MPEC 1999-H33: COMET C/1999 H1 (LEE)
The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.
Read MPEC 1999-H32
Read MPEC 1999-H34
M.P.E.C. 1999-H33 Issued 1999 Apr. 27, 13:46 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 19.36876 13 02 37.53 -67 36 51.7 9.3 T 428
CJ99H010 C1999 04 19.36996 13 02 36.34 -67 36 49.7 9.1 T 428
CJ99H010 C1999 04 19.37067 13 02 35.61 -67 36 48.9 9.2 T 428
CJ99H010 C1999 04 19.46048 13 01 02.37 -67 34 19.7 12.9 N 426
CJ99H010 C1999 04 19.46301 13 00 59.75 -67 34 15.5 12.9 N 426
CJ99H010 C1999 04 19.46663 13 00 55.98 -67 34 09.3 12.8 N 426
CJ99H010 C1999 04 19.46958 13 00 52.93 -67 34 04.3 12.8 N 426
CJ99H010 C1999 04 19.47087 13 00 50.76 -67 34 02.5 423
CJ99H010 C1999 04 19.50323 13 00 17.46 -67 33 08.4 13.9 N 422
CJ99H010 C1999 04 19.50363 13 00 17.04 -67 33 07.7 13.8 N 422
CJ99H010 C1999 04 19.50427 13 00 16.35 -67 33 06.6 13.8 N 422
CJ99H010 C1999 04 19.51409 13 00 05.77 -67 32 47.4 423
CJ99H010 C1999 04 19.96417 12 52 20.53 -67 18 56.1 10.5 T 860
CJ99H010 C1999 04 19.97520 12 52 08.81 -67 18 34.4 10.2 T 860
CJ99H010 C1999 04 19.98083 12 52 02.87 -67 18 24.0 10.2 T 860
CJ99H010 C1999 04 19.98632 12 51 57.01 -67 18 12.2 10.1 T 860
CJ99H010 C1999 04 20.00032 12 51 42.12 -67 17 44.6 10.5 T 860
CJ99H010 C1999 04 20.00807 12 51 33.99 -67 17 29.6 10.0 T 860
CJ99H010 C1999 04 20.49490 12 43 10.91 -67 00 13.1 423
CJ99H010 C1999 04 20.53376 12 42 30.66 -66 58 45.8 423
CJ99H010 C1999 04 21.44912 12 26 54.60 -66 19 55.1 9.3 T 428
CJ99H010 C1999 04 21.44912 12 26 54.60 -66 19 55.1 9.3 T 428
CJ99H010 C1999 04 21.44979 12 26 53.90 -66 19 53.3 9.3 T 428
CJ99H010 C1999 04 21.44979 12 26 53.90 -66 19 53.3 9.3 T 428
CJ99H010 C1999 04 21.45045 12 26 53.25 -66 19 51.7 9.4 T 428
CJ99H010 C1999 04 21.45045 12 26 53.25 -66 19 51.7 9.4 T 428
CJ99H010 C1999 04 22.43958 12 10 23.12 -65 28 55.2 13.7 N 430
CJ99H010 C1999 04 22.45139 12 10 11.37 -65 28 15.4 13.6 N 430
CJ99H010 C1999 04 23.99623 11 45 36.19 -63 49 46.3 844
CJ99H010 C1999 04 24.00697 11 45 26.10 -63 49 01.2 844
CJ99H010 C1999 04 24.02075 11 45 13.33 -63 48 02.8 844
CJ99H010 C1999 04 24.05216 11 44 44.23 -63 45 47.8 844
CJ99H010 C1999 04 24.06034 11 44 36.69 -63 45 13.2 844
CJ99H010 C1999 04 24.37569 11 39 50.51 -63 22 07.8 13.3 N 430
CJ99H010 C1999 04 24.45278 11 38 40.36 -63 16 22.8 13.3 N 430
CJ99H010 C1999 04 26.41329 11 10 59.39 -60 31 28.2 426
CJ99H010 C1999 04 26.41565 11 10 57.48 -60 31 15.1 426
CJ99H010 C1999 04 26.41862 11 10 55.13 -60 30 58.6 426
CJ99H010 C1999 04 26.42241 11 10 52.08 -60 30 37.6 12.4 N 426
Observer details:
422 Loomberah. Observer G. J. Garradd. 0.25-m f/4.1 reflector + CCD.
423 North Ryde. Observer S. G. McAndrew. 0.20-m hyperbolic astrograph + CCD.
426 Woomera. Observer F. B. Zoltowski. 0.30-m f/3.3 Schmidt-Cassegrain + 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.
844 Los Molinos. Observers J. C. Tulic, E. Acosta. 0.35-m f/6.4 reflector
+ CCD.
