MPEC 2008-A69 : 2008 AA31
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M.P.E.C. 2008-A69 Issued 2008 Jan. 14, 15:22 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 http://www.cfa.harvard.edu/iau/mpc.html ISSN 1523-6714
2008 AA31
Observations:
K08A31A* C2008 01 12.40998 11 52 25.32 +23 15 41.7 17.9 V EA069703
K08A31A C2008 01 12.41593 11 52 21.97 +23 13 27.8 18.0 V EA069703
K08A31A C2008 01 12.42192 11 52 18.62 +23 11 12.9 17.8 V EA069703
K08A31A C2008 01 12.42788 11 52 15.27 +23 08 59.0 18.0 V EA069703
K08A31A C2008 01 12.45559 11 51 59.68 +22 58 37.6 17.7 V EA069703
K08A31A C2008 01 12.45599 11 51 59.47 +22 58 29.1 17.9 V EA069703
K08A31A C2008 01 12.45641 11 51 59.18 +22 58 19.7 17.6 V EA069703
K08A31A C2008 01 12.45683 11 51 58.96 +22 58 10.1 17.8 V EA069703
K08A31A C2008 01 12.51214 11 51 28.00 +22 37 36.5 18.3 V EA069703
K08A31A C2008 01 12.51256 11 51 27.75 +22 37 27.8 17.9 V EA069703
K08A31A C2008 01 12.51297 11 51 27.54 +22 37 18.4 18.2 V EA069703
K08A31A C2008 01 12.51340 11 51 27.28 +22 37 08.6 17.9 V EA069703
K08A31A C2008 01 12.57374 11 51 09.67 +22 19 59.2 18.4 V EA069F84
K08A31A C2008 01 12.58893 11 51 01.25 +22 14 32.4 18.6 V EA069F84
K08A31A C2008 01 12.94840 11 49 00.38 +20 05 10.8 18.6 V EA069A74
K08A31A C2008 01 12.95472 11 48 57.96 +20 03 13.1 18.2 V EA069A74
K08A31A C2008 01 12.96129 11 48 55.49 +20 01 10.9 18.6 V EA069A74
K08A31A C2008 01 12.96721 11 48 53.20 +19 59 20.2 18.7 V EA069A74
K08A31A C2008 01 12.97356 11 48 50.77 +19 57 23.1 18.3 V EA069A74
K08A31A C2008 01 12.98052 11 48 48.06 +19 55 13.5 18.6 V EA069A74
K08A31A C2008 01 12.98496 11 48 46.34 +19 53 50.5 18.1 V EA069A74
K08A31A C2008 01 13.05435 11 48 18.44 +19 32 39.4 18.0 V EA069A17
K08A31A C2008 01 13.05818 11 48 16.84 +19 31 29.4 18.0 V EA069A17
K08A31A C2008 01 13.06191 11 48 15.29 +19 30 21.6 17.9 V EA069A17
K08A31A C2008 01 13.38784 11 46 34.98 +17 56 25.2 18.0 R EA069854
K08A31A C2008 01 13.39063 11 46 33.89 +17 55 37.8 18.1 R EA069854
K08A31A C2008 01 13.39341 11 46 32.75 +17 54 54.0 18.1 R EA069854
K08A31A C2008 01 14.01351 11 43 44.90 +15 16 31.6 18.5 V EA069A44
K08A31A C2008 01 14.01666 11 43 43.94 +15 15 48.9 19.2 V EA069A44
K08A31A C2008 01 14.01960 11 43 42.97 +15 15 08.6 18.8 V EA069A44
K08A31A C2008 01 14.02611 11 43 41.03 +15 13 38.9 19.3 V EA069A44
K08A31A C2008 01 14.02925 11 43 40.09 +15 12 57.0 18.3 V EA069A44
K08A31A C2008 01 14.20850 11 42 42.44 +14 32 55.6 18.5 R EA069461
K08A31A C2008 01 14.21026 11 42 41.92 +14 32 32.0 EA069461
K08A31A C2008 01 14.21206 11 42 41.38 +14 32 08.3 EA069461
K08A31A C2008 01 14.21437 11 42 40.72 +14 31 37.6 EA069461
Observer details:
461 University of Szeged, Piszkesteto Stn. (Konkoly). Observer K. Sarneczky.
0.60-m Schmidt + CCD.
703 Catalina Sky Survey. Observer R. E. Hill. Measurers E. C. Beshore,
A. Boattini, G. J. Garradd, A. R. Gibbs, A. D. Grauer, R. E. Hill,
R. A. Kowalski, S. M. Larson, R. H. McNaught. 0.68-m Schmidt + CCD.
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.36-m f/10.0
Schmidt-Cassegrain + CCD.
A17 Guidestar Observatory, Weinheim. Observers M. Emmerich, S. Melchert.
