MPEC 2008-A70 : 2008 AB31
The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.
Read MPEC 2008-A69
Read MPEC 2008-A71
M.P.E.C. 2008-A70 Issued 2008 Jan. 14, 15:26 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 AB31
Observations:
K08A31B* C2008 01 12.43479 10 43 52.86 +02 02 01.7 20.1 V EA070G96
K08A31B C2008 01 12.44294 10 43 52.60 +02 01 27.4 20.3 V EA070G96
K08A31B C2008 01 12.45117 10 43 52.32 +02 00 52.9 20.3 V EA070G96
K08A31B C2008 01 12.45940 10 43 52.06 +02 00 17.9 20.2 V EA070G96
K08A31B C2008 01 12.51324 10 43 50.34 +01 56 30.7 20.2 V EA070G96
K08A31B C2008 01 12.52241 10 43 50.05 +01 55 51.7 20.0 V EA070G96
K08A31B C2008 01 12.53168 10 43 49.76 +01 55 12.1 20.2 V EA070G96
K08A31B C2008 01 13.08148 10 43 35.73 +01 16 00.2 20.5 V EA070A17
K08A31B C2008 01 13.10508 10 43 34.97 +01 14 18.0 20.4 V EA070A17
K08A31B C2008 01 13.12866 10 43 34.21 +01 12 36.9 20.3 V EA070A17
K08A31B C2008 01 13.36645 10 43 27.89 +00 55 32.8 20.3 R EA070854
K08A31B C2008 01 13.37124 10 43 27.84 +00 55 09.2 20.2 R EA070854
K08A31B C2008 01 13.37604 10 43 27.62 +00 54 48.9 20.3 R EA070854
K08A31B tC2008 01 14.38834 10 42 55.07 -00 19 44.2 EA070291
K08A31B tC2008 01 14.39230 10 42 54.89 -00 20 02.3 EA070291
K08A31B tC2008 01 14.39607 10 42 54.74 -00 20 18.8 EA070291
Observer details:
291 LPL/Spacewatch II. Observer R. S. McMillan. 1.8-m f/2.7 reflector + 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.
G96 Mt. Lemmon Survey. Observer S. M. Larson. 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. 1.5-m reflector + CCD.
Orbital elements:
2008 AB31 Earth MOID = 0.2912 AU
Epoch 2007 Oct. 27.0 TT = JDT 2454400.5 MPC
M 280.11725 (2000.0) P Q
n 0.49682183 Peri. 257.00754 -0.83160878 +0.36710085
a 1.5788308 Node 303.00195 -0.05697346 -0.80280931
e 0.3149670 Incl. 29.79541 -0.55243178 -0.46982357
P 1.98 H 20.1 G 0.15 U 9
Residuals in seconds of arc
080112 G96 0.0 0.2- 080112 G96 0.2+ 0.2- 080113 854 0.4+ 0.7-
080112 G96 0.0 0.1- 080113 A17 0.7- 0.3+ 080114 291 0.1+ 0.1+
080112 G96 0.2- 0.1+ 080113 A17 0.2- 0.2- 080114 291 0.1- 0.2-
080112 G96 0.1- 0.1- 080113 A17 0.4+ 0.4+ 080114 291 0.0 0.2+
080112 G96 0.1+ 0.3+ 080113 854 0.8- 1.5+
080112 G96 0.1+ 0.1+ 080113 854 1.1+ 1.3-
Ephemeris:
2008 AB31 a,e,i = 1.58, 0.31, 30 q = 1.0816
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2008 01 15 10 42.54 -01 05.7 0.413 1.293 131.0 35.1 20.2
2008 01 25 10 31.40 -15 45.3 0.350 1.251 133.5 34.8 19.7
2008 02 04 10 07.71 -33 06.6 0.321 1.211 128.3 39.7 19.6
2008 02 14 09 26.70 -49 09.1 0.329 1.175 117.3 48.3 19.8
2008 02 24 08 26.49 -60 15.9 0.363 1.144 106.0 56.2 20.2
2008 03 05 07 15.04 -66 04.3 0.408 1.118 97.1 61.7 20.6
2008 03 15 06 09.29 -68 16.7 0.455 1.098 90.7 64.9 20.9
2008 03 25 05 18.75 -68 47.7 0.495 1.086 86.5 66.4 21.1
2008 04 04 04 42.16 -68 45.0 0.527 1.082 84.1 66.9 21.2
2008 04 14 04 15.32 -68 42.3 0.546 1.085 83.3 66.7 21.3
2008 04 24 03 54.11 -68 56.4 0.554 1.096 84.0 65.9 21.3
2008 05 04 03 35.57 -69 38.5 0.548 1.114 86.1 64.5 21.3
2008 05 14 03 16.32 -71 02.9 0.531 1.139 89.7 62.5 21.2
2008 05 24 02 50.17 -73 23.5 0.505 1.170 95.0 59.6 21.1
2008 06 03 02 01.87 -76 46.7 0.472 1.205 102.1 55.4 20.9
2008 06 13 00 02.46 -80 10.7 0.439 1.244 111.3 49.5 20.6
2008 06 23 20 38.44 -78 11.1 0.412 1.286 122.5 41.8 20.4
2008 07 03 18 51.07 -68 36.4 0.402 1.330 134.3 33.2 20.1
2008 07 13 18 13.50 -56 00.9 0.419 1.374 143.0 26.5 20.1
2008 07 23 18 00.76 -43 47.6 0.466 1.420 144.1 24.8 20.4
2008 08 02 17 58.73 -33 44.2 0.541 1.465 138.7 27.2 20.8
2008 08 12 18 02.53 -26 09.8 0.638 1.510 131.0 30.4 21.3
2008 08 22 18 09.90 -20 39.0 0.751 1.554 123.1 33.0 21.8
Timothy B. Spahr (C) Copyright 2008 MPC M.P.E.C. 2008-A70
Read MPEC 2008-A69
Read MPEC 2008-A71
Our Web policy. Index to the CBAT/MPC/ICQ pages.
