MPEC 2014-E25 : 2011 AM12
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M.P.E.C. 2014-E25 Issued 2014 Mar. 3, 14:52 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
2011 AM12
Revision to MPEC 2011-A36
Additional Observations:
K11A12M 2C2014 02 05.54581011 45 50.379+34 45 15.98 23.3 RtEE025568
K11A12M 2C2014 02 05.55315011 45 49.966+34 45 25.32 23.2 RtEE025568
K11A12M 2C2014 02 25.53277511 21 49.129+40 59 09.29 23.2 RtEE025568
K11A12M 2C2014 02 25.54386311 21 48.143+40 59 19.49 23.3 RtEE025568
K11A12M 2C2014 02 25.55481911 21 47.170+40 59 29.54 23.3 RtEE025568
K11A12M 2C2014 02 25.56575111 21 46.194+40 59 39.44 23.3 RtEE025568
Observer details:
568 Mauna Kea. Observers M. C. Kotson, D. J. Tholen. Measurer D. J. Tholen.
2.24-m University of Hawaii reflector.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
140205 568 69.5+ 4.7- 140225 568 72.8+ 1.9- MPO192646 -0.073 day
Orbital elements:
2011 AM12 PHA, Earth MOID = 0.0070 AU
Epoch 2013 Nov. 4.0 TT = JDT 2456600.5 MPC
M 78.39575 (2000.0) P Q
n 0.39031930 Peri. 237.68106 +0.84806986 -0.13970505
a 1.8543400 Node 124.85264 +0.15349145 +0.98803028
e 0.5373554 Incl. 38.52545 -0.50716652 +0.06541157
P 2.53 H 19.5 G 0.15 U 3
Residuals in seconds of arc
110108 E12 0.2- 0.2+ 110109 E12 0.4+ 0.5- 110123 G96 0.2+ 0.2+
110108 E12 0.0 0.1+ 110109 J95 0.1+ 0.1- 110123 G96 0.6- 0.4+
110108 E12 0.1+ 0.2+ 110109 J95 0.0 0.5- 110123 G96 0.3+ 0.3-
110108 E12 0.2- 0.3- 110109 J95 0.4- 0.9- 110127 291 0.3- 0.2+
110108 E12 0.2+ 0.1- 110111 291 0.1- 0.1- 110127 291 0.8+ 0.6-
110108 E12 0.0 0.5- 110111 291 0.4+ 0.1- 110128 695 0.1+ 0.1-
110108 J95 0.5+ 0.0 110111 291 0.0 0.3+ 110128 695 0.2+ 0.1-
110109 J95 0.7+ 0.9+ 110112 291 (1.1- 1.7+) 110128 695 0.1+ 0.1-
110109 291 0.6- 0.5+ 110112 291 0.5- 0.4+ 110205 291 0.8- 0.5-
110109 291 0.4- 0.8+ 110112 291 0.3- 0.6+ 110205 291 0.4+ 0.1+
110109 H21 0.3- 0.1+ 110113 291 0.0 0.1- 110205 291 (1.6- 0.4+)
110109 291 0.6- 0.6+ 110113 291 0.2+ 1.3+ 110211 291 0.1+ 0.2+
110109 H21 0.4- 0.2+ 110113 291 0.2- 0.8+ 110211 291 0.2+ 0.2+
110109 H21 0.4- 0.6+ 110114 291 (0.7- 2.1+) 110211 291 0.1- 0.2-
110109 E12 0.2- 0.2- 110114 291 (0.7- 2.0+) 140205 568 0.1+ 0.1-
110109 474 0.1+ 0.1+ 110114 291 0.1- 0.3+ 140205 568 0.0 0.0
110109 474 0.1+ 0.2- 110121 H21 0.6+ 0.3- 140225 568 0.0 0.1-
110109 474 0.1+ 0.4- 110121 H21 0.3+ 0.8- 140225 568 0.0 0.0
110109 474 0.1+ 0.4- 110121 H21 0.4- 0.6+ 140225 568 0.0 0.1+
110109 474 0.0 0.4- 110123 G96 0.5- 0.1- 140225 568 0.1- 0.0
Ephemeris:
2011 AM12 a,e,i = 1.85, 0.54, 39 q = 0.8579
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2014 02 01 11 49 30.8 +33 08 58 1.7373 2.5580 138.3 14.9 23.6
...
2014 02 16 11 34 39.8 +38 15 10 1.7277 2.6078 146.3 12.1 23.5
...
2014 02 24 11 24 00.7 +40 35 06 1.7490 2.6324 146.6 11.9 23.5
...
2014 03 02 11 15 16.1 +42 03 13 1.7771 2.6499 144.9 12.4 23.6
2014 03 03 11 13 46.6 +42 16 18 1.7828 2.6528 144.5 12.5 23.6
2014 03 04 11 12 16.9 +42 28 55 1.7887 2.6556 144.0 12.7 23.6
...
2014 03 10 11 03 19.0 +43 34 26 1.8298 2.6721 140.6 13.7 23.7
...
2014 03 18 10 51 53.3 +44 34 42 1.8981 2.6930 134.7 15.2 23.9
...
2014 04 02 10 34 29.1 +45 12 10 2.0604 2.7285 122.3 18.0 24.2
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