List of double (and multiple) Minor Planets

Name
Discoverer
Reference
IAUC
Size, km
Distance
(134340) Pluto + Charon J. Christy 1978   2274, 1172 19640 km
(243) Ida + Dactyl Galileo 1993 Aug. 28   58x23, 1.6x1.2 90 km
(3671) Dionysus ESO, Ondrejov 1997 June 10 6680 1  
(45) Eugenia + Petit Prince CFHT 1999 Mar. 20 7129 215, 13 1190 km
2000 DP107 Arecibo 2000 Oct. 3 7503 0.8, 0.3 2.6 km
(90) Antiope Keck II, CFHT 2000 Oct. 3 7503 80, 80 170 km
(762) Pulcova CFHT 2000 Oct. 24   137, 14 800 km
(87) Sylvia Keck II 2001 Feb. 23 7588 260, 13 *** 1200 km
(107) Camilla Hubble 2001 Mar. 19 7599 220, 10 1000 km
1998 WW31 CFHT 2001 Apr. 16 7610 150, 100 40000 km
(66391) 1999 KW4 Goldstone 2001 May 23 7632 1.2, 0.4 2 km
(22) Kalliope Keck II, CFHT 2001 Sep. 3 7703 180, 40 1000 km
1998 ST27 Arecibo 2001 Oct. 9 7730 0.6, 0.2 4 km
(88611) 2001 QT297 MagIC 2001 Oct. 15 7733 263 ** 0.6"
(617) Patroclus Gemini North 2001 Oct. 29 7741 105, 95 600 km
2001 QW322 CFHT 2001 Nov. 9 7749 100, 100 4"
(47171) 1999 TC36 Hubble 2002 Jan. 10 7787 347 ** 8000 km
(26308) 1998 SM165 Hubble 2002 Jan. 24 7807 229 ** 6000 km
(58534) 1997 CQ29 Hubble 2002 Feb. 11 7824 158 ** 5200 km
2002 BM26 Arecibo 2002 Feb. 11 7824 0.6, 0.1  
(3749) Balam Gemini North 2002 Feb. 13 7827 7, 1.5 360 km
2000 CF105 Hubble 2002 Mar. 22 7857 138 ** 23000 km
2002 KK8 Arecibo 2002 June 17 7921 0.5, 0.1  
(121) Hermione Keck II 2002 Sep. 30 7980 209, 13 630 km
2001 QC298 Hubble 2002 Dec. 17 8034 209 ** 5000 km
(1509) Esclangona VLT Yepun 2003 Feb. 18 8075 12, 4 140 km
(66652) 1999 RZ253 Hubble 2003 June 6 8143 219 ** 6300 km
(5381) Sekhmet Arecibo 2003 July 6 8163 1.0, 0.3 1.5 km
(283) Emma Keck II, VLT 2003 July 27 8165 148, 12 370 km
(379) Huenna Keck II 2003 Aug. 15 8182 92, 7 1200 km
(130) Elektra Keck II 2003 Aug. 17 8183 182, 4 1200 km
2003 SS84 Arecibo 2003 Oct. 10 8220 0.12, 0.06  
(69230) Hermes Arecibo 2003 Oct. 20 8227 0.3-0.45 0.6 km
(22899) 1999 TO14 Hubble 2003 Oct. 26 8232 4.5, 1.5 170 km
1990 OS Arecibo 2003 Nov. 10 8237 0.3, 0.045 0.6 km
(65803) 1996 GT Ondrejov 2003 Nov. 28 8244 0.8, 0.15  
2003 UN284 Kitt Peak Mayal 2003 Dec. 5 8251 115 ** 2"
2000 CQ114 Hubble 2004 Feb. 16 8289 173 ** 6000 km
(17246) 2000 GL74 Hubble 2004 Feb. 24 8293 4.5, 2 230 km
(4674) Pauling VLT Yepun 2004 Mar. 5 8297 8, 2.5 250 km
(85938) 1999 DJ4 Arecibo 2004 Apr. 23 8329 0.4, 0.2 0.7 km
1999 HF1 Ondrejov 2005 Feb. 6 8478 6, 1.5  
2005 AB Ondrejov 2005 Feb. 11 8483 1, 0.2  
2005 EO304 Clay+MagIC 2005 May 10 8526 165 ** 2.67"
1994 XD Arecibo 2005 July 11 8563 0.6, 0.15 0.6 km
(136108) 2003 EL61 Keck+LGS 2005 July 29 8577 1500, 350? 49500 km
(136199) 2003 UB313 Keck+LGS 2005 Oct. 2 8610 2800, 350? 37000 km
(80806) 2000 CM105 HST+NICMOS 2005 Oct. 5   182 ** 0.09"
1999 OJ4 HST+NICMOS 2005 Oct. 5   133 ** 0.08"
(134860) 2000 OJ67 HST+NICMOS 2005 Oct. 5   231 ** 0.08"
(79360) 1997 CS29 HST+NICMOS 2005 Oct. 5   316 ** 0.07"
(82075) 2000 YW134 HST+NICMOS 2005 Oct. 5   331 ** 0.06"
(48639) 1995 TL8 HST+NICMOS 2005 Oct. 5   275 ** 0.01"
(134340) Pluto + Nix
(134340) Pluto + Hydra
Hubble 2005 Oct. 31 8625 2274, 68 **
2274, 84 **
48700 km
64800 km
(1862) Apollo Arecibo 2005 Nov. 4 8627 1.6, 0.08 3 km
(624) Hektor Keck+LGS 2006 July 21 8732 350x210, 15  
2003 QW111 Hubble 2006 Sep. 7 8745 204 ** 0.33"
2000 QL251 Hubble 2006 Sep. 12 8746 187 ** 0.26"
(120347) 2004 SB60 Hubble 2006 Sep. 19 8751 437 ** 0.11"
1999 RT214 Hubble 2006 Sep. 29 8756 92 ** 0.115"

