MPEC 2012-X40 : 2012 XD55
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M.P.E.C. 2012-X40 Issued 2012 Dec. 10, 20:23 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. They are published
on behalf of Commission 20 of the International Astronomical Union by the
Minor Planet Center, Smithsonian Astrophysical Observatory,
Cambridge, MA 02138, U.S.A.
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2012 XD55
Observations:
K12X55D* C2012 12 06.38240 08 41 01.71 +16 39 47.2 18.4 VrEX040703
K12X55D C2012 12 06.38851 08 40 59.41 +16 39 10.6 18.5 VrEX040703
K12X55D C2012 12 06.39466 08 40 57.10 +16 38 32.9 18.6 VrEX040703
K12X55D C2012 12 06.40079 08 40 54.80 +16 37 56.6 18.7 VrEX040703
K12X55D C2012 12 06.42808 08 40 44.50 +16 35 12.3 19.0 VrEX040703
K12X55D C2012 12 06.43174 08 40 43.21 +16 34 49.7 18.6 VrEX040703
K12X55D C2012 12 06.43535 08 40 41.80 +16 34 28.0 19.0 VrEX040703
K12X55D C2012 12 06.43902 08 40 40.44 +16 34 07.1 18.8 VrEX040703
K12X55D KC2012 12 06.47113 08 40 28.40 +16 30 52.8 18.5 RoEX040291
K12X55D KC2012 12 06.47185 08 40 28.13 +16 30 48.4 18.2 RoEX040291
K12X55D KC2012 12 06.47258 08 40 27.85 +16 30 44.0 18.4 RoEX040291
K12X55D C2012 12 06.47362 08 40 27.44 +16 30 37.1 18.3 VrEX040703
K12X55D C2012 12 06.47659 08 40 26.29 +16 30 19.6 18.3 VrEX040703
K12X55D C2012 12 06.47954 08 40 25.24 +16 30 01.6 17.9 VrEX040703
K12X55D C2012 12 06.48246 08 40 24.16 +16 29 44.6 18.6 VrEX040703
K12X55D KC2012 12 07.31454308 35 30.57 +15 08 04.4 17.8 RtEX040W85
K12X55D |C2012 12 07.31617 08 35 29.97 +15 07 55.1 18.3 VuEX040807
K12X55D KC2012 12 07.31841508 35 29.16 +15 07 41.8 17.8 RtEX040W85
K12X55D |C2012 12 07.31848 08 35 29.14 +15 07 41.6 18.3 VuEX040807
K12X55D |C2012 12 07.32079 08 35 28.30 +15 07 28.0 18.3 VuEX040807
K12X55D KC2012 12 07.32229208 35 27.76 +15 07 19.2 17.8 RtEX040W85
K12X55D C2012 12 07.36241 08 35 14.78 +15 02 42.2 18.2 VrEX040G96
K12X55D C2012 12 07.36829 08 35 12.69 +15 02 08.0 18.3 VrEX040G96
K12X55D C2012 12 07.37362 08 35 10.75 +15 01 37.0 18.3 VrEX040G96
K12X55D C2012 12 07.37887 08 35 08.88 +15 01 06.6 18.3 VrEX040G96
K12X55D KC2012 12 08.04378 08 31 21.20 +13 57 08.5 17.5 VvEX040I93
K12X55D KC2012 12 08.04979 08 31 19.08 +13 56 34.3 17.9 VvEX040I93
K12X55D KC2012 12 08.05677 08 31 16.64 +13 55 54.7 17.6 VvEX040I93
K12X55D |C2012 12 08.28719 08 29 58.83 +13 35 00.4 18.3 VuEX040807
K12X55D |C2012 12 08.28903 08 29 58.19 +13 34 50.0 18.3 VuEX040807
K12X55D |C2012 12 08.29064 08 29 57.63 +13 34 41.1 18.3 VuEX040807
K12X55D |C2012 12 08.29248 08 29 56.99 +13 34 30.7 18.3 VuEX040807
K12X55D |C2012 12 08.29408 08 29 56.43 +13 34 21.8 18.3 VuEX040807
K12X55D C2012 12 08.38098 08 29 27.50 +13 25 32.7 18.0 cEX040704
K12X55D C2012 12 08.39250 08 29 23.69 +13 24 28.5 17.9 RcEX040854
K12X55D C2012 12 08.39409 08 29 22.99 +13 24 20.1 18.3 cEX040704
