MPEC 1999-D25 : COMET P/1999 D1 (HERMANN)
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M.P.E.C. 1999-D25 Issued 1999 Feb. 26, 23:20 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 P/1999 D1 (HERMANN)
Observations:
PJ99D010 C1999 02 15.68922 12 17 21.73 +05 27 20.6 18.5 T 411
PJ99D010 C1999 02 20.40541 12 15 00.34 +03 20 24.3 18.4 T 699
PJ99D010 C1999 02 20.42580 12 14 59.55 +03 19 50.7 699
PJ99D010 C1999 02 20.44621 12 14 58.73 +03 19 16.0 699
PJ99D010 C1999 02 20.94853 12 14 40.52 +03 05 28.0 557
PJ99D010 C1999 02 20.95084 12 14 40.40 +03 05 24.8 557
PJ99D010 C1999 02 20.95317 12 14 40.29 +03 05 19.8 557
PJ99D010 C1999 02 20.95551 12 14 40.17 +03 05 16.4 557
PJ99D010 C1999 02 20.95784 12 14 40.03 +03 05 13.2 557
PJ99D010 C1999 02 20.96249 12 14 39.90 +03 05 04.8 557
PJ99D010 C1999 02 21.50550 12 14 18.40 +02 50 13.0 20.2 N 691
PJ99D010 C1999 02 21.51114 12 14 18.13 +02 50 03.7 17.9 T 691
PJ99D010 C1999 02 21.51682 12 14 17.89 +02 49 54.1 17.9 T 691
PJ99D010 C1999 02 21.70847 12 14 10.74 +02 44 37.9 897
PJ99D010 C1999 02 21.71693 12 14 10.36 +02 44 24.7 17.3 T 897
PJ99D010 C1999 02 21.72318 12 14 10.06 +02 44 14.1 897
PJ99D010 1999 02 21.72361 12 14 10.00 +02 44 12.8 19.1 T 372
PJ99D010 C1999 02 21.72999 12 14 09.80 +02 44 02.1 17.2 T 897
PJ99D010 1999 02 21.74271 12 14 09.33 +02 43 44.8 19.1 T 372
PJ99D010 C1999 02 22.09322 12 13 55.80 +02 34 12.0 17.3 T 859
PJ99D010 C1999 02 22.10294 12 13 55.39 +02 33 56.2 17.4 T 859
PJ99D010 C1999 02 22.12682 12 13 54.35 +02 33 17.2 17.4 T 859
PJ99D010 C1999 02 22.38877 12 13 43.15 +02 25 53.1 711
PJ99D010 C1999 02 22.39421 12 13 42.90 +02 25 44.1 711
PJ99D010 C1999 02 22.39977 12 13 42.65 +02 25 34.8 711
PJ99D010 C1999 02 22.61012 12 13 34.43 +02 19 44.0 17.5 T 402
PJ99D010 C1999 02 22.63403 12 13 33.24 +02 19 05.5 402
PJ99D010 C1999 02 22.63536 12 13 33.09 +02 19 02.6 17.3 T 355
PJ99D010 C1999 02 22.63839 12 13 33.08 +02 18 57.8 402
PJ99D010 C1999 02 22.63905 12 13 33.00 +02 18 56.5 355
PJ99D010 C1999 02 22.64268 12 13 32.81 +02 18 50.1 355
PJ99D010 1999 02 22.66111 12 13 32.06 +02 18 21.1 18.2 T 372
PJ99D010 1999 02 22.74653 12 13 28.15 +02 15 58.6 372
PJ99D010 C1999 02 23.02413 12 13 16.53 +02 08 14.7 17.2 T 118
PJ99D010 C1999 02 23.02909 12 13 16.28 +02 08 06.9 118
PJ99D010 C1999 02 23.05532 12 13 14.98 +02 07 23.2 118
PJ99D010 C1999 02 23.58341 12 12 52.28 +01 52 46.2 411
PJ99D010 C1999 02 23.58929 12 12 52.10 +01 52 35.5 411
PJ99D010 C1999 02 23.59517 12 12 51.74 +01 52 25.2 411
PJ99D010 C1999 02 24.03354 12 12 31.72 +01 40 12.9 18.6 T 120
PJ99D010 C1999 02 24.03584 12 12 31.64 +01 40 08.9 120
PJ99D010 C1999 02 24.03833 12 12 31.49 +01 40 04.4 120
PJ99D010 C1999 02 24.04089 12 12 31.38 +01 40 00.5 120
PJ99D010 1999 02 24.74931 12 11 58.47 +01 20 19.5 18.1 T 372
PJ99D010 1999 02 24.76806 12 11 57.46 +01 19 47.1 18.1 T 372
PJ99D010 C1999 02 24.91112 12 11 51.41 +01 15 45.3 17.3 T 046
PJ99D010 C1999 02 24.91488 12 11 51.20 +01 15 38.6 046
PJ99D010 C1999 02 24.91672 12 11 51.13 +01 15 35.9 046
PJ99D010 C1999 02 24.92036 12 11 50.90 +01 15 30.6 046
PJ99D010 C1999 02 25.00519 12 11 46.59 +01 13 05.8 118
PJ99D010 C1999 02 25.00933 12 11 46.30 +01 12 59.3 118
PJ99D010 C1999 02 25.01190 12 11 46.12 +01 12 55.7 118
PJ99D010 C1999 02 25.57882 12 11 19.16 +00 57 06.2 18.0 T 402
PJ99D010 C1999 02 25.58134 12 11 18.99 +00 57 01.8 402
PJ99D010 C1999 02 25.58387 12 11 18.83 +00 56 57.6 402
Observer details:
046 Klet. Observers M. Tichy, Z. Moravec. 0.57-m f/5.2 reflector + CCD.
118 Modra. Observers L. Kornos, J. Toth. 0.6-m f/5.5 reflector + CCD.
120 Visnjan. Observers K. Korlevic, M. Juric. 0.41-m f/4.3 reflector + CCD.
355 Hadano. Observer A. Asami. 0.28-m f/5.0 reflector + CCD.
372 Geisei. Observer T. Seki. 0.60-m f/3.5 reflector.
402 Dynic. Observer A. Sugie. 0.60-m f/3.7 reflector + CCD.
411 Oizumi. Observer T. Kobayashi. 0.41-m f/4.3 reflector + CCD.
Prediscovery observation on Feb. 15.