860 Valinhos. Observer P. R. Holvorcem. 0.20-m f/3.3 reflector + CCD.
Orbital elements:
C/1999 H1 (Lee)
T 1999 July 11.1735 TT Williams
q 0.708563 (2000.0) P Q
Peri. 40.6354 -0.5568168 +0.8165627
Node 162.6176 +0.5665939 +0.2393492
e 1.0 Incl. 149.3607 +0.6073932 +0.5252973
From 82 observations 1999 Apr. 16-26.
Ephemeris:
C/1999 H1 (Lee)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
1999 04 22 12 17.66 -65 52.7 0.844 1.630 123.5 30.9 8.8
1999 04 27 11 03.38 -59 35.7 0.770 1.559 122.1 33.2 8.4
1999 05 02 10 10.98 -50 03.6 0.728 1.486 116.9 37.2 8.0
1999 05 07 09 36.64 -38 48.5 0.722 1.414 108.5 42.6 7.8
1999 05 12 09 14.07 -27 31.1 0.750 1.342 98.3 48.1 7.7
1999 05 17 08 58.79 -17 22.4 0.807 1.270 87.8 52.7 7.6
1999 05 22 08 48.07 -08 49.7 0.885 1.199 78.0 55.7 7.5
1999 05 27 08 40.21 -01 49.6 0.977 1.128 69.0 57.0 7.5
1999 06 01 08 34.15 +03 53.8 1.075 1.059 60.8 56.7 7.4
1999 06 06 08 29.20 +08 37.9 1.176 0.992 53.3 55.0 7.3
1999 06 11 08 24.87 +12 37.5 1.275 0.929 46.1 52.0 7.2
1999 06 16 08 20.79 +16 04.2 1.370 0.870 39.4 47.8 7.1
1999 06 21 08 16.68 +19 06.5 1.457 0.817 32.8 42.4 6.9
1999 08 10 07 15.51 +40 15.3 1.525 0.924 36.1 40.2 7.6
1999 08 15 07 06.59 +42 14.3 1.454 0.988 42.7 44.1 7.8
1999 08 20 06 56.11 +44 22.5 1.376 1.054 49.6 47.0 7.9
1999 08 25 06 43.22 +46 42.8 1.292 1.123 56.8 48.9 8.1
1999 08 30 06 26.64 +49 17.0 1.205 1.194 64.5 49.8 8.2
1999 09 04 06 04.46 +52 04.6 1.119 1.265 72.8 49.6 8.3
1999 09 09 05 33.75 +54 58.2 1.035 1.337 81.8 48.2 8.3
1999 09 14 04 50.63 +57 36.7 0.958 1.409 91.6 45.5 8.4
1999 09 19 03 52.05 +59 14.7 0.895 1.481 102.3 41.5 8.5
1999 09 24 02 41.09 +58 45.9 0.850 1.553 113.7 36.3 8.6
1999 09 29 01 30.46 +55 24.4 0.829 1.625 124.9 30.4 8.7
1999 10 04 00 32.78 +49 34.2 0.838 1.697 134.5 24.9 8.9
1999 10 09 23 51.03 +42 29.9 0.877 1.768 140.8 20.9 9.2
1999 10 14 23 22.15 +35 23.6 0.944 1.838 142.3 19.4 9.5
1999 10 19 23 02.32 +28 58.3 1.036 1.908 139.8 19.7 9.9
1999 10 24 22 48.65 +23 29.8 1.146 1.978 134.8 20.9 10.3
1999 10 29 22 39.22 +18 57.8 1.271 2.047 128.9 22.2 10.6
1999 11 03 22 32.78 +15 15.7 1.407 2.115 122.7 23.2 11.0
1999 11 08 22 28.53 +12 15.0 1.552 2.183 116.6 23.9 11.3
1999 11 13 22 25.90 +09 48.0 1.701 2.251 110.7 24.3 11.7
1999 11 18 22 24.52 +07 48.3 1.855 2.317 105.0 24.3 12.0
1999 11 23 22 24.09 +06 10.6 2.012 2.384 99.6 24.1 12.3
1999 11 28 22 24.41 +04 50.7 2.170 2.450 94.3 23.7 12.6
1999 12 03 22 25.34 +03 45.3 2.328 2.515 89.2 23.1 12.8
1999 12 08 22 26.77 +02 52.0 2.486 2.580 84.2 22.3 13.1
1999 12 13 22 28.60 +02 08.7 2.642 2.644 79.3 21.5 13.3
1999 12 18 22 30.75 +01 33.8 2.797 2.708 74.6 20.5 13.6
1999 12 23 22 33.17 +01 05.9 2.950 2.771 69.9 19.5 13.8
1999 12 28 22 35.81 +00 44.0 3.099 2.834 65.4 18.4 14.0
2000 01 02 22 38.63 +00 27.1 3.245 2.896 60.8 17.2 14.2
2000 01 07 22 41.61 +00 14.7 3.387 2.958 56.4 16.1 14.4
Gareth V. Williams (C) Copyright 1999 MPC M.P.E.C. 1999-H33
Read MPEC 1999-H32
Read MPEC 1999-H34
Our Web policy. Index to the CBAT/MPC/ICQ pages.
