MPEC 1999-H06: COMET C/1999 H1 (LEE)
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M.P.E.C. 1999-H06 Issued 1999 Apr. 19, 19:35 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 H1 (LEE)
Observations:
CJ99H010 C1999 04 16.59549 13 49 24.64 -68 21 33.6 14.0 N 422
CJ99H010 C1999 04 16.59650 13 49 23.58 -68 21 33.3 13.9 N 422
CJ99H010 C1999 04 16.59941 13 49 20.80 -68 21 32.3 14.2 N 422
CJ99H010 C1999 04 16.61689 13 49 03.53 -68 21 26.4 14.2 N 422
CJ99H010 C1999 04 16.61777 13 49 02.67 -68 21 26.0 14.0 N 422
CJ99H010 C1999 04 16.61839 13 49 02.14 -68 21 25.7 13.9 N 422
CJ99H010 C1999 04 16.77635 13 46 26.62 -68 20 21.9 13.9 N 422
CJ99H010 C1999 04 16.77679 13 46 26.17 -68 20 21.8 13.9 N 422
CJ99H010 C1999 04 16.77727 13 46 25.66 -68 20 21.6 13.9 N 422
CJ99H010 C1999 04 17.57644 13 33 12.48 -68 12 39.9 427
CJ99H010 C1999 04 17.57783 13 33 11.07 -68 12 38.9 427
CJ99H010 C1999 04 17.57922 13 33 09.69 -68 12 37.8 427
CJ99H010 C1999 04 17.58101 13 33 07.89 -68 12 36.4 427
CJ99H010 C1999 04 17.59843 13 32 50.27 -68 12 23.1 427
CJ99H010 C1999 04 17.60828 13 32 40.17 -68 12 14.8 427
CJ99H010 C1999 04 17.61129 13 32 37.11 -68 12 12.6 427
CJ99H010 C1999 04 17.63154 13 32 16.62 -68 11 56.6 427
CJ99H010 C1999 04 17.63351 13 32 14.57 -68 11 55.2 427
CJ99H010 C1999 04 17.65347 13 31 54.34 -68 11 39.8 13.1 N 426
CJ99H010 C1999 04 17.65748 13 31 50.22 -68 11 36.5 13.0 N 426
CJ99H010 C1999 04 17.66308 13 31 44.56 -68 11 32.1 13.0 N 426
CJ99H010 C1999 04 17.66996 13 31 37.60 -68 11 26.6 13.0 N 426
CJ99H010 C1999 04 17.98156 13 26 23.61 -68 06 50.5 10.6 T 860
CJ99H010 C1999 04 17.99127 13 26 13.56 -68 06 40.9 10.5 T 860
CJ99H010 C1999 04 18.00031 13 26 04.23 -68 06 32.6 10.5 T 860
CJ99H010 C1999 04 18.00573 13 25 58.59 -68 06 27.6 10.5 T 860
CJ99H010 C1999 04 18.01460 13 25 49.44 -68 06 19.4 10.6 T 860
CJ99H010 C1999 04 18.07109 13 24 51.49 -68 05 27.7 13.6 N 859
CJ99H010 C1999 04 18.07287 13 24 49.74 -68 05 26.2 13.6 N 859
CJ99H010 C1999 04 18.07419 13 24 48.35 -68 05 24.7 13.7 N 859
CJ99H010 C1999 04 18.07697 13 24 45.47 -68 05 22.2 13.8 N 859
CJ99H010 C1999 04 18.07778 13 24 44.64 -68 05 21.6 13.8 N 859
CJ99H010 C1999 04 18.07861 13 24 43.79 -68 05 20.7 13.7 N 859
CJ99H010 C1999 04 18.07932 13 24 43.07 -68 05 19.9 13.8 N 859
CJ99H010 C1999 04 18.42188 13 18 53.96 -67 59 04.5 13.9 N 430
CJ99H010 C1999 04 18.46632 13 18 08.07 -67 58 13.7 13.6 N 430
CJ99H010 C1999 04 18.48174 13 17 52.17 -67 57 56.2 9.1 T 428
CJ99H010 C1999 04 18.48248 13 17 51.41 -67 57 55.7 9.1 T 428
CJ99H010 C1999 04 18.48326 13 17 50.65 -67 57 54.8 9.1 T 428
CJ99H010 C1999 04 18.48865 13 17 45.29 -67 57 46.8 12.9 N 426
CJ99H010 C1999 04 18.49168 13 17 42.17 -67 57 43.1 12.9 N 426
CJ99H010 C1999 04 18.49377 13 17 39.97 -67 57 40.9 12.9 N 426
CJ99H010 C1999 04 18.49643 13 17 37.25 -67 57 37.5 12.8 N 426
Observer details:
422 Loomberah. Observer G. J. Garradd. 0.45-m f/5.4 reflector + CCD.
426 Woomera. Observer F. B. Zoltowski. 0.30-m f/3.3 Schmidt-Cassegrain + CCD.
427 Stockport. Observers R. Purvinskis, I. B. Anderson. 0.5-m f/5
reflector + CCD.
