MPEC 2009-B87 : 2008 CG
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M.P.E.C. 2009-B87 Issued 2009 Jan. 30, 23:14 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 CG
Revision to MPEC 2008-C08
Additional Observations:
K08C00G C2009 01 29.87585 04 30 32.85 -13 26 53.2 20.3 C EB087493
K08C00G C2009 01 29.87692 04 30 33.10 -13 26 44.8 20.1 C EB087493
K08C00G C2009 01 29.87906 04 30 33.62 -13 26 26.4 20.0 C EB087493
K08C00G C2009 01 30.80161 04 34 25.72 -11 17 54.9 20.2 C EB087493
K08C00G C2009 01 30.80273 04 34 25.97 -11 17 45.9 19.9 C EB087493
K08C00G C2009 01 30.80386 04 34 26.25 -11 17 36.4 19.9 C EB087493
Observer details:
493 Calar Alto. Observer F. Hormuth. 1.23-m reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
090129 493 0.26+ 0.03+ 090130 493 0.26+ 0.04+ MPO136023 -0.10 day
Orbital elements:
2008 CG Earth MOID = 0.1245 AU
Epoch 2008 Nov. 30.0 TT = JDT 2454800.5 MPC
M 25.34129 (2000.0) P Q
n 0.94578668 Peri. 230.87824 +0.95633141 -0.19548262
a 1.0278757 Node 139.03181 +0.22980127 +0.96227013
e 0.2516027 Incl. 19.35517 -0.18061451 +0.18926898
P 1.04 H 22.0 G 0.15 U 4
Residuals in seconds of arc
080201 704 0.3+ 0.4- 080206 704 0.1- 0.7+ 080211 G96 0.0 0.4-
080201 704 0.0 0.3+ 080206 704 0.4+ 0.0 080211 G96 0.5- 0.3-
080201 704 0.1+ 0.9+ 080206 704 0.1- 0.2+ 080211 G96 0.1- 0.2-
080201 704 0.2- 0.9+ 080206 448 0.0 0.5- 080211 G96 0.2- 0.3-
080201 704 0.5+ 0.1+ 080206 673 0.1+ 0.2+ 080212 G96 0.2- 0.2-
080201 J95 0.2- 0.2- 080206 448 0.7- 0.3- 080212 G96 0.1- 0.2-
080201 J95 0.2- 0.7- 080206 704 0.1- 0.8+ 080212 G96 0.2+ 0.3-
080201 J95 0.0 0.3- 080206 673 0.0 0.0 080212 G96 0.0 0.3-
080202 704 0.2+ 1.1- 080206 673 0.3+ 0.8- 080213 704 (1.9+ 1.3+)
080202 704 1.0+ 1.0+ 080206 448 0.4+ 0.4- 080213 703 1.2- 0.3+
080202 704 1.3+ 0.0 080206 673 0.3+ 0.9+ 080213 703 0.2- 0.4+
080202 704 0.3+ 0.5+ 080206 474 0.2- 0.5- 080213 704 1.3+ 0.6+
080202 704 (2.6+ 0.3-) 080206 474 0.2- 0.5- 080213 703 0.9- 0.0
080202 704 0.4+ 0.3+ 080206 474 0.3- 0.5- 080213 703 0.4- 0.6-
080202 704 (1.7+ 0.9+) 080207 704 0.6+ 0.1+ 080213 704 1.4+ 0.1+
080202 854 0.4+ 0.3- 080207 704 0.8+ 0.6+ 080213 704 0.9+ 0.4+
080202 854 0.4+ 0.7+ 080207 704 0.0 0.0 080213 704 1.1+ 0.3+
080202 704 0.2+ 0.6+ 080207 704 0.4+ 0.3+ 080221 H55 0.6- 0.0
080202 854 0.4+ 0.3+ 080207 704 0.4+ 0.5+ 080221 H55 0.4- 0.3+
080202 704 0.9+ 0.1+ 080208 130 (1.9- 0.5-) 080221 H55 0.9+ 0.2+
080202 673 0.2+ 0.6+ 080208 130 0.3- 0.3- 080315 H55 (2.8- 5.9+)
080202 673 0.5- 0.2+ 080208 130 0.9- 0.1- 080315 H55 (2.6- 5.7+)
080202 673 1.2- 0.5+ 080208 130 0.5- 0.6- 090129 493 0.0 0.4+
080202 673 0.3- 0.4+ 080208 G96 0.3- 0.3- 090129 493 0.0 0.2-
080203 H55 0.5+ 1.0+ 080208 G96 0.0 0.4- 090129 493 0.1+ 0.1+
080203 H55 0.9- 0.8+ 080208 G96 0.1- 0.5- 090130 493 0.0 0.0
080203 H55 0.5- 0.3- 080208 G96 0.3- 0.3- 090130 493 0.2- 0.2-
080205 143 0.1- 0.5- 080208 A78 0.4- 0.5+ 090130 493 0.1+ 0.1-
080205 143 0.3- 0.0 080208 A78 0.4- 0.5+
080206 704 0.1- 0.5+ 080208 A78 0.9- 0.1+
Ephemeris:
2008 CG a,e,i = 1.03, 0.25, 19 q = 0.7693
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 01 29 04 26.83 -15 30.0 0.185 1.057 107.9 62.5 20.7
2009 02 08 05 05.74 +05 41.0 0.216 1.097 115.4 54.4 20.9
2009 02 18 05 39.30 +20 10.2 0.273 1.134 115.8 51.7 21.4
2009 02 28 06 10.34 +29 02.9 0.344 1.167 112.7 51.5 21.9
Timothy B. Spahr (C) Copyright 2009 MPC M.P.E.C. 2009-B87
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