IAU Central Bureau for Astronomical Telegrams

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Satellites and Companions of Minor Planets

This page is a list maintained internally by the CBAT of the satellites and companions of minor planets that have been announced on CBAT publications. The "discovery/confirmation reference" below is that where either the discovery was announced or a confirmation of binary nature was established (in the latter case, a reference to the original discovery Circular is cited in the reference given below).

Key to notes: I = optically resolved via imaging (I* = via infrared imaging); R = radar detection; O = occultation detection; P = photometric lightcurve detection; S = termed a satellite; B = termed a binary companion; ? = discoverers indicate that confirmation is needed; T = triple-component system

This list gives the objects in designation order (provisional designations first, permanent numberings second):


 

                     Discovery/
                      Confirm.
Primary              Reference   Notes     Designation (if any)   [naming ref.]
1994 XD              IAUC 8563   R, B
1998 ST27            IAUC 7730   R, B
1998 WW31            IAUC 7610   I, B      S/2000 (1998 WW31) 1
1999 XY143           IAUC 9075   I, B
1999 RT214           IAUC 8756   I, B
1999 RY214           IAUC 9075   I, B
2000 CO101           CBET 1957   R, B
2000 CF105           IAUC 7857   I, B
2000 CQ114           IAUC 8289   I, B
2000 DP107           IAUC 7503   R, B
2000 QL251           IAUC 8746   I, B
2000 UG11            IAUC 7518   R, B
2000 WT169           IAUC 9076   I, B
2001 QC298           IAUC 8034   I*, B
2001 QQ322           IAUC 8925   I, B
2002 BM26            IAUC 7824   R, B
2002 CE26            IAUC 8397   R, B
2002 GZ31            IAUC 8815   I, B
2002 KK8             IAUC 7921   R, B
2002 VF130           IAUC 9040   I, B
2002 VT130           IAUC 9075   I, B
2002 XH91            IAUC 9046   I, B
2003 AZ84            IAUC 8812   I, S
2003 QY90            IAUC 8235   I, B?
2003 QW111           IAUC 8745   I, B
2003 SS84            IAUC 8220   R, B
2003 UN284           IAUC 8251   I, B
2003 YU179           IAUC 9076   I, B
2004 DC              CBET  535   R, B
2004 PB108           IAUC 8816   I, B
2005 AB              IAUC 8483   P, B
2005 EO304           IAUC 8526   I, B
2005 PR21            IAUC 8925   I, B
2006 GY2             CBET  534   R, B
2006 VV2             IAUC 8826   R, B
2007 DT103           IAUC 8866   R, B 
2008 BT18            CBET 1450   R, B

