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M.P.E.C. 1999-V04 Issued 1999 Nov. 2, 00:57 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.
BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
COMET C/1999 U4 (CATALINA-SKIFF)
Observations:
CJ99U040 C1999 10 31.24836 02 08 48.20 +20 15 56.8 17.0 T 703
CJ99U040 C1999 10 31.26037 02 08 47.84 +20 15 57.9 17.0 T 703
CJ99U040 C1999 10 31.27238 02 08 47.40 +20 15 58.5 17.1 T 703
CJ99U040 C1999 10 31.28440 02 08 47.01 +20 15 58.3 17.0 T 703
CJ99U040 C1999 11 01.27779 02 08 14.92 +20 16 35.4 17.4 T 699
CJ99U040 C1999 11 01.30836 02 08 13.91 +20 16 36.7 699
CJ99U040 C1999 11 01.33894 02 08 12.93 +20 16 36.9 699
CJ99U040 C1999 11 01.77912 02 07 58.78 +20 16 52.9 557
CJ99U040 C1999 11 01.78110 02 07 58.72 +20 16 52.7 557
CJ99U040 C1999 11 01.78308 02 07 58.65 +20 16 53.0 557
CJ99U040 C1999 11 01.79495 02 07 58.29 +20 16 53.3 557
CJ99U040 C1999 11 01.81109 02 07 57.67 +20 16 54.4 16.9 T 046
CJ99U040 C1999 11 01.81336 02 07 57.60 +20 16 54.1 046
CJ99U040 C1999 11 01.81672 02 07 57.48 +20 16 54.4 046
CJ99U040 C1999 11 01.81969 02 07 57.42 +20 16 53.8 046
CJ99U040 C1999 11 01.82154 02 07 57.36 +20 16 54.1 046
CJ99U040 C1999 11 01.82410 02 07 57.32 +20 16 54.5 046
CJ99U040 C1999 11 01.82730 02 07 57.23 +20 16 54.9 046
Observer details:
046 Klet. Observers M. Tichy, Z. Moravec. 0.57-m f/5.2 reflector + CCD.
557 Ondrejov. Observers P. Pravec, L. Sarounova, P. Kusnirak. 0.65-m f/3.6
reflector + CCD.
699 Lowell Observatory-LONEOS. Observer B. A. Skiff. Measurer B. W. Koehn.
0.59-m LONEOS Schmidt + CCD.
703 Catalina Sky Survey. Observer T. B. Spahr. 0.41-m f/3 Schmidt + CCD.
Orbital elements:
C/1999 U4 (Catalina-Skiff)
T 2001 Sept. 14.404 TT Marsden
q 4.77674 (2000.0) P Q
Peri. 77.087 -0.155295 -0.909988
Node 31.540 +0.339132 -0.414635
e 1.0 Incl. 47.304 +0.927832 -0.000755
From 18 observations 1999 Oct. 31-Nov. 1.
Ephemeris:
C/1999 U4 (Catalina-Skiff)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
1999 10 29 02 10.01 +20 14.5 6.065 7.052 173.0 1.0 16.9
1999 11 08 02 04.64 +20 20.2 6.027 7.000 168.4 1.6 16.9
1999 11 18 01 59.45 +20 24.3 6.020 6.949 158.3 3.0 16.8
1999 11 28 01 54.73 +20 27.9 6.043 6.897 147.6 4.4 16.8
1999 12 08 01 50.70 +20 32.2 6.094 6.846 136.9 5.6 16.8
1999 12 18 01 47.56 +20 38.5 6.167 6.795 126.2 6.7 16.8
1999 12 28 01 45.43 +20 47.9 6.258 6.744 115.8 7.5 16.8
2000 01 07 01 44.36 +21 01.1 6.362 6.694 105.6 8.1 16.8
2000 01 17 01 44.39 +21 18.8 6.474 6.643 95.6 8.5 16.8
2000 01 27 01 45.47 +21 41.4 6.589 6.594 86.0 8.6 16.8
2000 02 06 01 47.56 +22 09.0 6.702 6.544 76.6 8.4 16.8
2000 02 16 01 50.59 +22 41.5 6.808 6.495 67.5 8.1 16.8
2000 02 26 01 54.45 +23 18.7 6.903 6.446 58.8 7.5 16.8
2000 03 07 01 59.08 +24 00.3 6.986 6.397 50.3 6.9 16.8
2000 03 17 02 04.37 +24 46.1 7.052 6.349 42.1 6.0 16.8
2000 03 27 02 10.24 +25 35.7 7.101 6.301 34.3 5.1 16.8
Brian G. Marsden (C) Copyright 1999 MPC M.P.E.C. 1999-V04
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