MPEC 1999-K08: COMET C/1999 J2 (SKIFF)
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M.P.E.C. 1999-K08 Issued 1999 May 18, 00:26 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 J2 (SKIFF)
Observations:
CJ99J020 C1999 05 12.33520 16 59 56.30 +63 43 22.4 16.7 T 704
CJ99J020 C1999 05 12.35400 16 59 54.97 +63 43 22.2 17.7 T 704
CJ99J020 C1999 05 12.36305 16 59 53.61 +63 43 20.9 18.7 T 704
CJ99J020 C1999 05 12.37203 16 59 52.75 +63 43 22.9 17.8 T 704
CJ99J020 C1999 05 13.40333 16 58 28.92 +63 43 15.4 16.0 T 699
CJ99J020 C1999 05 13.42119 16 58 27.59 +63 43 15.7 699
CJ99J020 C1999 05 13.43905 16 58 26.12 +63 43 15.2 699
CJ99J020 C1999 05 13.87581 16 57 50.18 +63 43 06.8 15.5 T 046
CJ99J020 C1999 05 13.87745 16 57 50.08 +63 43 07.3 046
CJ99J020 C1999 05 13.87869 16 57 49.95 +63 43 06.9 046
CJ99J020 C1999 05 13.88176 16 57 49.70 +63 43 07.0 046
CJ99J020 C1999 05 13.88312 16 57 49.54 +63 43 07.0 046
CJ99J020 C1999 05 14.03905 16 57 36.80 +63 43 05.1 758
CJ99J020 C1999 05 14.04486 16 57 36.31 +63 43 04.2 758
CJ99J020 C1999 05 14.04969 16 57 35.94 +63 43 03.2 758
CJ99J020 C1999 05 14.05766 16 57 35.35 +63 43 02.9 758
CJ99J020 C1999 05 14.09965 16 57 31.90 +63 43 02.9 14.8 T 784
CJ99J020 C1999 05 14.10833 16 57 31.08 +63 43 02.8 15.4 T 784
CJ99J020 C1999 05 14.12396 16 57 29.85 +63 43 02.5 15.1 T 784
CJ99J020 C1999 05 14.15854 16 57 27.24 +63 43 01.9 719
CJ99J020 C1999 05 14.16153 16 57 26.86 +63 43 02.0 719
CJ99J020 C1999 05 14.23733 16 57 20.52 +63 42 59.7 15.8 T 713
CJ99J020 C1999 05 14.25781 16 57 18.85 +63 42 59.6 15.4 T 713
CJ99J020 C1999 05 14.26105 16 57 18.55 +63 42 59.5 719
CJ99J020 C1999 05 14.26270 16 57 18.42 +63 43 00.4 719
CJ99J020 C1999 05 14.27058 16 57 17.79 +63 42 59.5 15.7 T 713
CJ99J020 C1999 05 14.53831 16 56 55.77 +63 42 52.8 15.7 T 367
CJ99J020 C1999 05 14.54248 16 56 55.40 +63 42 52.7 367
CJ99J020 C1999 05 14.54664 16 56 55.05 +63 42 52.4 367
CJ99J020 C1999 05 14.55081 16 56 54.66 +63 42 52.1 367
CJ99J020 1999 05 14.63194 16 56 47.98 +63 42 51.7 16.2 T 372
CJ99J020 1999 05 14.68646 16 56 43.28 +63 42 50.0 16.3 T 372
CJ99J020 C1999 05 14.69809 16 56 42.45 +63 42 49.1 15.9 T 360
CJ99J020 C1999 05 14.70069 16 56 42.22 +63 42 49.2 360
CJ99J020 C1999 05 14.70330 16 56 41.98 +63 42 49.1 360
CJ99J020 C1999 05 14.72294 16 56 40.41 +63 42 48.6 16.0 T 867
CJ99J020 C1999 05 14.72954 16 56 39.84 +63 42 48.5 867
CJ99J020 C1999 05 14.73613 16 56 39.30 +63 42 48.4 867
CJ99J020 C1999 05 14.90046 16 56 25.86 +63 42 43.4 15.9 T 620
CJ99J020 C1999 05 14.92777 16 56 23.58 +63 42 42.6 15.9 T 620
CJ99J020 C1999 05 14.96574 16 56 20.36 +63 42 41.4 16.0 T 620
CJ99J020 C1999 05 15.94523 16 54 59.18 +63 42 07.5 15.0 T 118
CJ99J020 C1999 05 15.94788 16 54 58.95 +63 42 07.3 118
CJ99J020 C1999 05 15.95066 16 54 58.71 +63 42 07.6 118
CJ99J020 C1999 05 16.08113 16 54 47.87 +63 42 02.0 046
CJ99J020 C1999 05 16.08218 16 54 47.69 +63 42 02.9 046
CJ99J020 C1999 05 16.23966 16 54 34.93 +63 41 56.1 15.4 T 699