(22) Kalliope        IAUC 7703   I*, S     S/2001 (22) 1 = (22) Kalliope I (Linus)  [I8177]
(41) Daphne          IAUC 8930   I*, S     S/2008 (41) 1
(45) Eugenia         IAUC 7129   I*, S     S/1998 (45) 1 = (45) Eugenia I (Petit Prince)  [I7503]
(45) Eugenia         IAUC 8817   I*, S     S/2004 (45) 1                  
(87) Sylvia          IAUC 7588   I*, S     S/2001 (87) 1 = (87) Sylvia I (Romulus)  [I8582]
(87) Sylvia          IAUC 8582   S         S/2004 (87) 1 = (87) Sylvia II (Remus)  [I8582]
(90) Antiope         IAUC 7503   I*, B
(93) Minerva         IAUC 9069   I*, T     S/2009 (93) 1, S/2009 (93) 2
(107) Camilla        IAUC 7599   I, S      S/2001 (107) 1
(121) Hermione       IAUC 7980   I*, S     S/2002 (121) 1
(121) Hermione       IAUC 8264   I, B?
(130) Elektra        IAUC 8183   I*, S     S/2003 (130) 1
(216) Kleopatra      IAUC 7308   I*, B?
(216) Kleopatra      IAUC 8980   I*, S     S/2008 (216) 1, S/2008 (216) 2
(243) Ida            IAUC 5948   I, S      S/1993 (243) 1 = (243) Ida I (Dactyl)  [I6082]
(283) Emma           IAUC 8165   I*, S     S/2003 (283) 1
(317) Roxane         IAUC 9099   I*, S     S/2009 (317) 1
(379) Huenna         IAUC 8182   I*, S     S/2003 (379) 1
(532) Herculina      IAUC 3241   O, S      S/1978 (532) 1
(617) Patroclus      IAUC 7741   I*, B     S/2001 (617) 1 = (617) Patroclus I (Menoetius)  [I8666]
(624) Hektor         IAUC 8732   I*, S     S/2006 (624) 1
(702) Alauda         CBET 1016   I*, S     S/2007 (702) 1
(809) Lundia         CBET  239   P, B 
(854) Frostia        IAUC 8389   P, B?
(1089) Tama          IAUC 8265   P, B?
(1139) Atami         CBET  430   P, R, B
(1313) Berna         IAUC 8292   P, B?
(1338) Duponta       CBET  910   P, B
(1453) Fennia        CBET 1150   P, B
(1509) Esclangona    IAUC 8075   I*, S     S/2003 (1509) 1
(1717) Arlon         CBET  504   P, B
(1830) Pogson        CBET  957   P, B
(1862) Apollo        IAUC 8627   R, S
(2006) Polonskaya    IAUC 8630   P      
(2044) Wirt          CBET  353   P, B
(2131) Mayall        CBET 2105   P, B
(2121) Sevastopol    CBET 2427   P, B
(2478) Tokai         CBET  824   P, B
(2486) Metsahovi     CBET  860   P, ?
(2577) Litva         CBET 1715   P, B
(2754) Efimov        CBET  617   P, B
(3073) Kursk         CBET  792   P, B
(3169) Ostro         CBET  320   P, B
(3309) Brorfelde     CBET  279   P, B
(3671) Dionysus      IAUC 6680   P, B?     S/1997 (3671) 1
(3673) Levy          CBET 1165   P, B
(3749) Balam         IAUC 7827   I*, B     S/2002 (3749) 1
(3749) Balam         CBET 1297   P, B      third component to system
(3782) Celle         IAUC 8128   P, B?
(3982) Kastel        IAUC 8609   P, ?
(4029) Bridges       CBET  507   P, B
(4492) Debussy       IAUC 8354   P, B?
(4607) Seilandfarm   CBET 1716   P, B
(4674) Pauling       IAUC 8297   I*, B     S/2004 (4674) 1
(4786) Tatianina     CBET  472   P, B
(4951) Iwamoto       IAUC 8836   P, B
(5381) Sekhmet       IAUC 8163   R, B
(5477) 1989 UH2      CBET  288   P, B
(5899) Jedicke       CBET 2188   P, B
(5905) Johnson       IAUC 8511   P, B
(6084) Bascom        CBET  389   P, B
(6244) Okamoto       CBET  681   P, B
(6265) 1985 TW3      CBET 1015   P, B
(6708) Bobbievaile   CBET 1794   P, B
(7088) Ishtar        CBET  384   P, B
(7225) Huntress      CBET 1233   P, B
(8026) 1991 JA1      CBET 2402   P, B
(8116) Jeanperrin    CBET 1127   P, B
(8373) Stephengould  CBET 2193   P, B
(9260) Edwardolson   CBET  270   P, B
(9617) Grahamchapman CBET  414   P, B
(10208) 1997 QN1     CBET 1087   P, B
(16635) 1993 QO      CBET 1143   P, B
(17246) 2000 GL74    IAUC 8293   I, S      S/2004 (17246) 1
(17260) 2000 JQ58    CBET  431   P, B
(22899) 1999 TO14    IAUC 8232   I, S      S/2003 (22899) 1
(26308) 1998 SM165   IAUC 7807   I, B
(32008) 2000 HM53    CBET 1078   P, B
(32039) 2000 JO23    CBET 1147   P, B
(34706) 2001 OP83    CBET  341   P, B
(35107) 1991 VH      IAUC 6607   P, B?     
(42355) Typhon       IAUC 8689   I, B      (42355) Typhon I (Echidna)  [I8778]
(47171) 1999 TC36    IAUC 7807   I*, B
(50000) Quaoar       IAUC 8812   I, S      Quaoar I named "Weywot" (cf. IAUC 9094)
(55637) 2002 UX25    IAUC 8812   I, S
(58534) Logos        IAUC 7959   I, B      S/2002 (1997 CQ29) 1 = (58534) Logos I (Zoe)  [I8778]
(60458) 2000 CM114   IAUC 8689   I, B
(60621) 2000 FE8     IAUC 8816   I, B
(65489) Ceto         IAUC 8778   I, B      (65489) Ceto I (Phorcys)  [I8778]
(65803) 1996 GT      IAUC 8244   P, R, B
(66063) 1998 RO1     IAUC 8216   P, R, B
(66391) 1999 KW4     IAUC 7632   R, B 
(66652) 1999 RZ253   IAUC 8143   I, B
(69230) Hermes       IAUC 8233   R, P, B?     [1937 UB]
(76818) 2000 RG79    IAUC 8592   P, B
(85938) 1999 DJ4     IAUC 8329   R, B
(88611) 2001 QT297   IAUC 7765   I, B      (88611) Teharonhiawako I (Sawiskera)  [I8840]
(90482) Orcus        IAUC 8812   I, S
(114319) 2002 XD58   CBET  328   P, ?
(119979) 2002 WC19   IAUC 8814   I, B
(120347) 2004 SB60   IAUC 8751   I, B           
(123509) 2000 WK183  IAUC 8811   I, B
(134340) Pluto       IAUC 3241   I, S      S/1978 P 1 = (134340) Pluto I (Charon)  [I4157]
(134340) Pluto       IAUC 8625   I, S      S/2005 P 1 = (134340) Pluto II (Hydra)  [I8723]
(134340) Pluto       IAUC 8625   I, S      S/2005 P 2 = (134340) Pluto III (Nix)  [I8723]
(136108) Haumea      IAUC 8577   I, S      S/2005 (2003 EL_61) 1 = (136108) Haumea I (Hi'iaka)  [I8976]
(136108) Haumea      IAUC 8636   I*, S     S/2005 (2003 EL_61) 2 = (136108) Haumea II (Namaka)  [I8976]
(136199) Eris        IAUC 8610   I, S      S/2005 (2003 UB_313) 1 = (136199) Eris I (Dysnomia)  [I8747]
(137170) 1999 HF1    IAUC 8478   P, B
(153591) 2001 SN263  IAUC 8921   R, T
(160256) 2002 PD149  IAUC 8866   I, B
(162000) 1990 OS     IAUC 8237   R, B
(164121) 2003 YT1    IAUC 8336   R, P, B
(175706) 1996 FG3    IAUC 7074   P, B?

174P/Echeclus        CBET  563   I, ?

[last updated 2010 Sept. 10]



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