MPEC 2012-D52 : 2012 AS10
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M.P.E.C. 2012-D52 Issued 2012 Feb. 24, 04:28 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 AS10
Revision to MPEC 2012-A54
Additional Observations:
K12A10S & 1980 10 05.50519 23 14 24.85 -31 56 02.0 cED052260
K12A10S & 1980 10 05.55032 23 14 22.40 -31 54 44.5 cED052260
K12A10S C2001 12 19.17778 05 58 50.59 +37 17 10.7 19.6 RcED052644
K12A10S C2001 12 19.18819 05 58 49.28 +37 17 14.0 19.8 RcED052644
K12A10S C2001 12 19.19801 05 58 48.03 +37 17 16.7 19.8 RcED052644
K12A10S C2001 12 19.20858 05 58 46.71 +37 17 20.8 19.9 RcED052644
K12A10S C2001 12 19.21909 05 58 45.32 +37 17 24.4 20.1 RcED052644
K12A10S C2001 12 19.22970 05 58 44.01 +37 17 27.7 20.1 RcED052644
K12A10S C2001 12 20.25399 05 56 35.41 +37 22 42.2 19.5 RcED052644
K12A10S C2001 12 20.25640 05 56 35.13 +37 22 42.9 19.5 RcED052644
K12A10S C2001 12 20.29456 05 56 30.19 +37 22 54.8 19.4 RcED052644
Observer details:
260 Siding Spring-DSS. Measurer R. Matson. 1.2-m Schmidt.
644 Palomar Mountain/NEAT. Observers E. F. Helin, S. Pravdo, K. Lawrence,
K. Kuluhiwa, M. Hicks. Measurer R. Matson. 1.2-m Schmidt + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or integer in degrees), reference and Delta-T
801005 260 120+ 21- 011220 644 13+ 4+ MPO219458 -3.4 day
Orbital elements:
2012 AS10 Earth MOID = 0.1409 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 261.08287 (2000.0) P Q
n 0.48836299 Peri. 194.81238 -0.41458622 +0.89430974
a 1.5970097 Node 50.99095 -0.81134355 -0.27949777
e 0.4872147 Incl. 12.50956 -0.41211638 -0.34941534
P 2.02 H 17.1 G 0.15 U 4
Residuals in seconds of arc
801005 260 0.0 0.5+ 120111 B04 0.3- 0.2+ 120113 J41 0.4- 0.7-
801005 260 0.1- 0.3- 120111 C44 0.7+ 0.2+ 120113 J41 0.2- 0.3-
011219 644 0.2- 0.7+ 120111 C44 0.2- 0.0 120113 595 0.7+ 0.1+
011219 644 0.1- 0.5+ 120111 104 0.0 0.0 120113 J41 0.5- 0.4-
011219 644 0.2- 0.0 120111 104 0.4+ 0.2- 120115 H21 0.3+ 0.0
011219 644 0.1+ 0.5+ 120111 104 0.1- 1.3- 120115 H21 0.4+ 0.0
011219 644 0.5- 0.7+ 120111 204 0.1+ 0.1- 120115 H21 0.4+ 0.1-
011219 644 0.0 0.4+ 120111 204 0.1+ 0.6+ 120115 J95 0.1+ 0.9-
011220 644 0.2- 0.2+ 120111 J95 0.2+ 0.5- 120115 J95 0.0 0.3+
011220 644 0.2+ 0.2+ 120111 J95 0.2+ 0.6+ 120124 H36 0.3- 1.2+
011220 644 0.0 0.4+ 120112 G96 0.0 0.1- 120124 H36 1.5- 1.0+
120111 G96 0.0 0.1- 120112 G96 0.0 0.2+ 120213 H21 0.1+ 0.2+
120111 G96 0.1- 0.1- 120112 G96 0.4+ 0.0 120213 H21 0.0 0.0
120111 G96 0.3+ 0.3- 120112 G96 0.0 0.7- 120213 H21 0.2+ 0.1-
120111 G96 0.2- 0.2+ 120112 J95 0.6- 0.0 120213 291 0.2+ 0.4+
120111 G96 0.0 0.3- 120112 J95 0.0 0.0 120213 291 0.0 0.3+
120111 G96 0.0 0.5+ 120113 J95 0.2+ 0.3- 120213 291 0.2+ 0.1-
120111 G96 1.5- 0.5- 120113 J95 0.2+ 0.3- 120223 291 0.1- 0.0
120111 F65 0.1+ 0.2+ 120113 B28 0.1+ 0.3+ 120223 291 0.1+ 0.1-
120111 F65 0.0 0.0 120113 B28 0.1+ 0.3- 120223 291 0.1+ 0.0
120111 B04 0.3- 0.4- 120113 B28 0.1- 0.0
120111 B04 0.3- 0.1+ 120113 595 0.8+ 0.8+
Ephemeris:
2012 AS10 a,e,i = 1.60, 0.49, 13 q = 0.8189
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2012 01 25 04 09 02.5 +32 28 35 1.5175 2.1981 121.5 22.5 20.8
...
2012 02 09 04 07 13.6 +31 58 09 1.6545 2.1491 106.2 26.2 21.0
...
2012 02 17 04 10 04.1 +31 49 51 1.7313 2.1204 98.8 27.4 21.1
...
2012 02 23 04 13 43.1 +31 47 10 1.7888 2.0977 93.6 28.1 21.2
2012 02 24 04 14 26.7 +31 47 00 1.7983 2.0939 92.8 28.2 21.2
2012 02 25 04 15 12.2 +31 46 54 1.8078 2.0900 91.9 28.2 21.2
...
2012 03 02 04 20 24.0 +31 47 46 1.8638 2.0659 87.1 28.6 21.3
...
2012 03 10 04 28 55.4 +31 52 06 1.9353 2.0323 81.0 28.9 21.3
...
2012 03 25 04 49 12.0 +32 05 46 2.0562 1.9642 70.6 28.6 21.4
A. U. Tomatic (C) Copyright 2012 MPC M.P.E.C. 2012-D52
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