MPEC 2007-A46 : COMET C/2007 A2 (CHRISTENSEN)
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M.P.E.C. 2007-A46 Issued 2007 Jan. 12, 23:03 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://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
COMET C/2007 A2 (CHRISTENSEN)
Observations:
CK07A020 C2007 01 10.41205 09 01 08.39 +13 28 58.1 19.4 T EA046G96
CK07A020 C2007 01 10.41707 09 01 08.14 +13 28 55.7 EA046G96
CK07A020 C2007 01 10.42209 09 01 07.89 +13 28 53.3 EA046G96
CK07A020 C2007 01 10.42712 09 01 07.67 +13 28 50.7 EA046G96
CK07A020 C2007 01 10.47045 09 01 05.63 +13 28 29.1 19.5 T EA046G96
CK07A020 C2007 01 10.47637 09 01 05.36 +13 28 26.2 EA046G96
CK07A020 C2007 01 10.48194 09 01 05.07 +13 28 23.3 EA046G96
CK07A020 C2007 01 10.48807 09 01 04.77 +13 28 20.4 EA046G96
CK07A020 C2007 01 10.54339 09 01 02.19 +13 27 52.5 19.7 T EA046G96
CK07A020 C2007 01 10.54428 09 01 02.18 +13 27 51.9 EA046G96
CK07A020 C2007 01 10.54517 09 01 02.12 +13 27 51.9 EA046G96
CK07A020 C2007 01 10.54606 09 01 02.09 +13 27 51.4 EA046G96
CK07A020 C2007 01 12.03181 08 59 53.26 +13 15 34.3 EA046J95
CK07A020 C2007 01 12.03609 08 59 53.12 +13 15 32.6 EA046J95
CK07A020 C2007 01 12.04033 08 59 52.84 +13 15 29.8 20.0 N EA046J95
CK07A020 C2007 01 12.90288 08 59 11.97 +13 08 25.5 19.7 N EA046J87
CK07A020 C2007 01 12.91032 08 59 11.57 +13 08 21.1 19.4 N EA046J87
CK07A020 C2007 01 12.91777 08 59 11.20 +13 08 18.7 19.6 N EA046J87
Observer details:
G96 Mt. Lemmon Survey. Observer E. J. Christensen. Measurers E. C. Beshore,
E. J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill,
R. A. Kowalski, S. M. Larson. 1.5-m reflector + CCD.
J87 La Canada. Observer J. Lacruz. 0.30-m Schmidt-Cassegrain + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
C/2007 A2 (Christensen)
T 2007 July 8.036 TT MPC
q 3.06166 (2000.0) P Q
Peri. 226.013 -0.840568 -0.026229
Node 304.395 +0.431900 -0.635330
e 1.0 Incl. 40.974 -0.326967 -0.771795
From 18 observations 2007 Jan. 10-12.
Ephemeris:
C/2007 A2 (Christensen)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2007 01 10 09 01.45 +13 32.4 2.604 3.521 155.2 6.7 19.5
2007 01 20 08 53.20 +12 09.7 2.511 3.475 166.2 3.9 19.4
2007 01 30 08 43.99 +10 46.9 2.451 3.431 172.9 2.0 19.3
2007 02 09 08 34.58 +09 25.2 2.424 3.389 165.7 4.1 19.2
2007 02 19 08 25.79 +08 06.0 2.429 3.349 154.6 7.3 19.2
2007 03 01 08 18.36 +06 50.5 2.462 3.311 143.4 10.3 19.2
2007 03 11 08 12.83 +05 39.1 2.520 3.275 132.6 12.9 19.2
2007 03 21 08 09.50 +04 31.4 2.598 3.242 122.4 15.0 19.2
2007 03 31 08 08.47 +03 26.4 2.690 3.212 112.8 16.7 19.2
Brian G. Marsden (C) Copyright 2007 MPC M.P.E.C. 2007-A46
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