MPEC 2012-X18 : 2012 XP2
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M.P.E.C. 2012-X18 Issued 2012 Dec. 5, 18:13 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 XP2
Observations:
K12X02P* C2012 12 04.39245 05 44 13.56 -03 27 54.6 18.4 VrEX018703
K12X02P C2012 12 04.39819 05 44 13.92 -03 27 37.2 18.2 VrEX018703
K12X02P C2012 12 04.40388 05 44 14.28 -03 27 20.8 17.5 VrEX018703
K12X02P C2012 12 04.40955 05 44 14.74 -03 27 02.2 17.9 VrEX018703
K12X02P C2012 12 04.45541 05 44 18.38 -03 24 40.2 18.6 VrEX018703
K12X02P C2012 12 04.45653 05 44 18.38 -03 24 36.8 18.2 VrEX018703
K12X02P C2012 12 04.45877 05 44 18.60 -03 24 30.0 rEX018703
K12X02P |C2012 12 04.45894 05 44 18.05 -03 24 29.8 cEX018H06
K12X02P C2012 12 04.45911 05 44 18.67 -03 24 28.6 18.2 VrEX018G96
K12X02P C2012 12 04.46087 05 44 18.81 -03 24 23.3 18.5 VrEX018G96
K12X02P |C2012 12 04.46097 05 44 18.21 -03 24 23.8 cEX018H06
K12X02P C2012 12 04.46262 05 44 18.96 -03 24 18.0 18.6 VrEX018G96
K12X02P |C2012 12 04.46300 05 44 18.35 -03 24 17.8 18.6 VcEX018H06
K12X02P C2012 12 04.46439 05 44 19.10 -03 24 12.3 18.6 VrEX018G96
K12X02P KC2012 12 05.22830 05 45 59.55 -02 48 57.2 19.2 RqEX018H36
K12X02P KC2012 12 05.23244 05 45 59.77 -02 48 46.4 19.1 RqEX018H36
K12X02P KC2012 12 05.23655 05 46 00.02 -02 48 36.4 19.1 RqEX018H36
K12X02P C2012 12 05.25068105 45 56.94 -02 44 55.9 18.6 RtEX018W85
K12X02P C2012 12 05.25148305 45 56.98 -02 44 53.9 18.6 RtEX018W85
K12X02P C2012 12 05.25227405 45 57.02 -02 44 51.8 18.7 RtEX018W85
K12X02P C2012 12 05.25306705 45 57.05 -02 44 49.9 18.6 RtEX018W85
K12X02P C2012 12 05.25385805 45 57.08 -02 44 47.9 18.5 RtEX018W85
K12X02P C2012 12 05.25465005 45 57.13 -02 44 46.0 18.5 RtEX018W85
K12X02P C2012 12 05.25544305 45 57.17 -02 44 44.0 18.6 RtEX018W85
K12X02P KC2012 12 05.31138405 46 02.73 -02 45 28.1 19.0 VrEX018H21
K12X02P KC2012 12 05.31864305 46 03.10 -02 45 10.1 19.1 VrEX018H21
K12X02P KC2012 12 05.32109005 46 03.23 -02 45 03.9 19.3 VrEX018H21
K12X02P C2012 12 05.55066 05 46 31.75 -02 32 35.6 18.5 VoEX018E23
K12X02P C2012 12 05.55400 05 46 31.84 -02 32 28.7 19.2 VoEX018E23
K12X02P C2012 12 05.56171 05 46 32.22 -02 32 10.4 19.1 VoEX018E23
K12X02P C2012 12 05.56602 05 46 32.40 -02 31 59.5 oEX018E23
K12X02P 8C2012 12 05.56794 05 46 32.89 -02 31 58.3 oEX018E10
K12X02P 8C2012 12 05.56895 05 46 32.94 -02 31 55.9 oEX018E10
K12X02P C2012 12 05.56986 05 46 32.53 -02 31 50.9 oEX018E23
K12X02P 8C2012 12 05.56992 05 46 32.97 -02 31 53.6 oEX018E10
K12X02P C2012 12 05.57301 05 46 32.72 -02 31 43.0 19.2 VoEX018E23
K12X02P C2012 12 05.57875 05 46 32.91 -02 31 29.6 18.9 VoEX018E23
Observer details:
703 Catalina Sky Survey. Observer R. E. Hill. 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.
E10 Siding Spring-Faulkes Telescope South. Observers D. Morris, G. Harte,
J. Robinson, C. McClure. 2.0-m reflector + CCD.
E23 Arcadia. Observer A. Hidas. 0.35-m Schmidt-Cassegrain + CCD.