428 Reedy Creek. Observer J. Broughton. 0.25-m f/6.3 Schmidt-Cassegrain
+ CCD.
430 Rainbow Observatory, near Coonabarabran. Observer S. Lee.
0.30-m f/5 reflector + CCD.
859 Serra da Piedade. Observer C. Jacques. 0.3-m f/3.3 Schimdt-Cassegrain
+ CCD.
860 Valinhos. Observer P. R. Holvorcem. 0.20-m f/3.3 reflector + CCD.
Orbital elements:
C/1999 H1 (Lee)
T 1999 July 11.421 TT Marsden
q 0.71496 (2000.0) P Q
Peri. 39.678 -0.561511 +0.812429
Node 161.967 +0.569769 +0.241978
e 1.0 Incl. 149.515 +0.600057 +0.530477
From 43 observations 1999 Apr. 16-18.
Ephemeris:
C/1999 H1 (Lee)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
1999 04 12 14 55.62 -67 47.4 1.062 1.775 118.5 29.7 9.6
1999 04 14 14 29.08 -68 15.0 1.014 1.747 120.0 29.8 9.5
1999 04 16 13 58.98 -68 23.6 0.967 1.718 121.4 29.9 9.3
1999 04 18 13 26.07 -68 06.5 0.924 1.690 122.4 30.1 9.1
1999 04 20 12 51.73 -67 17.7 0.884 1.662 123.2 30.4 8.9
1999 04 22 12 17.71 -65 52.8 0.847 1.633 123.5 30.9 8.8
1999 04 24 11 45.64 -63 49.9 0.814 1.604 123.4 31.6 8.6
1999 04 26 11 16.67 -61 09.9 0.786 1.576 122.7 32.5 8.5
1999 04 28 10 51.33 -57 56.1 0.762 1.547 121.4 33.7 8.3
1999 04 30 10 29.62 -54 13.2 0.744 1.518 119.5 35.3 8.2
1999 05 02 10 11.23 -50 07.3 0.732 1.490 117.0 37.1 8.1
1999 05 04 09 55.73 -45 45.0 0.725 1.461 113.9 39.1 7.9
1999 05 06 09 42.69 -41 13.2 0.724 1.432 110.4 41.3 7.9
1999 05 08 09 31.68 -36 38.3 0.729 1.403 106.6 43.6 7.8
1999 05 10 09 22.35 -32 06.2 0.739 1.375 102.6 45.8 7.7
1999 05 12 09 14.41 -27 41.9 0.754 1.346 98.4 47.9 7.7
1999 05 14 09 07.62 -23 29.0 0.774 1.317 94.2 49.9 7.6
1999 05 16 09 01.78 -19 29.9 0.798 1.289 90.1 51.7 7.6
1999 05 18 08 56.73 -15 46.1 0.826 1.260 86.0 53.2 7.6
1999 05 20 08 52.33 -12 17.9 0.856 1.232 82.0 54.4 7.6
1999 05 22 08 48.47 -09 05.2 0.889 1.203 78.2 55.4 7.5
1999 05 24 08 45.06 -06 07.4 0.925 1.175 74.5 56.1 7.5
1999 05 26 08 42.03 -03 23.4 0.962 1.147 71.0 56.6 7.5
1999 05 28 08 39.31 -00 52.2 1.000 1.119 67.6 56.8 7.5
1999 05 30 08 36.85 +01 27.4 1.039 1.092 64.3 56.7 7.5
1999 06 01 08 34.61 +03 36.5 1.079 1.065 61.1 56.5 7.4
1999 06 03 08 32.55 +05 36.1 1.119 1.038 58.0 55.9 7.4
1999 06 05 08 30.63 +07 27.4 1.159 1.011 55.0 55.2 7.4
1999 06 07 08 28.82 +09 11.2 1.200 0.985 52.0 54.3 7.3
1999 06 09 08 27.10 +10 48.3 1.239 0.960 49.2 53.1 7.3
1999 06 11 08 25.44 +12 19.5 1.279 0.935 46.4 51.8 7.2
1999 06 13 08 23.82 +13 45.4 1.318 0.911 43.6 50.3 7.2
1999 06 15 08 22.23 +15 06.8 1.355 0.888 40.9 48.5 7.1
1999 06 17 08 20.65 +16 24.0 1.392 0.866 38.3 46.6 7.1
1999 06 19 08 19.05 +17 37.6 1.427 0.844 35.7 44.5 7.0
1999 06 21 08 17.43 +18 48.0 1.461 0.824 33.1 42.3 7.0
Brian G. Marsden (C) Copyright 1999 MPC M.P.E.C. 1999-H06
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