MPEC 2001-J31: COMET C/2001 HT50
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M.P.E.C. 2001-J31 Issued 2001 May 14, 21:46 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 HT50
Observations:
CK01H50T C2001 03 03.36621 12 24 00.63 -14 34 46.1 18.9 N 704
CK01H50T C2001 03 03.38021 12 24 00.17 -14 34 42.2 19.4 N 704
CK01H50T C2001 03 03.39392 12 23 59.51 -14 34 39.9 19.1 N 704
CK01H50T C2001 03 03.40790 12 23 59.15 -14 34 37.1 19.5 N 704
CK01H50T C2001 03 21.36301 12 11 51.04 -13 40 16.2 20.7 N 608
CK01H50T C2001 03 21.37418 12 11 50.55 -13 40 13.2 20.8 N 608
CK01H50T C2001 03 21.38523 12 11 50.06 -13 40 11.1 21.1 N 608
CK01H50T C2001 03 21.45869 12 11 46.83 -13 39 56.3 20.0 N 608
CK01H50T C2001 03 21.46967 12 11 46.37 -13 39 54.4 19.9 N 608
CK01H50T C2001 03 21.48092 12 11 45.88 -13 39 51.0 19.9 N 608
CK01H50T C2001 04 23.16674 11 49 08.06 -11 25 30.8 18.4 N 699
CK01H50T C2001 04 23.20425 11 49 06.57 -11 25 21.1 699
CK01H50T C2001 04 23.21809 11 49 06.20 -11 25 18.3 18.4 N 704
CK01H50T C2001 04 23.23282 11 49 05.51 -11 25 14.9 19.2 N 704
CK01H50T C2001 04 23.24204 11 49 05.25 -11 25 10.5 699
CK01H50T C2001 04 23.25916 11 49 04.52 -11 25 06.6 19.0 N 704
CK01H50T C2001 04 23.27363 11 49 04.00 -11 25 04.0 19.4 N 704
CK01H50T C2001 04 23.27967 11 49 03.73 -11 25 02.2 699
CK01H50T C2001 04 26.13959 11 47 16.89 -11 12 36.1 18.5 N 699
CK01H50T C2001 04 26.16139 11 47 15.95 -11 12 29.2 699
CK01H50T C2001 04 26.18322 11 47 15.17 -11 12 24.2 699
CK01H50T C2001 04 26.20507 11 47 14.37 -11 12 19.1 699
CK01H50T C2001 05 14.22046 11 37 23.71 -09 57 32.4 18.3 T 644
CK01H50T C2001 05 14.23062 11 37 23.41 -09 57 30.4 18.4 T 644
CK01H50T C2001 05 14.24203 11 37 23.08 -09 57 27.6 18.5 T 644
Observer details:
608 Haleakala-NEAT/MSSS. Observers E. F. Helin, S. Pravdo, K. Lawrence,
P. Kervin, R. Maeda, J. Africano, M. Hicks. 1.2-m reflector + CCD.
644 Palomar Mountain/NEAT. Observers E. F. Helin, S. Pravdo, K. Lawrence,
M. Hicks, E. Hovland, T. Bickler, J. Schroeder, L. Scherr, R. Thicksten,
A. Deetz. 1.2-m Schmidt + CCD.
699 Lowell Observatory-LONEOS. Observer B. A. Skiff. 0.59-m LONEOS Schmidt
+ CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly,
M. Bezpalko, R. Huber, L. Manguso, S. Adams. Measurers J. Stuart,
R. Sayer, J. B. Evans, H. Viggh. 1.0-m f/2.15 reflector + CCD.
Orbital elements:
C/2001 HT50
T 2003 July 8.4161 TT Marsden
q 2.799521 (2000.0) P Q
Peri. 323.8537 +0.2076169 +0.9583263
Node 42.8682 +0.9514875 -0.2444079
e 1.0 Incl. 163.2355 +0.2270831 +0.1479033
From 25 observations 2001 Mar. 3-May 14.
Ephemeris:
C/2001 HT50
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2001 05 11 11 38.96 -10 10.2 6.908 7.572 128.0 6.0 17.5
2001 05 21 11 34.40 -09 32.1 6.982 7.501 117.4 6.9 17.5
2001 05 31 11 30.76 -08 58.5 7.072 7.431 106.9 7.5 17.5
2001 06 10 11 28.05 -08 30.2 7.172 7.361 96.8 7.9 17.4
2001 06 20 11 26.26 -08 07.7 7.275 7.290 86.8 8.0 17.4
2001 06 30 11 25.34 -07 51.3 7.377 7.219 77.1 7.9 17.4
2001 07 10 11 25.22 -07 40.9 7.472 7.148 67.7 7.6 17.4
2001 07 20 11 25.81 -07 36.4 7.556 7.077 58.4 7.0 17.4
2001 07 30 11 27.02 -07 37.5 7.624 7.006 49.4 6.3 17.4
2001 08 09 11 28.77 -07 43.7 7.674 6.935 40.5 5.5 17.3
2001 08 19 11 30.96 -07 54.7 7.701 6.863 31.9 4.5 17.3
2001 08 29 11 33.49 -08 10.0 7.705 6.792 23.6 3.4 17.3
2001 09 08 11 36.26 -08 29.1 7.682 6.720 16.1 2.4 17.2
2001 09 18 11 39.18 -08 51.5 7.633 6.648 10.8 1.6 17.1
2001 09 28 11 42.14 -09 16.7 7.555 6.577 11.6 1.7 17.1
2001 10 08 11 45.04 -09 44.0 7.450 6.505 17.6 2.7 17.0
2001 10 18 11 47.76 -10 13.1 7.317 6.433 25.5 3.8 16.9
2001 10 28 11 50.19 -10 43.1 7.159 6.360 34.1 5.0 16.8
2001 11 07 11 52.19 -11 13.5 6.976 6.288 43.1 6.2 16.7
2001 11 17 11 53.62 -11 43.4 6.771 6.216 52.3 7.2 16.6
2001 11 27 11 54.32 -12 12.1 6.548 6.144 61.8 8.1 16.5
2001 12 07 11 54.14 -12 38.4 6.310 6.071 71.6 8.9 16.3
2001 12 17 11 52.89 -13 01.4 6.062 5.999 81.7 9.3 16.2
2001 12 27 11 50.41 -13 19.5 5.809 5.926 92.0 9.5 16.0
Brian G. Marsden (C) Copyright 2001 MPC M.P.E.C. 2001-J31
Read MPEC 2001-J30
Read MPEC 2001-J32
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