CJ99J020 C1999 05 16.24985 16 54 34.08 +63 41 55.8 699
CJ99J020 C1999 05 16.26003 16 54 33.19 +63 41 55.7 699
CJ99J020 C1999 05 16.50312 16 54 12.88 +63 41 43.8 15.7 T 367
CJ99J020 C1999 05 16.50937 16 54 12.35 +63 41 43.4 367
CJ99J020 C1999 05 16.51563 16 54 11.76 +63 41 43.4 367
CJ99J020 C1999 05 16.88745 16 53 40.71 +63 41 26.2 108
CJ99J020 C1999 05 16.89378 16 53 40.22 +63 41 24.6 15.7 T 557
CJ99J020 C1999 05 16.89671 16 53 40.21 +63 41 24.9 108
CJ99J020 C1999 05 16.90203 16 53 39.46 +63 41 22.7 16.5 T 108
CJ99J020 C1999 05 16.92075 16 53 37.97 +63 41 23.3 557
CJ99J020 C1999 05 17.02946 16 53 28.86 +63 41 17.6 14.9 T 046
CJ99J020 C1999 05 17.03117 16 53 28.77 +63 41 17.5 15.9 N 046
CJ99J020 C1999 05 17.03233 16 53 28.66 +63 41 17.5 046
CJ99J020 C1999 05 17.03350 16 53 28.59 +63 41 17.3 046
CJ99J020 C1999 05 17.03475 16 53 28.51 +63 41 17.5 046
CJ99J020 C1999 05 17.10043 16 53 23.16 +63 41 14.1 15.5 T 758
CJ99J020 C1999 05 17.10245 16 53 22.94 +63 41 14.8 15.2 T 758
CJ99J020 C1999 05 17.10524 16 53 22.78 +63 41 14.0 15.3 T 758
CJ99J020 C1999 05 17.39199 16 52 58.70 +63 40 59.8 15.8 T 699
CJ99J020 C1999 05 17.40219 16 52 57.89 +63 40 59.0 699
CJ99J020 C1999 05 17.41237 16 52 56.78 +63 40 58.3 699
CJ99J020 C1999 05 17.50139 16 52 49.60 +63 40 52.3 15.8 T 367
CJ99J020 C1999 05 17.50714 16 52 49.23 +63 40 52.7 16.0 T 365
CJ99J020 C1999 05 17.50764 16 52 49.07 +63 40 52.1 367
CJ99J020 C1999 05 17.51389 16 52 48.50 +63 40 51.6 367
CJ99J020 C1999 05 17.52250 16 52 47.86 +63 40 51.0 365
CJ99J020 C1999 05 17.88566 16 52 17.34 +63 40 29.7 557
CJ99J020 C1999 05 17.89639 16 52 16.43 +63 40 29.1 557
Observer details:
046 Klet. Observers J. Ticha, M. Tichy. Measurer M. Tichy.
0.57-m f/5.2 reflector + CCD.
108 Montelupo. Observers M. Tombelli, A. Boattini, L. Tesi, D. Guidetti,
G. Forti. Measurers M. Tombelli, A. Boattini, L. Tesi, S. Bartolini,
G. Forti. 0.30-m f/5.7 Schmidt-Cassegrain + CCD.
118 Modra. Observers A. Galad, J. Toth. 0.6-m f/5.5 reflector + CCD.
360 Kuma Kogen. Observer A. Nakamura. 0.60-m f/6.0 Ritchey-Chretien + CCD.
365 Kashihara. Observer F. Uto. 0.20-m f/4.0 reflector + CCD.
367 Yatsuka. Observer H. Abe. 0.26-m f/6.0 reflector + CCD.
372 Geisei. Observer T. Seki. 0.60-m f/3.5 reflector.
557 Ondrejov. Observers P. Pravec, P. Kusnirak. 0.65-m f/3.6 reflector
+ CCD.
620 Observatorio Astronomico de Mallorca. Observers A. Lopez, R. Pacheco.
0.30-m f/3.3 Schmidt-Cassegrain + CCD.
699 Lowell Observatory-LONEOS. Observer B. A. Skiff. Measurer B. W. Koehn.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly,
M. Bezpalko, M. Elowitz. Measurers J. Stuart, H. Viggh, R. Sayer. 1.0-m
f/2.15 reflector + CCD.
713 Thornton. Observer R. A. Koff. 0.20-m f/10 Schmidt-Cassegrain + CCD.
719 Etscorn Observatory. Observer D. A. Klinglesmith III. 0.355-m
Schmidt-Cassegrain + CCD.
758 BCC Observatory, Cocoa. Observer I. P. Griffin. 0.30-m f/5 Maksutov
+ CCD.
