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M.P.E.C. 2007-H33 Issued 2007 Apr. 20, 19:11 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 19.25649 13 40 08.95 -00 26 15.3 18.1 T EH033699
CK07H020 C2007 04 19.28307 13 40 08.26 -00 24 16.3 EH033699
CK07H020 C2007 04 19.30965 13 40 07.51 -00 22 18.7 EH033699
CK07H020 C2007 04 19.33621 13 40 06.89 -00 20 19.9 EH033699
CK07H020 C2007 04 19.45911 13 40 04.03 -00 11 09.2 19.3 N EH033854
CK07H020 C2007 04 19.46488 13 40 03.90 -00 10 51.0 19.3 N EH033854
CK07H020 C2007 04 19.82775 13 39 57.65 +00 15 49.1 18.4 T EH033595
CK07H020 C2007 04 19.82875 13 39 57.59 +00 15 52.8 18.6 T EH033473
CK07H020 C2007 04 19.83185 13 39 57.55 +00 16 07.0 EH033595
CK07H020 C2007 04 19.83677 13 39 57.32 +00 16 27.9 19.8 T EH033595
CK07H020 C2007 04 19.84414 13 39 57.20 +00 16 59.7 19.8 T EH033595
CK07H020 C2007 04 19.86259 13 39 56.76 +00 18 19.1 18.2 T EH033113
CK07H020 C2007 04 19.86411 13 39 56.76 +00 18 25.9 18.3 T EH033113
CK07H020 C2007 04 19.86563 13 39 56.72 +00 18 32.6 18.6 T EH033113
CK07H020 C2007 04 19.86716 13 39 56.66 +00 18 39.8 18.5 T EH033113
CK07H020 C2007 04 19.87509 13 39 56.49 +00 19 15.1 18.7 T EH033473
CK07H020 C2007 04 19.88916 13 39 56.23 +00 20 15.7 EH033J95
CK07H020 C2007 04 19.89082 13 39 56.05 +00 20 23.2 18.5 T EH033473
CK07H020 C2007 04 19.89191 13 39 56.07 +00 20 27.8 18.6 T EH033473
CK07H020 C2007 04 19.89341 13 39 56.22 +00 20 34.5 EH033J95
CK07H020 C2007 04 19.89766 13 39 56.09 +00 20 52.4 EH033J95
CK07H020 C2007 04 19.90903 13 39 55.54 +00 21 42.8 18.5 T EH033473
CK07H020 C2007 04 19.91940 13 39 55.57 +00 22 28.4 19.8 N EH033A21
CK07H020 C2007 04 19.91945 13 39 55.44 +00 22 29.4 18.8 T EH033595
CK07H020 C2007 04 19.92507 13 39 55.47 +00 22 53.4 19.2 N EH033A21
CK07H020 C2007 04 19.93066 13 39 55.32 +00 23 17.5 20.1 N EH033A21
CK07H020 C2007 04 19.93261 13 39 55.18 +00 23 26.8 EH033595
CK07H020 C2007 04 19.94161 13 39 55.01 +00 24 04.4 18.1 N EH033J95
CK07H020 C2007 04 19.95886 13 39 54.57 +00 25 21.9 19.3 T EH033B03
CK07H020 C2007 04 19.96301 13 39 54.52 +00 25 39.8 18.7 T EH033B03
CK07H020 C2007 04 19.96547 13 39 54.55 +00 25 49.6 18.7 T EH033J87
CK07H020 C2007 04 19.96696 13 39 54.38 +00 25 56.3 18.7 T EH033B03
CK07H020 C2007 04 19.96789 13 39 54.50 +00 26 02.2 18.4 T EH033J87
CK07H020 C2007 04 19.96895 13 39 54.47 +00 26 05.8 18.4 T EH033J87
CK07H020 C2007 04 19.97096 13 39 54.30 +00 26 15.2 18.5 T EH033B03
CK07H020 C2007 04 19.97255 13 39 54.35 +00 26 20.2 18.7 T EH033J87
CK07H020 C2007 04 19.97491 13 39 54.20 +00 26 31.4 18.5 T EH033B03
CK07H020 C2007 04 19.97497 13 39 54.33 +00 26 32.2 18.9 T EH033J87
CK07H020 C2007 04 19.97906 13 39 54.05 +00 26 49.5 18.4 T EH033B03
CK07H020 C2007 04 19.98278 13 39 54.13 +00 27 06.6 18.7 T EH033J87
CK07H020 C2007 04 20.19248 13 39 50.33 +00 42 17.8 18.8 N EH033854
CK07H020 C2007 04 20.19823 13 39 50.23 +00 42 44.0 18.9 N EH033854
