MPEC 2003-A28 : COMET C/2001 HT50 (LINEAR-NEAT)
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M.P.E.C. 2003-A28 Issued 2003 Jan. 6, 16:49 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 (LINEAR-NEAT)
Observations:
CK01H50T C2002 12 28.72293 09 06 02.93 -05 58 16.7 349
CK01H50T C2002 12 28.72377 09 06 02.82 -05 58 16.7 349
CK01H50T C2002 12 28.72462 09 06 02.71 -05 58 16.6 349
CK01H50T C2002 12 28.72545 09 06 02.60 -05 58 16.3 349
CK01H50T C2002 12 28.72630 09 06 02.50 -05 58 16.2 13.3 T 349
CK01H50T C2002 12 29.07035 09 05 19.89 -05 57 23.8 13.9 N A02
CK01H50T C2002 12 29.07260 09 05 19.62 -05 57 23.4 13.7 N A02
CK01H50T C2002 12 29.07486 09 05 19.39 -05 57 22.7 13.5 N A02
CK01H50T C2002 12 29.97568 09 03 26.66 -05 55 00.9 14.3 N J97
CK01H50T C2002 12 29.98289 09 03 25.80 -05 55 00.6 14.1 N J97
CK01H50T C2003 01 01.02337 08 59 02.18 -05 48 54.1 14.1 N 213
CK01H50T C2003 01 01.02432 08 59 02.02 -05 48 52.8 13.9 N 213
CK01H50T C2003 01 01.02536 08 59 01.88 -05 48 53.1 14.1 N 213
CK01H50T C2003 01 01.06835 08 58 56.18 -05 48 44.7 616
CK01H50T C2003 01 01.06885 08 58 56.10 -05 48 44.4 616
CK01H50T C2003 01 01.06936 08 58 56.03 -05 48 44.6 616
CK01H50T C2003 01 01.06986 08 58 55.94 -05 48 44.0 616
CK01H50T C2003 01 01.07035 08 58 55.92 -05 48 44.1 616
CK01H50T C2003 01 01.07086 08 58 55.83 -05 48 44.4 616
CK01H50T C2003 01 01.07136 08 58 55.75 -05 48 44.2 616
CK01H50T C2003 01 01.07186 08 58 55.65 -05 48 43.8 616
CK01H50T C2003 01 02.37004 08 56 02.33 -05 44 10.9 15.1 T 704
CK01H50T C2003 01 02.38658 08 55 59.95 -05 44 07.9 15.0 T 704
CK01H50T C2003 01 02.40191 08 55 57.82 -05 44 03.5 14.9 T 704
CK01H50T C2003 01 02.41686 08 55 55.77 -05 44 03.8 15.1 T 704
CK01H50T C2003 01 02.43180 08 55 53.58 -05 43 51.8 15.3 T 704
CK01H50T C2003 01 03.34181 08 53 49.53 -05 40 36.6 10.7 T H43
CK01H50T C2003 01 03.35316 08 53 48.22 -05 40 29.9 15.0 T 704
CK01H50T C2003 01 03.36297 08 53 46.59 -05 40 31.8 10.6 T H43
CK01H50T C2003 01 03.36738 08 53 46.08 -05 40 26.2 15.3 T 704
CK01H50T C2003 01 03.38168 08 53 43.92 -05 40 17.2 18.0 T 704
CK01H50T C2003 01 03.39592 08 53 41.97 -05 40 20.0 15.5 T 704
CK01H50T C2003 01 03.41024 08 53 39.78 -05 40 11.0 15.6 T 704
CK01H50T C2003 01 03.97988 08 52 21.28 -05 38 04.1 13.8 N 213
CK01H50T C2003 01 03.98140 08 52 21.05 -05 38 03.6 13.9 N 213
CK01H50T C2003 01 03.98361 08 52 20.74 -05 38 02.6 13.8 N 213
CK01H50T C2003 01 03.99168 08 52 19.60 -05 38 01.6 13.9 N 232
CK01H50T C2003 01 03.99487 08 52 19.15 -05 38 00.8 13.9 N 232
CK01H50T C2003 01 03.99963 08 52 18.48 -05 37 59.8 13.9 N 232
CK01H50T C2003 01 04.35361 08 51 28.90 -05 36 33.3 15.2 N H43
CK01H50T C2003 01 04.35641 08 51 28.49 -05 36 32.1 15.2 N H43
