MPEC 2001-C09: COMET C/2001 C2 (SOHO)
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M.P.E.C. 2001-C09 Issued 2001 Feb. 6, 23:10 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/2001 C2 (SOHO)
Observations:
CK01C020 S2001 02 06.34590 21 52 29.2 -18 06 46 249
CK01C020 s2001 02 06.34590 2 +0.00722070 -0.00425144 -0.00112996 249
CK01C020 S2001 02 06.36258 21 52 19.8 -18 05 34 249
CK01C020 s2001 02 06.36258 2 +0.00722373 -0.00424778 -0.00112860 249
CK01C020 S2001 02 06.38757 21 52 04.5 -18 03 08 249
CK01C020 s2001 02 06.38757 2 +0.00722827 -0.00424230 -0.00112655 249
CK01C020 S2001 02 06.40424 21 51 53.2 -18 01 36 249
CK01C020 s2001 02 06.40424 2 +0.00723129 -0.00423865 -0.00112519 249
CK01C020 S2001 02 06.65423 21 49 19.7 -17 35 01 249
CK01C020 s2001 02 06.65423 2 +0.00727641 -0.00418376 -0.00110481 249
CK01C020 S2001 02 06.67923 21 49 02.7 -17 32 13 249
CK01C020 s2001 02 06.67923 2 +0.00728090 -0.00417827 -0.00110278 249
CK01C020 S2001 02 06.69590 21 48 51.9 -17 30 29 249
CK01C020 s2001 02 06.69590 2 +0.00728389 -0.00417461 -0.00110142 249
CK01C020 S2001 02 06.72090 21 48 35.7 -17 27 48 249
CK01C020 s2001 02 06.72090 2 +0.00728838 -0.00416911 -0.00109939 249
CK01C020 S2001 02 06.73756 21 48 24.4 -17 25 54 249
CK01C020 s2001 02 06.73756 2 +0.00729137 -0.00416545 -0.00109803 249
CK01C020 S2001 02 06.76256 21 48 07.7 -17 23 11 249
CK01C020 s2001 02 06.76256 2 +0.00729584 -0.00415996 -0.00109600 249
CK01C020 S2001 02 06.77923 21 47 56.6 -17 21 21 249
CK01C020 s2001 02 06.77923 2 +0.00729883 -0.00415629 -0.00109464 249
CK01C020 S2001 02 06.82090 21 47 28.9 -17 16 54 249
CK01C020 s2001 02 06.82090 2 +0.00730627 -0.00414713 -0.00109125 249
CK01C020 S2001 02 06.84590 21 47 11.0 -17 14 07 249
CK01C020 s2001 02 06.84590 2 +0.00731074 -0.00414163 -0.00108922 249
CK01C020 S2001 02 06.86257 21 46 59.6 -17 12 15 249
CK01C020 s2001 02 06.86257 2 +0.00731371 -0.00413797 -0.00108787 249
CK01C020 S2001 02 06.88794 21 46 42.0 -17 09 21 249
CK01C020 s2001 02 06.88794 2 +0.00731823 -0.00413239 -0.00108580 249
CK01C020 S2001 02 06.90425 21 46 30.6 -17 07 33 249
CK01C020 s2001 02 06.90425 2 +0.00732114 -0.00412880 -0.00108448 249
Observer details:
249 SOHO. SOHO-LASCO coronagraph C3. Comet reported by S. Hoenig and
X.-M. Zhou, measurements by D. A. Biesecker, reduction by B. G. Marsden.
Magnitude estimates by Biesecker: Feb. 6.654 UT, V = 7.6 +/- 0.3;
6.679, V = 7.4 +/- 0.2; 6.696, V = 7.5 +/- 0.3; 6.721, V = 7.2 +/- 0.2;
6.738, V = 7.1 +/- 0.2; 6.763, V = 6.8 +/- 0.1; 6.779, V = 6.7 +/- 0.1;
6.821, V = 6.7 +/- 0.1; 6.846, V = 6.4 +/- 0.1; 6.863, V = 6.4 +/- 0.1;
6.888, V = 6.3 +/- 0.1; 6.904, V = 6.0 +/- 0.1, tail length 0.1 deg;
6.935, V = 6.0 +/- 0.1.
Orbital elements:
C/2001 C2 (SOHO)
T 2001 Feb. 7.92 TT Marsden
q 0.0049 (2000.0) P Q
Peri. 87.45 +0.16869 -0.98172
Node 8.79 -0.96299 -0.18322
e 1.0 Incl. 144.80 +0.21023 -0.05150
From 16 observations 2001 Feb. 6.
Ephemeris:
C/2001 C2 (SOHO)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2001 02 06.9 21 46.71 -17 03.1 0.954 0.107 6.1 104.1
2001 02 07.0 21 45.52 -16 52.0 0.958 0.100 5.7 103.7
2001 02 07.1 21 44.27 -16 40.7 0.961 0.092 5.2 103.1
2001 02 07.2 21 42.96 -16 29.1 0.965 0.085 4.8 102.3
2001 02 07.3 21 41.56 -16 17.3 0.968 0.076 4.3 101.3
2001 02 07.4 21 40.05 -16 05.1 0.972 0.067 3.9 100.1
2001 02 07.5 21 38.40 -15 52.5 0.976 0.058 3.3 98.3
2001 02 07.6 21 36.56 -15 39.3 0.980 0.048 2.8 95.6
2001 02 07.7 21 34.43 -15 25.5 0.985 0.037 2.1 91.3
2001 02 07.8 21 31.77 -15 10.7 0.989 0.024 1.4 82.2
2001 02 07.9 21 27.68 -14 56.0 0.993 0.008 0.3 43.7
Brian G. Marsden (C) Copyright 2001 MPC M.P.E.C. 2001-C09
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