MPEC 2004-K65 : COMET C/2002 T7 (LINEAR)
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M.P.E.C. 2004-K65 Issued 2004 May 29, 14:38 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.
Supported in part by the Steven and Michele Kirsch Foundation
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/2002 T7 (LINEAR)
Observations:
CK02T070 C2004 05 21.34052 05 51 44.99 -20 09 15.3 11.0 N EK065415
CK02T070 C2004 05 21.35590 05 52 17.12 -20 09 04.1 11.2 N EK065415
CK02T070 C2004 05 22.29448 06 23 27.93 -19 48 26.4 10.9 N EK065467
CK02T070 C2004 05 22.32029 06 24 16.36 -19 47 35.8 10.9 N EK065467
CK02T070 C2004 05 22.33321 06 24 40.55 -19 47 10.2 11.0 N EK065467
CK02T070 C2004 05 22.90859 06 41 58.10 -19 26 04.5 10.5 N EK065859
CK02T070 C2004 05 22.91039 06 42 01.09 -19 25 59.8 10.6 N EK065859
CK02T070 C2004 05 22.91262 06 42 04.98 -19 25 54.2 10.6 N EK065859
CK02T070 C2004 05 23.27905 06 52 22.66 -19 09 59.4 10.1 N EK065467
CK02T070 C2004 05 23.27988 06 52 24.01 -19 09 56.7 11.2 N EK065467
CK02T070 C2004 05 23.28616 06 52 34.27 -19 09 39.7 10.1 N EK065467
CK02T070 C2004 05 25.46326 07 42 42.02 -17 19 23.6 7.5 T EK065367
CK02T070 C2004 05 25.46429 07 42 43.16 -17 19 20.8 7.6 T EK065367
CK02T070 C2004 05 25.46534 07 42 44.35 -17 19 17.1 7.7 T EK065367
CK02T070 C2004 05 26.37733 07 58 54.89 -16 31 30.1 12.1 N EK065415
CK02T070 C2004 05 27.33781 08 13 30.40 -15 43 59.8 11.9 N EK065415
CK02T070 C2004 05 27.36953 08 13 56.87 -15 42 28.1 11.9 N EK065415
Observer details:
367 Yatsuka. Observer H. Abe. 0.26-m f/6 reflector + CCD.
415 Kambah, near Canberra. Observer D. Herald. 0.36-m Schmidt-Cassegrain
+ CCD.
467 Auckland Observatory. Observer G. W. Christie. 0.35-m f/11
Schmidt-Cassegrain + CCD.
859 Wykrota Observatory-CEAMIG. Observer C. Jacques. 0.30-m f/3.0
Schmidt-Cassegrain + CCD.
Orbital elements:
C/2002 T7 (LINEAR)
Epoch 2004 Apr. 25.0 TT = JDT 2453120.5
T 2004 Apr. 23.06137 TT MPC
q 0.6145993 (2000.0) P Q
z -0.0009149 Peri. 157.73517 +0.43442368 -0.83758731
+/-0.0000020 Node 94.85775 -0.86836675 -0.29180908
e 1.0005623 Incl. 160.58308 -0.23919708 -0.46183867
From 678 observations 2004 Jan. 1-May 27, mean residual 0".53.
The "original" and "future" barycentric values of 1/a from the above
orbit are -0.000058 and -0.000697 (+/- 0.000002) AU^-1, respectively.
A gravitational solution from the full observed arc is not satisfactory,
even when the recent observations are strongly weighted relative to the
earlier observations. A nongravitational solution, also not entirely
satisfactory, satisfying 3761 observations over the full observed arc with
mean residual 0".50, gives A1 = -0.23 +/- 0.02, A2 = +0.28 +/- 0.01.
Brian G. Marsden (C) Copyright 2004 MPC M.P.E.C. 2004-K65
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