CK07H020 C2007 04 20.20400 13 39 50.07 +00 43 08.5 18.8 N EH033854
CK07H020 C2007 04 20.20693 13 39 49.71 +00 43 19.6 19.3 T EH033H55
CK07H020 C2007 04 20.20993 13 39 49.97 +00 43 33.8 18.7 N EH033854
CK07H020 C2007 04 20.22184 13 39 49.39 +00 44 24.4 19.4 T EH033H55
CK07H020 C2007 04 20.22318 13 39 49.36 +00 44 30.8 19.0 T EH033H55
CK07H020 C2007 04 20.25328 13 39 48.65 +00 46 40.8 19.7 T EH033H55
CK07H020 C2007 04 20.25583 13 39 48.55 +00 46 49.5 19.1 N EH033H36
CK07H020 C2007 04 20.25908 13 39 48.63 +00 47 04.6 19.0 N EH033H36
CK07H020 C2007 04 20.26235 13 39 48.47 +00 47 19.7 19.1 N EH033H36
CK07H020 C2007 04 20.28737 13 39 48.12 +00 49 09.1 EH033G96
CK07H020 C2007 04 20.29293 13 39 47.98 +00 49 33.2 EH033G96
CK07H020 C2007 04 20.29855 13 39 47.84 +00 49 57.5 18.5 T EH033G96
CK07H020 C2007 04 20.30412 13 39 47.71 +00 50 21.6 EH033G96
CK07H020 C2007 04 20.39216 13 39 45.59 +00 56 40.4 EH033G96
CK07H020 C2007 04 20.39271 13 39 45.56 +00 56 42.9 EH033G96
CK07H020 C2007 04 20.39324 13 39 45.57 +00 56 45.0 EH033G96
CK07H020 C2007 04 20.39377 13 39 45.55 +00 56 47.4 EH033G96
Observer details:
113 Volkssternwarte Drebach, Schoenbrunn. Observer A. Knoefel. 0.5-m f/5
reflector + CCD.
473 Remanzacco. Observers L. Donato, M. Gonano, V. Gonano, E. Guido,
G. Sostero. 0.45-m f/4.4 Newtonian reflector + CCD.
595 Farra d'Isonzo. Observers L. Bittesini, G. Lombardi, E. Pettarin,
F. Piani, G. Cralli. Measurers L. Bittesini, E. Pettarin, G. Lombardi.
0.40-m f/4.5 reflector + CCD.
699 Lowell Observatory-LONEOS. Observer B. A. Skiff. 0.59-m LONEOS Schmidt
+ CCD.
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.36-m f/10.0
Schmidt-Cassegrain + CCD.
A21 Irmtraut. Observer J. J. Mueller. 0.31-m f/4.8 reflector + CCD.
B03 Alter Satzberg, Vienna. Observer M. Pietschnig. 0.35-m f/7
Schmidt-Cassegrain + CCD.
G96 Mt. Lemmon Survey. Observer R. E. Hill. Measurers E. C. Beshore,
A. R. Gibbs, A. D. Grauer, R. E. Hill, R. A. Kowalski, S. M. Larson.
1.5-m reflector + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.30-m
Schmidt-Cassegrain + CCD.
H55 Astronomical Research Observatory, Charleston. Observer R. Holmes.
Measurer J. Faircloth. 0.81-m f/4.0 astrograph + CCD.
J87 La Canada. Observer J. Lacruz. 0.30-m Schmidt-Cassegrain + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
C/2007 H2 (Skiff)
T 2007 Feb. 17.409 TT MPC
q 1.41383 (2000.0) P Q
Peri. 319.448 -0.854407 -0.408908
Node 203.789 +0.255580 -0.867932
e 1.0 Incl. 52.638 -0.452402 +0.281935
From 56 observations 2007 Apr. 19-20.
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 0.668 1.664 168.0 7.2 18.3
2007 04 30 13 37.38 +10 36.8 0.786 1.741 152.0 15.8 18.9
2007 05 10 13 36.76 +17 13.3 0.937 1.824 139.0 21.3 19.5
2007 05 20 13 38.20 +21 13.2 1.109 1.911 128.5 24.5 20.0
2007 05 30 13 41.65 +23 26.8 1.296 2.003 119.8 26.1 20.6
Brian G. Marsden (C) Copyright 2007 MPC M.P.E.C. 2007-H33
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