MPEC 2012-X72 : 2012 XD112
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M.P.E.C. 2012-X72 Issued 2012 Dec. 13, 00:04 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 XD112
Observations:
K12XB2D* C2012 12 10.40498 07 59 58.61 +15 42 40.7 19.2 VoEX072691
K12XB2D C2012 12 10.42265 08 00 02.44 +15 42 38.5 19.5 VoEX072691
K12XB2D C2012 12 10.44032 08 00 06.28 +15 42 36.0 19.5 VoEX072691
K12XB2D HC2012 12 10.47571 08 00 14.00 +15 42 30.0 18.7 RoEX072291
K12XB2D HC2012 12 10.47726 08 00 14.34 +15 42 29.7 18.5 RoEX072291
K12XB2D HC2012 12 10.47881 08 00 14.68 +15 42 29.4 18.7 RoEX072291
K12XB2D HC2012 12 10.52817 08 00 25.54 +15 42 20.4 18.7 RoEX072291
K12XB2D HC2012 12 10.52903 08 00 25.72 +15 42 20.3 18.7 RoEX072291
K12XB2D HC2012 12 10.52987 08 00 25.93 +15 42 20.3 18.7 RoEX072291
K12XB2D HC2012 12 10.53404 08 00 26.84 +15 42 19.4 18.8 RoEX072291
K12XB2D HC2012 12 10.53490 08 00 27.03 +15 42 19.3 18.6 RoEX072291
K12XB2D HC2012 12 10.53574 08 00 27.23 +15 42 19.1 18.9 RoEX072291
K12XB2D HC2012 12 10.53927 08 00 28.02 +15 42 18.5 18.8 RoEX072291
K12XB2D HC2012 12 10.54013 08 00 28.22 +15 42 18.5 18.9 RoEX072291
K12XB2D HC2012 12 10.54097 08 00 28.40 +15 42 19.3 19.0 RoEX072291
K12XB2D KC2012 12 11.03826 08 02 29.13 +15 40 55.5 18.9 RcEX072A24
K12XB2D KC2012 12 11.04256 08 02 30.09 +15 40 55.0 18.9 RcEX072A24
K12XB2D KC2012 12 11.04650 08 02 31.02 +15 40 53.9 19.2 RcEX072A24
K12XB2D KC2012 12 11.12472 08 02 49.02 +15 40 38.4 17.9 RuEX072C23
K12XB2D KC2012 12 11.12905 08 02 50.00 +15 40 37.7 18.0 RuEX072C23
K12XB2D KC2012 12 11.13338 08 02 51.06 +15 40 36.8 17.5 RuEX072C23
K12XB2D KC2012 12 11.34696 08 03 43.97 +15 40 12.8 18.8 RqEX072H36
K12XB2D KC2012 12 11.34952 08 03 44.56 +15 40 12.1 18.9 RqEX072H36
K12XB2D IC2012 12 11.35206 08 03 45.15 +15 40 11.5 18.9 RqEX072H36
K12XB2D KC2012 12 11.45583808 04 08.79 +15 39 53.6 19.3 VqEX072H21
K12XB2D KC2012 12 11.46079308 04 09.94 +15 39 52.5 19.1 VqEX072H21
K12XB2D KC2012 12 11.46583008 04 11.12 +15 39 51.7 19.1 VqEX072H21
K12XB2D KC2012 12 11.47085208 04 12.28 +15 39 50.6 19.0 VqEX072H21
K12XB2D KC2012 12 12.03684 08 06 36.67 +15 38 20.3 18.5 RuEX072958
K12XB2D KC2012 12 12.05278 08 06 40.49 +15 38 17.4 18.9 RuEX072958
K12XB2D KC2012 12 12.06873 08 06 44.42 +15 38 14.0 18.8 RuEX072958
K12XB2D |C2012 12 12.20804 08 07 20.95 +15 38 47.3 19.1 VuEX072807
K12XB2D |C2012 12 12.20918 08 07 21.23 +15 38 47.2 18.9 VuEX072807
K12XB2D |C2012 12 12.21031 08 07 21.49 +15 38 47.1 19.0 VuEX072807
K12XB2D |C2012 12 12.21145 08 07 21.76 +15 38 46.9 19.2 VuEX072807
K12XB2D |C2012 12 12.21258 08 07 22.04 +15 38 46.6 18.9 VuEX072807
K12XB2D C2012 12 12.21975 08 07 24.79 +15 37 52.5 18.3 RoEX072H01
K12XB2D C2012 12 12.22373 08 07 25.79 +15 37 52.1 18.3 RoEX072H01
K12XB2D C2012 12 12.23347 08 07 28.23 +15 37 51.1 18.5 RoEX072H01
K12XB2D C2012 12 12.24808 08 07 31.85 +15 37 49.5 18.2 RoEX072H01
K12XB2D HC2012 12 12.35458 08 07 58.16 +15 37 38.1 18.6 RoEX072291
K12XB2D HC2012 12 12.35590 08 07 58.49 +15 37 37.9 18.8 RoEX072291
K12XB2D HC2012 12 12.35723 08 07 58.80 +15 37 37.8 18.6 RoEX072291
K12XB2D C2012 12 12.72892 08 09 35.08 +15 36 36.0 19.9 RoEX072300
K12XB2D C2012 12 12.73124 08 09 35.67 +15 36 35.5 19.7 RoEX072300
K12XB2D C2012 12 12.74055 08 09 37.90 +15 36 34.6 19.6 RoEX072300
K12XB2D C2012 12 12.74287 08 09 38.49 +15 36 33.4 19.6 RoEX072300
Observer details:
291 LPL/Spacewatch II. Observer R. S. McMillan. 1.8-m f/2.7 reflector + CCD.
300 Bisei Spaceguard Center--BATTeRS. Observers K. Nishiyama, S. Okumura.
1.0-m f/3.0 reflector + CCD.