0.36-m f/6 Schmidt-Cassegrain + CCD.
A44 Altschwendt. Observer W. Ries. 0.45-m f/3.6 reflector + CCD.
A74 Bergen-Enkheim Observatory. Observer U. Suessenberger. 0.36-m f/4.6
Schmidt-Cassegrain + CCD.
F84 Hibiscus Observatory, Punaauia. Observer J. C. Pelle. 0.35-m f/2.0
Schmidt + CCD.
Orbital elements:
2008 AA31 Earth MOID = 0.0130 AU
Epoch 2007 Oct. 27.0 TT = JDT 2454400.5 MPC
M 344.36196 (2000.0) P Q
n 0.24638677 Peri. 152.52935 -0.08187908 -0.99572821
a 2.5199454 Node 302.13870 +0.90490502 -0.05633021
e 0.6121061 Incl. 2.88880 +0.41766340 -0.07315896
P 4.00 H 24.1 G 0.15 U 7
Residuals in seconds of arc
080112 703 0.3+ 0.4- 080112 F84 0.6- 2.1- 080113 854 1.2+ 0.6+
080112 703 0.0 0.3- 080112 F84 0.3+ 1.1- 080113 854 1.5+ 1.1-
080112 703 0.1+ 0.6- 080112 A74 0.6+ 0.5- 080113 854 1.0+ 0.6+
080112 703 0.1+ 0.5- 080112 A74 0.1+ 0.2- 080114 A44 0.1+ 0.1-
080112 703 0.4+ 0.6- 080112 A74 0.5+ 0.1- 080114 A44 0.1+ 0.0
080112 703 0.6+ 0.2- 080112 A74 0.2+ 0.7- 080114 A44 0.9- 0.3-
080112 703 0.1- 0.2- 080112 A74 0.5+ 0.2+ 080114 A44 0.0 1.5-
080112 703 0.1+ 0.4- 080112 A74 0.4+ 0.4- 080114 A44 0.4+ 0.8-
080112 703 0.2+ 0.3- 080112 A74 0.6+ 1.2- 080114 461 0.0 0.1+
080112 703 0.0 0.4+ 080113 A17 0.3+ 0.7- 080114 461 0.0 0.1-
080112 703 0.2+ 0.1+ 080113 A17 0.2+ 0.9- 080114 461 0.0 0.0
080112 703 0.1- 0.1- 080113 A17 0.2+ 0.7- 080114 461 0.3+ 0.1-
Ephemeris:
2008 AA31 a,e,i = 2.52, 0.61, 3 q = 0.9775
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2008 01 15 11 40.10 +12 00.4 0.0347 1.003 123.0 55.4 18.8
2008 01 17 11 35.12 +07 21.4 0.0438 1.009 124.6 53.3 19.3
2008 01 19 11 31.64 +04 20.7 0.0532 1.016 126.4 51.2 19.7
2008 01 21 11 28.94 +02 15.9 0.0626 1.024 128.2 49.0 20.0
2008 01 23 11 26.66 +00 45.9 0.0721 1.032 130.1 46.8 20.2
2008 01 25 11 24.61 -00 20.9 0.0817 1.041 132.1 44.5 20.5
2008 01 27 11 22.68 -01 11.4 0.0914 1.050 134.2 42.2 20.7
2008 01 29 11 20.81 -01 49.7 0.101 1.060 136.3 39.9 20.8
2008 01 31 11 18.96 -02 18.7 0.111 1.071 138.5 37.6 21.0
2008 02 02 11 17.11 -02 40.3 0.121 1.082 140.7 35.2 21.1
2008 02 04 11 15.25 -02 56.0 0.131 1.093 143.0 32.9 21.3
2008 02 06 11 13.38 -03 06.7 0.141 1.105 145.2 30.6 21.4
2008 02 08 11 11.51 -03 13.4 0.151 1.117 147.5 28.3 21.5
2008 02 10 11 09.64 -03 16.7 0.162 1.130 149.8 26.0 21.6
2008 02 12 11 07.78 -03 17.1 0.173 1.143 152.1 23.8 21.7
2008 02 14 11 05.96 -03 15.1 0.184 1.156 154.4 21.7 21.8
2008 02 16 11 04.18 -03 11.1 0.195 1.170 156.7 19.5 21.9
2008 02 18 11 02.44 -03 05.4 0.207 1.184 158.9 17.5 22.0
2008 02 20 11 00.77 -02 58.3 0.219 1.198 161.1 15.5 22.0
2008 02 22 10 59.17 -02 50.1 0.231 1.212 163.2 13.6 22.1
2008 02 24 10 57.64 -02 40.9 0.244 1.227 165.2 11.9 22.2
Timothy B. Spahr (C) Copyright 2008 MPC M.P.E.C. 2008-A69
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