MPEC 2007-G20 : COMET C/2007 F1 (LONEOS)
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M.P.E.C. 2007-G20 Issued 2007 Apr. 8, 13:21 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/2007 F1 (LONEOS)
Observations:
CK07F010 C2007 03 24.81626 11 14 43.56 +21 27 16.2 18.8 T EG020152
CK07F010 C2007 03 24.82970 11 14 42.48 +21 27 28.7 18.6 T EG020152
CK07F010 C2007 04 07.23009 10 54 42.20 +24 09 28.0 18.0 T EG020673
CK07F010 C2007 04 07.23380 10 54 41.92 +24 09 30.7 EG020673
CK07F010 C2007 04 07.23819 10 54 41.49 +24 09 33.8 EG020673
CK07F010 C2007 04 07.24537 10 54 40.88 +24 09 37.1 EG020673
CK07F010 C2007 04 08.14032 10 53 23.08 +24 19 19.2 18.7 N EG020850
CK07F010 C2007 04 08.15545 10 53 21.79 +24 19 29.2 18.8 N EG020850
CK07F010 C2007 04 08.15579 10 53 21.51 +24 19 22.4 18.0 T EG020673
CK07F010 C2007 04 08.16782 10 53 20.46 +24 19 29.8 EG020673
CK07F010 C2007 04 08.17060 10 53 20.17 +24 19 31.5 18.9 N EG020850
CK07F010 C2007 04 08.17581 10 53 19.79 +24 19 35.7 EG020673
CK07F010 C2007 04 08.18299 10 53 19.18 +24 19 40.3 EG020673
CK07F010 C2007 04 08.18575 10 53 18.88 +24 19 40.3 19.0 N EG020850
CK07F010 C2007 04 08.19271 10 53 18.34 +24 19 46.6 EG020673
CK07F010 C2007 04 08.20089 10 53 17.45 +24 19 48.8 18.9 N EG020850
CK07F010 C2007 04 08.20486 10 53 17.27 +24 19 54.4 EG020673
CK07F010 C2007 04 08.21599 10 53 16.13 +24 19 58.4 19.6 N EG020850
CK07F010 C2007 04 08.23109 10 53 14.95 +24 20 09.5 19.7 N EG020850
Observer details:
152 Moletai Astronomical Observatory. Observers K. Cernis, J. Zdanavicius.
Measurer K. Cernis. 0.35-m f/3.5 reflector + CCD.
673 Table Mountain Observatory, Wrightwood. Observers H. Rhoades, J. Young.
Measurer J. Young. 0.61-m f/16 Cassegrain + CCD.
850 Cordell-Lorenz Observatory, Sewanee. Observers D. T. Durig, C. C. Grigsby.
0.30-m f/9.7 Schmidt-Cassegrain + CCD.
Orbital elements:
C/2007 F1 (LONEOS)
T 2007 Oct. 29.929 TT MPC
q 0.41096 (2000.0) P Q
Peri. 153.403 +0.911964 +0.395672
Node 173.028 -0.075665 -0.097638
e 1.0 Incl. 116.677 +0.403232 -0.913187
From 63 observations 2007 Mar. 19-Apr. 8.
Ephemeris:
C/2007 F1 (LONEOS)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2007 03 31 11 05.43 +22 46.1 2.691 3.558 145.4 9.2 17.7
2007 04 10 10 50.70 +24 38.5 2.677 3.436 132.7 12.4 17.5
2007 04 20 10 37.14 +26 09.2 2.692 3.312 120.1 15.2 17.4
2007 04 30 10 25.49 +27 17.4 2.727 3.186 108.0 17.5 17.2
2007 05 10 10 16.20 +28 05.3 2.773 3.057 96.5 19.2 17.1
2007 05 20 10 09.47 +28 36.1 2.823 2.927 85.7 20.2 16.9
2007 05 30 10 05.29 +28 53.6 2.869 2.794 75.5 20.6 16.8
Further observations of this comet are desirable.
Brian G. Marsden (C) Copyright 2007 MPC M.P.E.C. 2007-G20
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