Probable binary asteroids

Name
Discoverer
Reference
IAUC
Size, km
Distance
(6) Hebe * P. Maley 1977 Mar. 5   200, 20 900 km
(532) Herculina * Lowell 1978 June 7 3241 217, 50 975 km
(18) Melpomene * USA 1978 Dec. 11 3315 135, 65 1100 km
(65) Cybele * USSR 1979 Oct. 17 3439 245, 11 900 km
(9) Metis China 1979-1980   184  
(146) Lucina * Meudon 1982 Apr. 30 3692 132  
(4769) Castalia Arecibo 1989 Aug. 22   0.75, 0.75  
(893) Leopoldina * EAON 1996 Jan. 29   75x64, 54x24 170 km
(35107) 1991 VH Ondrejov 1997 Mar. 29 6607    
1994 AW1          
1996 FG3 Ondrejov 1998 Dec. 26 7074    
(88710) 2001 SL9 Ondrejov 2001 Nov. 3 7742    
(361) Bononia * R. Venable 2002 Jan. 31      
(3782) Celle VATT 2003 May 3 8128 9, 4  
(66063) 1998 RO1 Ondrejov 2003 Oct. 7 8216   600 m
2003 QY90 Clay+MagIC 2003 Oct. 29 8235 263 ** 0.34"
(1089) Tama Int-nal team 2004 Jan. 10 8265 10, 7 20 km
(1313) Berna R. Roy et al. 2004 Feb. 12 8292 10, 10  
(4492) Debussy R. Behrend et al. 2004 June 15 8354    
(854) Frostia R. Behrend et al. 2004 July 17 8389    
(5905) Johnson Int-nal team 2005 Apr. 13 8511 8, 3  
(76818) 2000 RG79 Int-nal team 2005 Sep. 1 8592 7, 2.5  
(1139) Atami Int-nal team 2005 Sep. 2   7, 7  
(809) Lundia Borowiec 2005 Oct. 1   6, 6  
(3982) Kastel Int-nal team 2005 Oct. 1 8609 8  
(2006) Polonskaya Int-nal team 2005 Nov. 16 8630 10, 3  

Links


Prepared by Denis Denissenko (denis@hea.iki.rssi.ru). Comments, additions, corrections are welcome.

Page created: Sep. 16th, 2001 17:00+0400
Last updated: Oct. 2nd, 2006 13:00+0400

Astronomy Page | Main Page