$_2$ | 30 August 1999 | list |
| (370857) 2005 EK$_2$ | 1 March 2005 | list |
| (383475) 2007 AU$_8$ | 11 January 2007 | list |
| (384458) 2010 BM$_2$ | 18 January 2010 | list |
| (387934) 2005 CV$_{37}$ | 6 February 2005 | list |
| (400337) 2007 UZ$_{65}$ | 31 October 2007 | list |
| (405518) 2005 CJ$_{67}$ | 15 February 2005 | list |
| (413993) 2007 EC$_{125}$ | 13 March 2007 | list |
| (429240) 2010 AL$_{76}$ | 14 January 2010 | list |
| (438098) 2005 CS$_{56}$ | 9 February 2005 | list |
| (475201) 2005 VR$_5$ | 10 November 2005 | list |
| (481322) 2006 BT | 19 January 2006 | list |
| (483891) 2006 AB$_4$ | 6 January 2006 | list |
| (498269) 2007 VW$_4$ | 3 November 2007 | list |