CK01H50T C2003 01 04.37264 08 51 26.19 -05 36 27.8 15.2 N H43
CK01H50T C2003 01 04.38828 08 51 23.98 -05 36 24.0 15.3 N H43
CK01H50T C2003 01 04.59866 08 50 54.57 -05 35 31.3 340
CK01H50T C2003 01 04.60014 08 50 54.39 -05 35 30.4 340
CK01H50T C2003 01 04.60130 08 50 54.22 -05 35 29.9 12.9 T 340
CK01H50T C2003 01 04.61579 08 50 52.18 -05 35 26.6 12.8 T 348
CK01H50T C2003 01 04.61960 08 50 51.65 -05 35 25.6 348
CK01H50T C2003 01 04.68890 08 50 41.77 -05 35 07.3 13.1 T 355
CK01H50T C2003 01 04.69187 08 50 41.34 -05 35 06.5 355
CK01H50T C2003 01 04.69484 08 50 40.93 -05 35 06.4 355
CK01H50T C2003 01 05.32201 08 49 11.95 -05 32 22.6 14.9 N H43
CK01H50T C2003 01 05.34684 08 49 08.39 -05 32 16.1 15.0 N H43
CK01H50T C2003 01 05.34870 08 49 08.13 -05 32 16.1 14.7 N H43
CK01H50T C2003 01 05.37323 08 49 04.60 -05 32 09.6 14.9 N H43
CK01H50T C2003 01 06.41166 08 46 35.06 -05 27 23.7 15.0 N H43
Observer details:
213 Observatorio Montcabre. Observer R. Naves. Measurer M. Campas. 0.30-m
f/5.5 Schmidt-Cassegrain + CCD.
232 Masquefa Observatory. Observer E. Reina. 0.25-m f/6.3 Schmidt-Cassegrain
+ CCD.
340 Toyonaka. Observer Y. Ezaki. 0.30-m f/6.0 reflector + CCD.
348 Ayabe. Observer N. Otuki. 0.28-m f/5.5 Schmidt-Cassegrain + CCD.
349 Ageo. Observer K. Kadota. 0.18-m f/5.5 reflector + CCD, 0.25-m f/5.0
reflector + CCD.
355 Hadano. Observer A. Asami. 0.28-m f/5.0 reflector + CCD.
616 Brno. Observers M. Lehky, K. Hornoch, D. Hanzl, F. Hroch, P. Klepac,
G. Opletalova, M. Sebestova, E. Safarova, B. W. Wilsonwald,
A. D. Brunensis. 0.62-m f/4.5 reflector + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly,
M. Bezpalko, R. Huber, L. Manguso, S. Adams, D. Torres, T. Brothers,
S. Partridge. Measurers J. Stuart, R. Sayer, J. Evans, P. Hopman. 1.0-m
f/2.15 reflector + CCD.
A02 Masia Cal Maciarol. Observer J. Salto. 0.25-m f/3.7 Schmidt-Cassegrain
+ CCD. Long. = 0.7441, rho cos phi' = 0.74414, rho sin phi' = +0.66596.
H43 Conway. Observers P. C. Sherrod, B. M. Sherrod. 0.31-m f/3.75
Schmidt-Cassegrain + CCD.
J97 Alginet. Observer T. Climent G. 0.25-m f/4 Schmidt-Cassegrain + CCD.
Orbital elements:
C/2001 HT50 (LINEAR-NEAT)
Epoch 2003 July 20.0 TT = JDT 2452840.5
T 2003 July 9.00761 TT MPC
q 2.7920926 (2000.0) P Q
z +0.0008401 Peri. 324.06713 +0.21047303 +0.95761410
+/-0.0000012 Node 42.91333 +0.95076809 -0.24731943
e 0.9976544 Incl. 163.21197 +0.22746678 +0.14767645
From 542 observations 2001 Mar. 3-2003 Jan. 6, mean residual 0".64.
The "original" and "future" barycentric values of 1/a are +0.000878
and +0.001234 (+/- 0.000001) AU**-1, respectively.
Brian G. Marsden (C) Copyright 2003 MPC M.P.E.C. 2003-A28
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