MPEC 2007-H42 : COMET C/2007 H2 (SKIFF)
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M.P.E.C. 2007-H42 Issued 2007 Apr. 23, 14:32 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://www.cfa.harvard.edu/iau/mpc.html ISSN 1523-6714
COMET C/2007 H2 (SKIFF)
Observations:
CK07H020 C2007 04 20.81299 13 39 38.14 +01 26 34.1 EH042246
CK07H020 C2007 04 20.81373 13 39 38.16 +01 26 37.3 EH042246
CK07H020 C2007 04 20.81441 13 39 38.12 +01 26 39.1 EH042246
CK07H020 C2007 04 20.83400 13 39 37.74 +01 28 04.1 18.9 T EH042151
CK07H020 C2007 04 20.84048 13 39 37.55 +01 28 29.8 18.0 T EH042151
CK07H020 C2007 04 20.84696 13 39 37.45 +01 28 55.2 19.1 T EH042151
CK07H020 C2007 04 20.85370 13 39 37.36 +01 29 27.0 19.3 T EH042A21
CK07H020 C2007 04 20.85993 13 39 37.20 +01 29 52.5 18.9 T EH042A21
CK07H020 C2007 04 20.86628 13 39 36.93 +01 30 19.8 18.8 T EH042A21
CK07H020 C2007 04 20.87264 13 39 36.94 +01 30 47.0 19.0 T EH042A21
CK07H020 C2007 04 20.91323 13 39 35.95 +01 33 38.9 18.9 N EH042235
CK07H020 C2007 04 22.23936 13 39 10.84 +03 05 00.3 19.5 N EH042850
CK07H020 C2007 04 22.25478 13 39 10.53 +03 06 01.3 19.5 N EH042850
CK07H020 C2007 04 22.27020 13 39 10.15 +03 07 03.3 19.1 N EH042850
CK07H020 C2007 04 22.28572 13 39 09.78 +03 08 06.1 18.6 N EH042850
CK07H020 C2007 04 22.30131 13 39 09.46 +03 09 09.7 19.0 N EH042850
CK07H020 C2007 04 22.31687 13 39 09.12 +03 10 12.5 19.0 N EH042850
CK07H020 C2007 04 22.89396 13 38 59.54 +03 48 31.3 18.6 N EH042104
CK07H020 C2007 04 22.89700 13 38 59.44 +03 48 42.3 18.9 N EH042104
CK07H020 C2007 04 22.90030 13 38 59.36 +03 48 55.3 19.0 N EH042104
CK07H020 C2007 04 22.92732 13 38 58.84 +03 50 43.2 20.1 N EH042213
CK07H020 C2007 04 22.93957 13 38 58.72 +03 51 32.7 19.5 N EH042213
CK07H020 C2007 04 23.20380 13 38 53.96 +04 08 48.3 18.4 N EH042850
CK07H020 C2007 04 23.22631 13 38 53.47 +04 10 15.4 19.1 N EH042850
CK07H020 C2007 04 23.24882 13 38 52.95 +04 11 41.8 18.8 N EH042850
CK07H020 C2007 04 23.27134 13 38 52.46 +04 13 09.8 18.1 N EH042850
Observer details:
104 San Marcello Pistoiese. Observers L. Tesi, A. Boattini, G. Fagioli,
M. Mazzucato, F. Dolfi. Measurers G. Forti, L. Tesi, A. Boattini. 0.60-m
f/4 reflector + CCD.
151 Eschenberg Observatory, Winterthur. Observer M. Griesser. 0.40-m f/5.9
Hypergraph + CCD.
213 Observatorio Montcabre. Observer R. Naves. Measurer M. Campas. 0.30-m
f/10 Schmidt-Cassegrain + CCD.
235 CAST Observatory, Talmassons. Observers R. Ligustri, D. Da Rio. Measurer
R. Ligustri. 0.35-m f/5 reflector + CCD.
246 Klet Observatory-KLENOT. Observer M. Tichy. 1.06-m KLENOT Telescope
+ CCD.
850 Cordell-Lorenz Observatory, Sewanee. Observers D. T. Durig, D. S. Hardage,
J. E. Duke, F. B. Champion. 0.30-m f/9.7 Schmidt-Cassegrain + CCD.
A21 Irmtraut. Observer J. J. Mueller. 0.31-m f/4.8 reflector + CCD.
Orbital elements:
C/2007 H2 (Skiff)
T 2007 Feb. 17.342 TT MPC
q 1.41365 (2000.0) P Q
Peri. 319.401 -0.853960 -0.409722
Node 203.790 +0.256122 -0.867558
e 1.0 Incl. 52.668 -0.452939 +0.281905
From 79 observations 2007 Apr. 19-23.
Ephemeris:
C/2007 H2 (Skiff)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2007 04 20 13 39.90 +00 28.4 0.669 1.665 168.0 7.2 18.3
2007 04 30 13 37.35 +10 36.7 0.787 1.741 152.0 15.8 18.9
2007 05 10 13 36.71 +17 13.1 0.938 1.824 139.0 21.3 19.5
2007 05 20 13 38.14 +21 12.9 1.110 1.912 128.5 24.5 20.0
2007 05 30 13 41.58 +23 26.5 1.296 2.003 119.8 26.0 20.6
Further observations of this comet are desirable.
Brian G. Marsden (C) Copyright 2007 MPC M.P.E.C. 2007-H42
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