G96 Mt. Lemmon Survey. Observer R. A. Kowalski. 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.
H06 iTelescope Observatory, Mayhill. Observer H. Sato. 0.43-m f/6.8
astrograph + CCD + f/4.5 focal reducer.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers L. Buzzi, H. Devore, S. Foglia, T. Vorobjov. 0.61-m f/4.0
astrograph + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
W85 Cerro Tololo-LCOGT A. Observer T. Lister. 1.0-m f/8 Ritchey-Chretien
+ CCD.
Orbital elements:
2012 XP2 Earth MOID = 0.0042 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 349.71736 (2000.0) P Q
n 0.41710264 Peri. 137.65223 +0.93474841 -0.34012826
a 1.7740836 Node 242.50159 +0.28699205 +0.89325311
e 0.4973208 Incl. 6.65209 +0.20947784 +0.29395860
P 2.36 H 23.9 G 0.15 U 7
Residuals in seconds of arc
121204 703 0.5+ 1.2+ 121204 G96 0.1+ 0.1+ 121205 H21 0.1+ 0.1+
121204 703 0.3- 0.6+ 121205 H36 0.2- 0.4- 121205 E23 0.3+ 0.6-
121204 703 1.1- 0.7- 121205 H36 0.3- 0.1- 121205 E23 0.6- 1.6-
121204 703 0.4- 0.2+ 121205 H36 0.0 0.5- 121205 E23 0.0 1.4-
121204 703 0.7+ 0.2- 121205 W85 0.2- 0.3+ 121205 E23 0.0 0.6-
121204 703 0.7- 0.2- 121205 W85 0.2- 0.2+ 121205 E10 0.5+ 1.7+
121204 703 0.2- 0.4- 121205 W85 0.1- 0.4+ 121205 E10 0.7+ 1.7+
121204 H06 0.7+ 0.0 121205 W85 0.2- 0.2+ 121205 E23 0.5- 1.0-
121204 G96 0.3+ 0.1+ 121205 W85 0.3- 0.3+ 121205 E10 0.5+ 1.7+
121204 G96 0.2+ 0.1- 121205 W85 0.1- 0.2+ 121205 E23 0.3+ 0.5-
121204 H06 0.5+ 0.3- 121205 W85 0.0 0.2+ 121205 E23 0.4- 0.5-
121204 G96 0.2+ 0.2- 121205 H21 0.1+ 0.4+
121204 H06 0.1- 0.6- 121205 H21 0.1+ 0.1+
Ephemeris:
2012 XP2 a,e,i = 1.77, 0.50, 7 q = 0.8918
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2012 11 05 17 57 57.3 -04 53 05 0.1455 0.9036 49.4 123.6 24.6
...
2012 11 20 18 17 50.4 -08 19 54 0.04649 0.9525 39.2 139.0 23.9
...
2012 11 28 03 59 46.9 -33 56 36 0.0084900.9914 124.6 55.0 15.5
...
2012 12 04 05 43 21.1 -03 47 27 0.04525 1.0250 150.0 28.7 18.5
2012 12 05 05 45 30.9 -02 57 05 0.05173 1.0309 150.9 27.7 18.8
2012 12 06 05 47 09.2 -02 17 00 0.05824 1.0369 151.7 26.8 19.0
...
2012 12 12 05 51 46.1 +00 05 44 0.09802 1.0746 155.5 22.3 20.1
...
2012 12 20 05 53 20.7 +01 54 12 0.1537 1.1282 158.5 18.7 21.1
...
2013 01 04 05 55 22.7 +04 35 56 0.2703 1.2354 156.2 18.7 22.5
A. U. Tomatic (C) Copyright 2012 MPC M.P.E.C. 2012-X18
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