691 Steward Observatory, Kitt Peak. Observer R. S. McMillan. 0.9-m f/3
reflector + CCD.
807 Cerro Tololo. Observers T. Linder, R. Holmes. 0.41-m f/11
Ritchey-Chretien + CCD.
958 Observatoire de Dax. Observer P. Dupouy. 0.30-m f/6.3 Schmidt-Cassegrain
+ CCD.
A24 New Millennium Observatory, Mozzate. Observer E. Cozzi. 0.36-m f/11
Schmidt-Cassegrain + CCD.
C23 Olmen. Observer A. Diepvens. 0.20-m f/9 refractor + CCD.
H01 Magdalena Ridge Observatory, Socorro. Observer W. H. Ryan. 2.4-m f/8.9
reflector + CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers T. Vorobjov, L. Buzzi, S. Foglia. 0.61-m f/4.0 astrograph + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
Orbital elements:
2012 XD112 PHA, Earth MOID = 0.0149 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 265.11891 (2000.0) P Q
n 0.64697481 Peri. 76.66690 -0.99350785 -0.09387033
a 1.3239690 Node 97.91909 +0.06171001 -0.91927998
e 0.3660580 Incl. 3.72041 +0.09557208 -0.38224689
P 1.52 H 21.0 G 0.15 U 8
Residuals in seconds of arc
121210 691 0.0 0.5- 121211 A24 0.5- 0.5+ 121212 807 0.1+ 0.1+
121210 691 0.1- 0.1- 121211 A24 0.0 0.1- 121212 807 0.1- 0.1+
121210 691 0.1- 0.1+ 121211 C23 0.2- 0.1- 121212 807 0.2- 0.1+
121210 291 0.0 0.1- 121211 C23 0.4- 0.1- 121212 807 0.1- 0.1-
121210 291 0.0 0.1- 121211 C23 0.5+ 0.3- 121212 H01 0.1- 0.1+
121210 291 0.0 0.1- 121211 H36 0.2+ 0.1+ 121212 H01 0.1- 0.1+
121210 291 0.1- 0.2- 121211 H36 0.3+ 0.2- 121212 H01 0.0 0.0
121210 291 0.2- 0.1- 121211 H36 0.4+ 0.5- 121212 H01 0.2- 0.0
121210 291 0.1+ 0.1+ 121211 H21 0.2+ 0.1- 121212 291 0.1- 0.1+
121210 291 0.1- 0.0 121211 H21 0.0 0.3- 121212 291 0.0 0.0
121210 291 0.1- 0.0 121211 H21 0.0 0.1- 121212 291 0.2- 0.1+
121210 291 0.1+ 0.0 121211 H21 0.2- 0.2- 121212 300 0.4+ 0.2+
121210 291 0.1+ 0.1+ 121212 958 0.1- 0.3+ 121212 300 0.6+ 0.1+
121210 291 0.2+ 0.2+ 121212 958 0.4- 0.4- 121212 300 0.4- 0.7+
121210 291 0.1+ 1.2+ 121212 958 1.0+ 1.6- 121212 300 0.1- 0.1-
121211 A24 0.2- 0.4+ 121212 807 0.0 0.1+
Ephemeris:
2012 XD112 a,e,i = 1.32, 0.37, 4 q = 0.8393
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2012 11 13 06 49 40.3 +16 53 27 0.4295 1.3017 128.6 36.4 21.2
...
2012 11 28 07 22 11.1 +16 13 12 0.2956 1.2163 135.9 34.4 20.2
...
2012 12 06 07 44 29.2 +15 53 31 0.2320 1.1695 138.6 33.8 19.6
...
2012 12 12 08 06 26.0 +15 38 49 0.1880 1.1342 139.6 34.3 19.1
2012 12 13 08 10 46.7 +15 36 07 0.1810 1.1284 139.6 34.5 19.0
2012 12 14 08 15 22.8 +15 33 15 0.1741 1.1225 139.5 34.7 18.9
...
2012 12 20 08 50 13.9 +15 08 17 0.1353 1.0874 137.5 37.7 18.4
...
2012 12 28 10 10 47.1 +13 20 33 0.09302 1.0415 126.6 49.3 17.8
...
2013 01 12 14 48 17.1 -01 55 59 0.08424 0.9609 72.1 103.2 19.3
A. U. Tomatic (C) Copyright 2012 MPC M.P.E.C. 2012-X72
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