MPEC 2007-R60 : COMET P/2007 R1 (LARSON)
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M.P.E.C. 2007-R60 Issued 2007 Sept. 12, 14:45 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 P/2007 R1 (LARSON)
Observations:
PK07R010 C2007 09 05.44255 00 10 24.74 +01 45 37.4 18.2 T ER060699
PK07R010 C2007 09 05.45906 00 10 24.39 +01 45 34.6 ER060699
PK07R010 C2007 09 05.47556 00 10 23.96 +01 45 28.2 ER060699
PK07R010 C2007 09 05.49207 00 10 23.43 +01 45 24.4 ER060699
PK07R010 C2007 09 09.97082 00 08 34.15 +01 27 26.0 18.6 N ER060213
PK07R010 C2007 09 09.97736 00 08 34.00 +01 27 24.7 18.6 N ER060213
PK07R010 C2007 09 09.98225 00 08 33.87 +01 27 23.5 18.6 N ER060213
PK07R010 C2007 09 10.59336 00 08 18.37 +01 24 54.4 20.0 N ER060415
PK07R010 C2007 09 10.59899 00 08 18.25 +01 24 53.4 19.8 N ER060415
PK07R010 C2007 09 10.90646 00 08 10.49 +01 23 34.2 18.8 N ER060B42
Observer details:
213 Observatorio Montcabre. Observer R. Naves. Measurer M. Campas. 0.30-m
f/10 Schmidt-Cassegrain + CCD.
415 Kambah, near Canberra. Observer D. Herald. 0.36-m f/3.9
Schmidt-Cassegrain + CCD.
699 Lowell Observatory-LONEOS. Observer B. W. Koehn. 0.59-m LONEOS Schmidt
+ CCD.
B42 Vitebsk. Observer V. Nevski. 0.3-m f/5.0 reflector + CCD.
Orbital elements:
P/2007 R1 (Larson)
T 2008 July 2.457 TT MPC
q 4.37720 (2000.0) P Q
n 0.069979 Peri. 212.302 +0.830522 -0.556970
a 5.83206 Node 181.563 +0.537926 +0.804015
e 0.24946 Incl. 8.765 +0.144461 +0.208192
P 14.1
From 43 observations 2007 Sept. 4-10.
Ephemeris:
P/2007 R1 (Larson)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2007 09 07 00 09.80 +01 39.5 3.578 4.542 161.0 4.1 17.3
2007 09 17 00 05.49 +00 57.6 3.534 4.532 172.0 1.8 17.3
2007 09 27 00 00.88 +00 13.3 3.521 4.522 176.9 0.7 17.3
2007 10 07 23 56.37 -00 30.5 3.537 4.512 165.7 3.1 17.3
2007 10 17 23 52.36 -01 10.7 3.582 4.503 154.6 5.4 17.3
2007 10 27 23 49.20 -01 44.7 3.653 4.493 143.7 7.5 17.3
Further observations of this comet are desirable.
Brian G. Marsden (C) Copyright 2007 MPC M.P.E.C. 2007-R60
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