MPEC 2010-C78 : 2007 CH15
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M.P.E.C. 2010-C78 Issued 2010 Feb. 15, 15:37 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
2007 CH15
Revision to MPEC 2007-C39
Additional Observations:
K07C15H 2C2009 12 09.49260505 56 10.288-21 50 10.97 24.5 R EC078568
K07C15H 2C2009 12 09.49761505 56 09.737-21 50 10.18 23.9 R EC078568
K07C15H 2C2009 12 09.50721905 56 08.694-21 50 08.67 23.6 R EC078568
K07C15H 2C2010 01 18.28834404 54 13.803-11 15 16.67 23.7 R EC078568
K07C15H 2C2010 01 18.29489604 54 13.448-11 15 06.75 23.1 R EC078568
Observer details:
568 Mauna Kea. Observers M. Micheli, G. T. Elliott, D. J. Tholen. Measurer
D. J. Tholen. 2.24-m University of Hawaii reflector.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
091209 568 15.3- 4.4- 100118 568 12.9- 2.7- MPO122873 +0.0082 day
Orbital elements:
2007 CH15 Earth MOID = 0.1059 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC
M 204.84331 (2000.0) P Q
n 0.60775950 Peri. 114.71744 -0.21881993 +0.93296172
a 1.3803256 Node 139.11164 -0.97572091 -0.21200421
e 0.2849652 Incl. 25.89102 +0.00930250 -0.29092377
P 1.62 H 21.7 G 0.15 U 2
Residuals in seconds of arc
070208 G96 0.1+ 0.3- 070217 G96 0.2+ 0.2- 070716 H55 0.1+ 0.1-
070208 G96 0.6+ 0.1- 070221 G96 0.1+ 0.5- 070725 H55 0.1+ 0.8+
070208 G96 0.1- 0.6- 070221 G96 0.0 0.6- 070725 H55 0.6+ 0.0
070208 G96 0.1- 0.2- 070221 G96 0.1- 0.3- 070725 H55 0.8+ 0.2+
070208 G96 0.5+ 1.4- 070221 G96 0.3+ 0.4- 070802 H55 1.1+ 0.4+
070208 G96 0.1- 0.2+ 070225 G96 0.3+ 0.0 070802 H55 0.5+ 0.3+
070208 G96 1.6- 0.3+ 070225 G96 0.2+ 0.1+ 070802 H55 0.1+ 0.0
070209 291 0.2- 0.1+ 070225 G96 0.1+ 0.0 070808 J95 0.5- 0.4+
070209 291 0.1+ 0.0 070225 G96 0.2- 0.3+ 070808 J95 0.1- 0.1+
070209 291 0.4- 0.3- 070312 G96 0.2+ 0.4+ 070808 J95 0.2- 1.1-
070209 B21 0.2+ 0.5+ 070312 G96 0.1+ 0.0 091209 568 0.0 0.1+
070209 B21 0.4+ 0.2+ 070312 G96 0.0 0.7+ 091209 568 0.1- 0.1+
070209 B21 0.0 0.2- 070312 G96 0.4+ 0.3+ 091209 568 0.1- 0.1+
070217 G96 0.2+ 0.3- 070716 H55 0.2+ 0.4+ 100118 568 0.0 0.1+
070217 G96 0.0 0.1+ 070716 H55 1.1- 0.1+ 100118 568 0.0 0.1+
070217 G96 0.0 0.1+ 070716 H55 0.5+ 0.8+
Ephemeris:
2007 CH15 a,e,i = 1.38, 0.28, 26 q = 0.9870
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2010 02 13 04 48.88 -00 08.0 1.130 1.686 105.4 34.4 24.5
2010 02 23 04 54.66 +03 55.0 1.204 1.664 98.2 36.1 24.7
2010 03 05 05 04.00 +07 39.7 1.280 1.638 91.4 37.2 24.8
2010 03 15 05 16.41 +11 04.5 1.356 1.611 85.0 38.0 24.9
2010 03 25 05 31.53 +14 08.6 1.430 1.581 79.1 38.3 25.0
Gareth V. Williams (C) Copyright 2010 MPC M.P.E.C. 2010-C78
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