557 Ondrejov. Observer P. Pravec. 0.65-m f/3.6 reflector + CCD.
691 Steward Observatory, Kitt Peak. Observer J. V. Scotti. 0.9-m
Spacewatch telescope.
699 Lowell Observatory-LONEOS. Observer S. M. Hermann. Measurer
B. W. Koehn. 0.59-m LONEOS Schmidt + CCD.
711 McDonald Observatory. Observers P. J. Shelus, J. G. Ries,
J. L. Africano. 0.76-m reflector + CCD.
859 Serra da Piedade. Observer C. Jacques. 0.3-m f/3.3 Schmidt-Cassegrain.
897 Chiyoda. Observer T. Kojima. 0.25-m f/6.0 reflector + CCD.
Orbital elements:
P/1999 D1 (Hermann)
T 1999 Feb. 18.098 TT Marsden
q 1.65132 (2000.0) P Q
n 0.073625 Peri. 173.132 -0.955140 -0.288347
a 5.63792 Node 349.348 +0.251360 -0.668694
e 0.70710 Incl. 21.434 +0.156605 -0.685350
P 13.4
From 53 observations 1999 Feb. 15-25.
Ephemeris:
P/1999 D1 (Hermann)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
1999 02 21 12 14.64 +03 04.2 0.721 1.652 149.5 17.7 16.5
1999 02 26 12 10.96 +00 45.5 0.704 1.654 154.7 14.8 16.4
1999 03 03 12 06.36 -01 35.1 0.692 1.658 159.9 11.9 16.4
1999 03 08 12 01.00 -03 55.1 0.685 1.664 164.8 9.0 16.4
1999 03 13 11 55.14 -06 11.5 0.685 1.671 168.8 6.6 16.4
1999 03 18 11 49.05 -08 21.6 0.691 1.681 170.4 5.6 16.5
1999 03 23 11 43.06 -10 23.2 0.704 1.692 168.7 6.6 16.5
1999 03 28 11 37.47 -12 14.6 0.722 1.705 164.8 8.8 16.6
1999 04 02 11 32.52 -13 54.9 0.746 1.720 160.2 11.3 16.7
1999 04 07 11 28.39 -15 24.2 0.775 1.736 155.5 13.8 16.8
1999 04 12 11 25.22 -16 42.9 0.809 1.754 150.8 16.2 17.0
1999 04 17 11 23.09 -17 51.9 0.848 1.773 146.3 18.3 17.1
1999 04 22 11 22.04 -18 52.6 0.891 1.794 142.1 20.2 17.3
1999 04 27 11 22.04 -19 46.5 0.938 1.816 138.0 21.8 17.5
1999 05 02 11 23.05 -20 34.7 0.989 1.839 134.2 23.1 17.6
1999 05 07 11 24.99 -21 18.4 1.043 1.863 130.5 24.3 17.8
1999 05 12 11 27.78 -21 58.5 1.100 1.889 127.1 25.3 18.0
1999 05 17 11 31.36 -22 36.0 1.159 1.915 123.7 26.0 18.1
1999 05 22 11 35.65 -23 11.6 1.222 1.943 120.6 26.7 18.3
1999 05 27 11 40.58 -23 45.8 1.286 1.971 117.5 27.1 18.5
1999 06 01 11 46.07 -24 19.2 1.353 2.000 114.6 27.4 18.7
1999 06 06 11 52.04 -24 51.9 1.423 2.030 111.7 27.7 18.8
1999 06 11 11 58.46 -25 24.2 1.494 2.061 108.9 27.8 19.0
1999 06 16 12 05.26 -25 56.3 1.567 2.092 106.2 27.8 19.2
1999 06 21 12 12.42 -26 28.4 1.642 2.124 103.5 27.7 19.3
1999 06 26 12 19.87 -27 00.6 1.719 2.156 100.9 27.6 19.5
1999 07 01 12 27.59 -27 32.8 1.798 2.189 98.3 27.4 19.7
1999 07 06 12 35.55 -28 05.0 1.877 2.222 95.7 27.1 19.8
1999 07 11 12 43.71 -28 37.2 1.959 2.256 93.2 26.7 20.0
1999 07 16 12 52.07 -29 09.4 2.041 2.290 90.6 26.3 20.1
1999 07 21 13 00.59 -29 41.6 2.125 2.325 88.1 25.9 20.3
1999 07 26 13 09.27 -30 13.6 2.209 2.359 85.6 25.4 20.4
1999 07 31 13 18.07 -30 45.5 2.295 2.394 83.1 24.9 20.6
1999 08 05 13 26.99 -31 17.1 2.381 2.429 80.5 24.3 20.7
1999 08 10 13 36.03 -31 48.3 2.467 2.465 78.0 23.7 20.9
Brian G. Marsden (C) Copyright 1999 MPC M.P.E.C. 1999-D25
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