K12X55D C2012 12 08.39423 08 29 23.10 +13 24 19.0 18.0 RcEX040854
K12X55D C2012 12 08.39597 08 29 22.52 +13 24 09.0 17.9 RcEX040854
K12X55D C2012 12 08.40727 08 29 18.38 +13 23 06.0 18.4 cEX040704
K12X55D C2012 12 08.42042 08 29 13.80 +13 21 52.1 18.4 cEX040704
K12X55D C2012 12 08.43358 08 29 09.21 +13 20 38.1 18.5 cEX040704
K12X55D C2012 12 08.79227 08 27 10.11 +12 47 23.4 18.4 VuEX040900
K12X55D C2012 12 08.79513 08 27 09.20 +12 47 07.8 18.5 VuEX040900
K12X55D C2012 12 08.80692 08 27 05.10 +12 46 02.3 18.4 VuEX040900
K12X55D C2012 12 08.81049 08 27 03.92 +12 45 42.9 18.5 VuEX040900
K12X55D KC2012 12 09.03772 08 25 51.20 +12 24 50.4 18.0 RcEX040A24
K12X55D KC2012 12 09.04141 08 25 49.96 +12 24 30.2 17.9 RcEX040A24
K12X55D KC2012 12 09.04511 08 25 48.71 +12 24 10.2 18.0 RcEX040A24
K12X55D KC2012 12 09.04880 08 25 47.49 +12 23 50.0 17.9 RcEX040A24
K12X55D KC2012 12 09.13144 08 25 19.67 +12 16 20.3 tEX040204
K12X55D KC2012 12 09.13527 08 25 18.38 +12 15 59.5 tEX040204
K12X55D KC2012 12 09.13917 08 25 17.08 +12 15 38.3 17.9 RtEX040204
K12X55D KC2012 12 10.15305 08 19 54.97 +10 45 48.9 uEX040J95
K12X55D KC2012 12 10.15590 08 19 54.04 +10 45 34.2 uEX040J95
K12X55D KC2012 12 10.15886 08 19 53.09 +10 45 18.8 17.9 RuEX040J95
K12X55D |C2012 12 10.27505 08 19 17.93 +10 36 07.6 18.5 VuEX040807
K12X55D |C2012 12 10.27619 08 19 17.57 +10 36 01.6 18.5 VuEX040807
K12X55D |C2012 12 10.27734 08 19 17.19 +10 35 55.7 18.6 VuEX040807
K12X55D |C2012 12 10.27848 08 19 16.82 +10 35 49.8 18.6 VuEX040807
K12X55D |C2012 12 10.27962 08 19 16.45 +10 35 44.0 18.5 VuEX040807
K12X55D C2012 12 10.63705 08 17 25.91 +10 05 20.1 18.3 RoEX040474
K12X55D C2012 12 10.63810 08 17 25.56 +10 05 15.3 18.7 RoEX040474
K12X55D C2012 12 10.63914 08 17 25.28 +10 05 10.2 18.4 RoEX040474
K12X55D C2012 12 10.64125 08 17 24.57 +10 04 58.8 19.0 RoEX040474
Observer details:
204 Schiaparelli Observatory. Observer L. Buzzi. 0.38-m f/6.8 reflector
+ CCD.
291 LPL/Spacewatch II. Observer T. H. Bressi. 1.8-m f/2.7 reflector + CCD.
474 Mount John Observatory, Lake Tekapo. Observers A. C. Gilmore,
P. M. Kilmartin. Measurer P. M. Kilmartin. 1.0-m f/7.7 reflector + CCD.
703 Catalina Sky Survey. Observer J. A. Johnson. Measurers A. Boattini,
E. J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill, J. A. Johnson,
R. A. Kowalski, S. M. Larson, R. H. McNaught. 0.68-m Schmidt + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, G. Spitz,
R. Brungard, J. Paige, P. Festler, T. McVey, A. Valdivia, C. Gall. 1.0-m
f/2.15 reflector + CCD.
807 Cerro Tololo. Observers T. Linder, R. Holmes. 0.41-m f/11
Ritchey-Chretien + CCD.
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.36-m f/10.0
Schmidt-Cassegrain + CCD.
900 Moriyama. Observer Y. Ikari. 0.26-m f/7.0 reflector + CCD.
A24 New Millennium Observatory, Mozzate. Observer E. Cozzi. 0.36-m f/11
Schmidt-Cassegrain + CCD.
