MPEC 2007-S22 : COMET C/2007 Q3 (SIDING SPRING)
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M.P.E.C. 2007-S22 Issued 2007 Sept. 19, 15:15 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
COMET C/2007 Q3 (SIDING SPRING)
Observations:
CK07Q030 C2007 09 13.65058 03 29 15.52 -48 58 43.2 17.5 T ES022423
CK07Q030 C2007 09 13.67428 03 29 15.41 -48 58 53.2 17.9 T ES022423
CK07Q030 C2007 09 14.65988 03 29 09.94 -49 06 04.4 17.6 T ES022423
CK07Q030 C2007 09 14.69411 03 29 09.69 -49 06 19.1 17.5 T ES022423
CK07Q030 C2007 09 18.61608 03 28 40.20 -49 34 36.6 17.6 T ES022423
CK07Q030 C2007 09 18.63903 03 28 39.99 -49 34 46.6 17.6 T ES022423
Observer details:
423 North Ryde. Observer S. G. McAndrew. 0.20-m f/4 hyperbolic astrograph
+ CCD.
Orbital elements:
C/2007 Q3 (Siding Spring)
T 2009 Oct. 7.081 TT MPC
q 2.24884 (2000.0) P Q
Peri. 2.145 -0.868259 -0.177318
Node 149.431 +0.440534 -0.705079
e 1.0 Incl. 65.650 +0.228157 +0.686602
From 49 observations 2007 Aug. 25-Sept. 18.
Ephemeris:
C/2007 Q3 (Siding Spring)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2007 09 17 03 28.90 -49 23.0 7.045 7.483 112.2 7.1 17.5
2007 09 27 03 26.93 -50 32.9 6.949 7.408 113.7 7.1 17.4
2007 10 07 03 23.63 -51 36.7 6.866 7.334 114.3 7.1 17.3
2007 10 17 03 19.08 -52 31.6 6.798 7.259 113.9 7.2 17.3
2007 10 27 03 13.50 -53 14.6 6.744 7.184 112.5 7.3 17.2
2007 11 06 03 07.17 -53 43.9 6.703 7.108 110.3 7.5 17.1
2007 11 16 03 00.48 -53 57.7 6.675 7.033 107.3 7.7 17.1
2007 11 26 02 53.88 -53 55.4 6.656 6.957 103.7 7.9 17.0
Further observations of this comet are desirable.
Brian G. Marsden (C) Copyright 2007 MPC M.P.E.C. 2007-S22
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