MPEC 2001-D07 : COMET C/2001 C5 (SOHO)
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Read MPEC 2001-D06
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M.P.E.C. 2001-D07 Issued 2001 Feb. 18, 00:44 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 C5 (SOHO)
Observations:
CK01C050 S2001 02 13.72122 21 41 09.6 -13 24 49 249
CK01C050 s2001 02 13.72122 2 +0.00839890 -0.00260451 -0.00054965 249
CK01C050 S2001 02 13.73756 21 41 15.4 -13 24 19 249
CK01C050 s2001 02 13.73756 2 +0.00840117 -0.00260079 -0.00054841 249
CK01C050 S2001 02 13.76256 21 41 25.4 -13 23 48 249
CK01C050 s2001 02 13.76256 2 +0.00840463 -0.00259510 -0.00054652 249
CK01C050 S2001 02 13.77923 21 41 35.4 -13 22 49 249
CK01C050 s2001 02 13.77923 2 +0.00840693 -0.00259131 -0.00054525 249
CK01C050 S2001 02 13.82092 21 41 58.9 -13 21 17 249
CK01C050 s2001 02 13.82092 2 +0.00841270 -0.00258183 -0.00054209 249
CK01C050 S2001 02 13.84590 21 42 08.6 -13 20 51 249
CK01C050 s2001 02 13.84590 2 +0.00841614 -0.00257615 -0.00054019 249
CK01C050 S2001 02 13.86256 21 42 19.8 -13 20 10 249
CK01C050 s2001 02 13.86256 2 +0.00841844 -0.00257235 -0.00053893 249
CK01C050 S2001 02 13.88793 21 42 32.0 -13 19 26 249
CK01C050 s2001 02 13.88793 2 +0.00842193 -0.00256658 -0.00053700 249
CK01C050 S2001 02 13.90423 21 42 40.6 -13 18 36 249
CK01C050 s2001 02 13.90423 2 +0.00842418 -0.00256287 -0.00053577 249
CK01C050 S2001 02 13.92923 21 42 56.0 -13 18 06 249
CK01C050 s2001 02 13.92923 2 +0.00842761 -0.00255718 -0.00053387 249
CK01C050 S2001 02 13.97099 21 43 19.6 -13 16 42 249
CK01C050 s2001 02 13.97099 2 +0.00843335 -0.00254767 -0.00053071 249
CK01C050 S2001 02 13.98756 21 43 29.2 -13 15 34 249
CK01C050 s2001 02 13.98756 2 +0.00843562 -0.00254390 -0.00052945 249
CK01C050 S2001 02 14.02923 21 43 53.3 -13 14 57 249
CK01C050 s2001 02 14.02923 2 +0.00844156 -0.00253460 -0.00052657 249
CK01C050 S2001 02 14.07090 21 44 21.7 -13 13 10 249
CK01C050 s2001 02 14.07090 2 +0.00844725 -0.00252511 -0.00052341 249
CK01C050 S2001 02 13.85425 21 42 14.5 -13 20 09 249
CK01C050 s2001 02 13.85425 2 +0.00841730 -0.00257424 -0.00053956 249
CK01C050 S2001 02 13.89593 21 42 37.4 -13 19 00 249
CK01C050 s2001 02 13.89593 2 +0.00842304 -0.00256475 -0.00053639 249
CK01C050 S2001 02 13.91256 21 42 47.3 -13 18 26 249
CK01C050 s2001 02 13.91256 2 +0.00842533 -0.00256097 -0.00053513 249
CK01C050 S2001 02 13.92092 21 42 51.9 -13 18 15 249
CK01C050 s2001 02 13.92092 2 +0.00842648 -0.00255907 -0.00053450 249
CK01C050 S2001 02 13.93758 21 43 00.0 -13 17 44 249
CK01C050 s2001 02 13.93758 2 +0.00842877 -0.00255527 -0.00053324 249
CK01C050 S2001 02 13.99590 21 43 34.4 -13 15 51 249
CK01C050 s2001 02 13.99590 2 +0.00843678 -0.00254198 -0.00052881 249
CK01C050 S2001 02 14.00423 21 43 39.2 -13 15 34 249
CK01C050 s2001 02 14.00423 2 +0.00843814 -0.00254028 -0.00052846 249
CK01C050 S2001 02 14.02090 21 43 49.5 -13 15 00 249
CK01C050 s2001 02 14.02090 2 +0.00844042 -0.00253649 -0.00052720 249
