MPEC 1999-L10: COMET C/1999 F2
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M.P.E.C. 1999-L10 Issued 1999 June 8, 15:07 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 F2
Observations:
CJ99F020 C1998 06 18.15605 12 06 51.99 -16 53 30.5 17.7 T 704
CJ99F020 C1998 06 18.16779 12 06 52.46 -16 53 25.3 17.7 T 704
CJ99F020 C1998 06 18.17954 12 06 52.71 -16 53 19.2 17.7 T 704
CJ99F020 C1998 06 18.19128 12 06 52.99 -16 53 12.1 17.7 T 704
CJ99F020 C1999 02 23.48143 15 30 33.63 -03 50 26.5 18.6 T 704
CJ99F020 C1999 02 23.49018 15 30 33.85 -03 50 23.7 18.9 T 704
CJ99F020 C1999 02 23.50784 15 30 33.92 -03 50 08.9 18.3 T 704
CJ99F020 C1999 03 20.44702 15 33 02.60 +00 13 29.7 15.5 T 705
CJ99F020 C1999 03 20.45034 15 33 02.58 +00 13 31.8 15.5 T 705
CJ99F020 C1999 03 24.33179 15 32 41.71 +00 54 49.6 17.9 T 704
CJ99F020 C1999 03 24.34212 15 32 41.59 +00 54 56.6 18.7 T 704
CJ99F020 C1999 03 24.35247 15 32 41.61 +00 55 05.6 17.6 T 704
CJ99F020 C1999 03 24.36283 15 32 41.39 +00 55 13.1 17.6 T 704
CJ99F020 C1999 03 28.44567 15 32 06.93 +01 39 09.5 15.3 T 699
CJ99F020 C1999 03 28.46095 15 32 06.80 +01 39 19.6 15.6 T 699
CJ99F020 C1999 03 28.47623 15 32 06.65 +01 39 29.4 15.4 T 699
CJ99F020 C1999 05 12.29144 15 16 02.30 +09 10 39.8 18.5 T 704
CJ99F020 C1999 05 12.30439 15 16 01.69 +09 10 48.6 18.9 T 704
CJ99F020 C1999 05 12.31736 15 16 01.54 +09 10 57.9 18.1 T 704
CJ99F020 C1999 06 07.92247 15 05 12.38 +11 57 24.8 046
CJ99F020 C1999 06 07.96252 15 05 11.59 +11 57 35.1 16 T 046
CJ99F020 C1999 06 07.96521 15 05 11.57 +11 57 36.1 046
CJ99F020 C1999 06 07.96639 15 05 11.58 +11 57 36.2 046
CJ99F020 C1999 06 08.16484 15 05 07.76 +11 58 26.3 15.7 T 713
CJ99F020 C1999 06 08.18653 15 05 07.35 +11 58 34.1 15.4 T 713
CJ99F020 C1999 06 08.21285 15 05 06.85 +11 58 39.1 15.4 T 713
CJ99F020 C1999 06 08.28291 15 05 05.36 +11 58 57.7 711
CJ99F020 C1999 06 08.28566 15 05 05.34 +11 58 58.7 711
CJ99F020 C1999 06 08.29464 15 05 05.16 +11 59 00.7 711
Observer details:
046 Klet. Observers M. Tichy, Z. Moravec. Measurer M. Tichy. 0.57-m f/5.2
reflector + CCD.
699 Lowell Observatory-LONEOS. Observer M. E. Van Ness. Measurer B. W. Koehn.
0.59-m LONEOS Schmidt + CCD.
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.
705 Apache Point. Measurers J. Dalcanton, S. Kent. 2.5-m Sloan Digital Sky
Survey reflector + CCD.
711 McDonald Observatory. Observer J. G. Ries. 0.76-m reflector + CCD.
713 Thornton. Observer R. A. Koff. 0.20-m f/10 Schmidt-Cassegrain + CCD.
Orbital elements:
C/1999 F2
Epoch 1998 Aug. 15.0 TT = JDT 2451040.5
T 1998 Aug. 23.98244 TT Williams
q 4.7187599 (2000.0) P Q
z +0.0003061 Peri. 352.39266 -0.89276626 +0.16225255
+/-0.0000088 Node 210.29618 -0.35689464 -0.82403772
e 0.9985554 Incl. 56.42150 -0.27494474 +0.54280378
From 27 observations 1998 June 18-1999 June 8, mean residual 1".02.
Ephemeris:
C/1999 F2
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
1999 06 02 15 07.27 +11 29.3 4.397 5.212 139.7 7.2 15.4
1999 06 12 15 03.95 +12 13.8 4.516 5.245 131.6 8.3 15.5
1999 06 22 15 01.54 +12 44.3 4.654 5.279 123.2 9.3 15.6
1999 07 02 15 00.17 +13 02.1 4.807 5.314 114.8 10.0 15.7
1999 07 12 14 59.90 +13 09.0 4.972 5.350 106.5 10.5 15.8
1999 07 22 15 00.74 +13 06.8 5.143 5.386 98.4 10.8 15.9
1999 08 01 15 02.67 +12 57.6 5.318 5.423 90.5 10.8 16.0
1999 08 11 15 05.63 +12 43.1 5.493 5.461 82.9 10.6 16.1
1999 08 21 15 09.54 +12 25.1 5.665 5.500 75.5 10.3 16.2
1999 08 31 15 14.31 +12 05.1 5.830 5.539 68.4 9.8 16.3
1999 09 10 15 19.85 +11 44.5 5.988 5.579 61.6 9.1 16.4
1999 09 20 15 26.09 +11 24.6 6.134 5.620 55.1 8.4 16.4
Gareth V. Williams (C) Copyright 1999 MPC M.P.E.C. 1999-L10
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