Read MPEC 2008-G63
Read MPEC 2008-G65
Read MPEC 2008-G63
Read MPEC 2008-G65
M.P.E.C. 2008-G64 Issued 2008 Apr. 10, 20:00 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
Revision to MPEC 2008-A70
Additional Observations:
K08A31B C2002 07 14.40797 21 19 36.40 -20 40 06.1 19.7 R EG064644
K08A31B C2002 07 14.42523 21 19 32.92 -20 39 36.1 20.2 R EG064644
K08A31B C2002 07 14.44161 21 19 29.64 -20 39 07.7 20.0 R EG064644
K08A31B C2002 07 18.25765 21 07 02.42 -18 47 23.2 19.8 R EG064644
K08A31B C2002 07 18.33757 21 06 46.36 -18 45 03.4 20.2 R EG064644
K08A31B C2002 07 18.40476 21 06 32.80 -18 43 05.0 19.7 R EG064644
K08A31B C2002 07 22.36078 20 53 45.44 -16 47 24.1 19.9 R EG064644
Observer details:
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 two decimals in degrees), reference and Delta-T
020714 644 0.88- 1.22- 020722 644 1.02- 1.11- MPO133566 +0.023 day
Orbital elements:
2008 AB31 Earth MOID = 0.2937 AU
Epoch 2008 May 14.0 TT = JDT 2454600.5 MPC
M 19.66262 (2000.0) P Q
n 0.48618676 Peri. 255.57496 -0.83844372 +0.34833939
a 1.6017718 Node 303.10842 -0.03601255 -0.80279813
e 0.3200999 Incl. 30.02472 -0.54379704 -0.48391614
P 2.03 H 20.2 G 0.15 U 2
Residuals in seconds of arc
020714 644 0.1- 0.1+ 080112 G96 0.3+ 0.2- 080119 G96 0.4+ 0.3-
020714 644 0.2- 0.1- 080113 A17 0.5- 0.6+ 080119 G96 0.2- 1.3-
020714 644 0.0 0.4- 080113 A17 0.0 0.1+ 080119 G96 0.4- 1.0-
020718 644 0.1+ 0.1- 080113 A17 0.5+ 0.7+ 080119 G96 0.2- 0.1-
020718 644 0.1+ 0.0 080113 854 0.6- 1.9+ 080205 474 0.2+ 0.3+
020718 644 0.1+ 0.2+ 080113 854 1.3+ 0.9- 080205 474 0.5+ 0.3-
020722 644 0.0 0.2+ 080113 854 0.6+ 0.3- 080205 474 0.5+ 0.1+
080112 G96 0.2+ 0.2- 080114 291 0.2- 0.0 080409 474 0.1+ 0.3+
080112 G96 0.2+ 0.1- 080114 291 0.4- 0.3- 080409 474 1.0+ 0.0
080112 G96 0.0 0.1+ 080114 291 0.3- 0.1+ 080409 474 0.5- 0.0
080112 G96 0.1+ 0.1- 080115 H55 0.2+ 1.1+ 080409 474 0.6- 0.3+
080112 G96 0.2+ 0.3+ 080115 H55 0.1- 0.2+
080112 G96 0.3+ 0.1+ 080115 H55 0.1- 0.5+
Ephemeris:
2008 AB31 a,e,i = 1.60, 0.32, 30 q = 1.0890
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2008 04 04 04 49.63 -68 48.0 0.533 1.089 84.7 66.1 21.4
2008 04 14 04 24.15 -68 52.9 0.553 1.093 84.0 65.8 21.4
2008 04 24 04 04.60 -69 17.0 0.561 1.105 84.7 64.9 21.5
2008 05 04 03 48.12 -70 12.4 0.556 1.125 86.9 63.5 21.4
2008 05 14 03 31.56 -71 54.6 0.540 1.151 90.6 61.4 21.4
2008 05 24 03 08.88 -74 39.7 0.515 1.182 95.8 58.5 21.2
2008 06 03 02 23.14 -78 38.5 0.484 1.218 102.9 54.3 21.0
2008 06 13 23 59.79 -82 44.1 0.454 1.258 112.0 48.5 20.8
2008 06 23 19 48.07 -79 45.3 0.430 1.300 122.6 41.2 20.6
2008 07 03 18 18.61 -69 22.5 0.424 1.344 133.4 33.4 20.4
2008 07 13 17 52.97 -56 54.4 0.445 1.389 140.7 27.6 20.4
2008 07 23 17 46.43 -45 05.1 0.494 1.435 141.2 26.3 20.6
2008 08 02 17 47.98 -35 20.8 0.571 1.481 136.2 28.3 21.1
2008 08 12 17 54.04 -27 55.9 0.670 1.527 129.0 31.1 21.6
2008 08 22 18 02.92 -22 27.3 0.785 1.571 121.5 33.3 22.0
Timothy B. Spahr (C) Copyright 2008 MPC M.P.E.C. 2008-G64
Read MPEC 2008-G63
Read MPEC 2008-G65
Our Web policy. Index to the CBAT/MPC/ICQ pages.
MPC