CK01C050 S2001 02 14.03756 21 44 00.0 -13 14 25 249
CK01C050 s2001 02 14.03756 2 +0.00844270 -0.00253269 -0.00052593 249
CK01C050 S2001 02 14.06376 21 44 16.7 -13 13 32 249
CK01C050 s2001 02 14.06376 2 +0.00844628 -0.00252673 -0.00052395 249
CK01C050 S2001 02 14.07923 21 44 26.9 -13 13 04 249
CK01C050 s2001 02 14.07923 2 +0.00844840 -0.00252320 -0.00052278 249
CK01C050 S2001 02 14.08756 21 44 32.2 -13 12 48 249
CK01C050 s2001 02 14.08756 2 +0.00844953 -0.00252130 -0.00052215 249
CK01C050 S2001 02 14.10424 21 44 43.9 -13 12 12 249
CK01C050 s2001 02 14.10424 2 +0.00845181 -0.00251750 -0.00052088 249
CK01C050 S2001 02 14.12090 21 44 55.6 -13 11 38 249
CK01C050 s2001 02 14.12090 2 +0.00845408 -0.00251371 -0.00051962 249
CK01C050 S2001 02 14.12923 21 45 02.0 -13 11 26 249
CK01C050 s2001 02 14.12923 2 +0.00845522 -0.00251181 -0.00051899 249
CK01C050 S2001 02 14.14590 21 45 14.0 -13 10 49 249
CK01C050 s2001 02 14.14590 2 +0.00845749 -0.00250801 -0.00051773 249
CK01C050 S2001 02 14.16256 21 45 26.8 -13 10 16 249
CK01C050 s2001 02 14.16256 2 +0.00845975 -0.00250422 -0.00051647 249
CK01C050 S2001 02 14.17091 21 45 33.5 -13 09 56 249
CK01C050 s2001 02 14.17091 2 +0.00846089 -0.00250232 -0.00051584 249
Observer details:
249 SOHO. SOHO-LASCO coronagraphs C3 and C2. Comet reported by M. Oates,
measurements by D. Hammer, reduction by B. G. Marsden.
Orbital elements:
C/2001 C5 (SOHO)
T 2001 Feb. 13.29 TT Marsden
q 0.0256 (2000.0) P Q
Peri. 51.27 +0.03545 -0.98887
Node 322.52 -0.97470 -0.06613
e 1.0 Incl. 166.26 -0.22069 +0.13325
From 32 observations 2001 Feb. 13-14.
Ephemeris:
C/2001 C5 (SOHO)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2001 02 10 22 26.40 -12 57.9 1.011 0.221 12.6 77.5
2001 02 11 22 17.53 -13 01.3 1.021 0.170 9.5 73.7
2001 02 12 22 06.46 -13 07.6 1.029 0.111 5.8 64.7
2001 02 13 21 49.71 -13 20.9 1.025 0.040 0.8 19.5
2001 02 14 21 44.29 -13 10.5 0.922 0.070 1.5 158.3
2001 02 15 21 56.65 -12 31.5 0.852 0.136 0.6 175.7
2001 02 16 22 10.70 -11 45.6 0.803 0.191 3.1 163.8
2001 02 17 22 25.60 -10 53.8 0.765 0.240 5.9 155.2
2001 02 18 22 41.13 -09 56.2 0.734 0.286 8.8 148.0
2001 02 19 22 57.13 -08 53.4 0.711 0.328 11.9 141.6
2001 02 20 23 13.46 -07 45.9 0.693 0.367 15.1 135.5
2001 02 21 23 29.97 -06 34.5 0.679 0.405 18.3 129.8
2001 02 22 23 46.50 -05 20.5 0.671 0.441 21.6 124.3
2001 02 23 00 02.88 -04 04.8 0.667 0.476 24.9 118.9
2001 02 24 00 18.97 -02 48.8 0.667 0.510 28.1 113.8
2001 02 25 00 34.65 -01 33.6 0.670 0.543 31.2 108.9
2001 02 26 00 49.80 -00 20.2 0.677 0.575 34.2 104.2
2001 02 27 01 04.34 +00 50.5 0.688 0.606 37.1 99.8
2001 02 28 01 18.22 +01 57.9 0.701 0.636 39.7 95.6
2001 03 01 01 31.39 +03 01.6 0.716 0.665 42.2 91.6
2001 03 02 01 43.84 +04 01.2 0.734 0.694 44.4 87.8
The above retrograde orbit solution seems somewhat more probable than a
direct one.
Brian G. Marsden (C) Copyright 2001 MPC M.P.E.C. 2001-D07
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