G96 Mt. Lemmon Survey. Observer A. D. Grauer. Measurers A. Boattini,
E. J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill, J. A. Johnson,
R. A. Kowalski, S. M. Larson, R. H. McNaught. 1.5-m reflector + CCD.
I93 St Pardon de Conques. Observer F. Losse. 0.40-m f/3.7 reflector + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
W85 Cerro Tololo-LCOGT A. Observers E. J. Christensen, S. M. Larson,
T. Lister. Measurer T. Lister. 1.0-m f/8 Ritchey-Chretien + CCD.
Orbital elements:
2012 XD55 Earth MOID = 0.0931 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 355.01765 (2000.0) P Q
n 0.23007054 Peri. 123.63574 +0.83256869 -0.39630362
a 2.6377201 Node 262.46013 +0.28224394 +0.90467584
e 0.6512734 Incl. 22.97816 +0.47662116 +0.15654091
P 4.28 H 19.8 G 0.15 U 7
Residuals in seconds of arc
121206 703 0.4+ 0.1+ 121207 G96 0.0 0.2- 121208 900 0.4+ 0.3-
121206 703 0.3+ 0.3+ 121207 G96 0.3- 0.3- 121209 A24 0.1+ 0.2-
121206 703 0.2+ 0.4- 121207 G96 0.0 0.2- 121209 A24 0.1+ 0.3-
121206 703 0.2+ 0.2+ 121208 I93 0.4+ 0.0 121209 A24 0.1+ 0.2-
121206 703 0.5- 0.2+ 121208 I93 0.1+ 0.2- 121209 A24 0.4+ 0.3-
121206 703 0.7+ 0.3- 121208 I93 0.0 0.3- 121209 204 0.0 0.3-
121206 703 0.1- 0.3- 121208 807 0.0 0.2- 121209 204 0.0 0.3-
121206 703 0.2+ 0.9+ 121208 807 0.0 0.3- 121209 204 0.1+ 0.3-
121206 291 0.1- 0.1- 121208 807 0.0 0.1- 121210 J95 0.0 0.1-
121206 291 0.1- 0.1- 121208 807 0.1+ 0.2- 121210 J95 0.2- 0.0
121206 291 0.2- 0.1- 121208 807 0.1+ 0.1- 121210 J95 0.2- 0.0
121206 703 0.1+ 0.4- 121208 704 0.3- 0.8+ 121210 807 0.0 0.2+
121206 703 0.5- 0.0 121208 854 0.0 0.3+ 121210 807 0.1+ 0.0
121206 703 0.4+ 0.2- 121208 704 0.4+ 1.6+ 121210 807 0.0 0.1+
121206 703 0.6+ 0.4+ 121208 854 0.2+ 0.4+ 121210 807 0.0 0.0
121207 W85 0.2- 0.2- 121208 854 0.5+ 0.2+ 121210 807 0.0 0.1+
121207 807 0.3- 0.0 121208 704 0.0 1.2+ 121210 474 0.4+ 0.2-
121207 W85 0.2- 0.2- 121208 704 0.2- 0.9+ 121210 474 0.1+ 0.3+
121207 807 0.2- 0.0 121208 704 0.4- 0.5+ 121210 474 0.9+ 0.5+
121207 807 0.2- 0.1- 121208 900 0.1- 0.5- 121210 474 0.3+ 0.2-
121207 W85 0.1- 0.2- 121208 900 0.9+ 0.3-
121207 G96 0.5- 0.2- 121208 900 0.1- 0.6-
Ephemeris:
2012 XD55 a,e,i = 2.64, 0.65, 23 q = 0.9198
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2012 11 10 13 06 41.7 +54 51 22 0.2258 0.9610 76.0 90.8 19.7
...
2012 11 25 10 08 29.6 +37 44 16 0.1888 1.0415 101.6 68.2 18.7
...
2012 12 03 09 02 49.4 +22 38 34 0.1989 1.0969 119.3 51.6 18.4
...
2012 12 09 08 26 02.9 +12 28 43 0.2213 1.1425 131.0 40.6 18.4
2012 12 10 08 20 43.3 +10 59 36 0.2262 1.1503 132.7 39.0 18.4
2012 12 11 08 15 35.7 +09 34 27 0.2313 1.1583 134.4 37.4 18.5
...
2012 12 17 07 48 35.3 +02 27 01 0.2678 1.2073 142.4 29.8 18.6
...
2012 12 25 07 20 57.3 -03 44 52 0.3291 1.2756 148.4 23.8 19.0
...
2013 01 09 06 48 23.1 -08 36 56 0.4742 1.4089 148.2 21.6 20.0
A. U. Tomatic (C) Copyright 2012 MPC M.P.E.C. 2012-X40
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