784 Stull Observatory, Alfred University. Observer D. R. DeGraff.
0.81-m f/4 reflector + CCD.
867 Saji Observatory. Observers M. Yamanishi, A. Miyamoto, M. Aimoto,
T. Oribe. 1.03-m f/4.8 reflector + CCD.
Orbital elements:
C/1999 J2 (Skiff)
T 1999 Oct. 23.960 TT Marsden
q 7.48613 (2000.0) P Q
Peri. 114.701 -0.316496 -0.593419
Node 47.826 -0.615136 -0.465497
e 1.0 Incl. 86.940 +0.722107 -0.656633
From 73 observations 1999 May 12-17.
Ephemeris:
C/1999 J2 (Skiff)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
1999 05 12 17 00.39 +63 43.4 7.390 7.558 95.7 7.6 15.1
1999 05 22 16 46.52 +63 34.8 7.384 7.549 95.5 7.7 15.1
1999 06 01 16 32.51 +63 08.2 7.387 7.541 94.9 7.7 15.1
1999 06 11 16 19.08 +62 23.3 7.398 7.534 93.8 7.7 15.1
1999 06 21 16 06.89 +61 21.3 7.416 7.527 92.4 7.8 15.1
1999 07 01 15 56.38 +60 04.3 7.443 7.521 90.5 7.8 15.1
1999 07 11 15 47.80 +58 34.7 7.478 7.515 88.2 7.8 15.1
1999 07 21 15 41.21 +56 55.6 7.518 7.510 85.7 7.8 15.1
1999 07 31 15 36.54 +55 09.8 7.564 7.505 82.8 7.7 15.1
1999 08 10 15 33.65 +53 20.1 7.614 7.501 79.8 7.6 15.2
1999 08 20 15 32.36 +51 29.0 7.667 7.497 76.6 7.5 15.2
1999 08 30 15 32.46 +49 38.5 7.720 7.494 73.4 7.4 15.2
1999 09 09 15 33.76 +47 50.7 7.773 7.491 70.2 7.3 15.2
1999 09 19 15 36.09 +46 07.1 7.822 7.489 67.1 7.1 15.2
1999 09 29 15 39.26 +44 29.1 7.867 7.488 64.3 6.9 15.2
1999 10 09 15 43.11 +42 57.8 7.906 7.487 61.8 6.8 15.2
1999 10 19 15 47.51 +41 34.3 7.937 7.486 59.9 6.6 15.2
1999 10 29 15 52.32 +40 19.2 7.958 7.486 58.4 6.5 15.2
1999 11 08 15 57.40 +39 13.1 7.969 7.487 57.7 6.4 15.3
1999 11 18 16 02.63 +38 16.7 7.968 7.488 57.8 6.4 15.3
1999 11 28 16 07.89 +37 30.2 7.954 7.489 58.7 6.5 15.2
1999 12 08 16 13.05 +36 53.8 7.929 7.491 60.4 6.6 15.2
1999 12 18 16 17.99 +36 27.5 7.890 7.494 62.9 6.7 15.2
1999 12 28 16 22.59 +36 11.3 7.840 7.497 66.2 6.9 15.2
2000 01 07 16 26.70 +36 04.9 7.779 7.501 70.0 7.1 15.2
2000 01 17 16 30.21 +36 07.7 7.709 7.505 74.4 7.3 15.2
2000 01 27 16 32.98 +36 18.9 7.631 7.510 79.3 7.4 15.2
2000 02 06 16 34.88 +36 37.6 7.547 7.515 84.4 7.5 15.1
2000 02 16 16 35.78 +37 02.5 7.460 7.521 89.7 7.5 15.1
2000 02 26 16 35.59 +37 31.8 7.374 7.527 95.1 7.5 15.1
2000 03 07 16 34.20 +38 03.6 7.290 7.534 100.5 7.4 15.1
2000 03 17 16 31.56 +38 35.7 7.212 7.541 105.7 7.3 15.1
2000 03 27 16 27.67 +39 05.3 7.143 7.549 110.4 7.1 15.0
2000 04 06 16 22.57 +39 29.9 7.086 7.558 114.6 6.9 15.0
2000 04 16 16 16.40 +39 46.8 7.043 7.566 118.0 6.7 15.0
2000 04 26 16 09.35 +39 53.6 7.018 7.576 120.3 6.6 15.0
2000 05 06 16 01.69 +39 48.3 7.011 7.586 121.4 6.5 15.0
2000 05 16 15 53.73 +39 29.6 7.023 7.596 121.2 6.5 15.0
2000 05 26 15 45.81 +38 57.0 7.056 7.607 119.6 6.7 15.1
Brian G. Marsden (C) Copyright 1999 MPC M.P.E.C. 1999-K08
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