MPEC 1999-J39: COMET P/1999 DN3
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M.P.E.C. 1999-J39 Issued 1999 May 14, 17:30 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 DN3
Observations:
PJ99D03N C1999 02 18.97279 13 02 10.41 -06 47 52.8 18.7 N 120
PJ99D03N C1999 02 19.02657 13 02 09.53 -06 47 58.4 120
PJ99D03N C1999 02 19.05759 13 02 09.11 -06 47 59.6 120
PJ99D03N C1999 02 24.05181 13 00 27.27 -06 55 13.6 18.6 N 120
PJ99D03N C1999 02 24.09154 13 00 26.42 -06 55 18.0 120
PJ99D03N C1999 04 06.25385 12 35 35.76 -06 54 06.3 18.0 N 704
PJ99D03N C1999 04 06.26761 12 35 35.13 -06 54 05.3 18.2 N 704
PJ99D03N C1999 04 06.28152 12 35 34.52 -06 54 05.2 18.7 N 704
PJ99D03N C1999 04 06.29579 12 35 33.98 -06 54 04.9 19.5 N 704
PJ99D03N C1999 04 06.31090 12 35 33.31 -06 54 03.9 19.3 N 704
PJ99D03N C1999 04 10.21479 12 32 52.47 -06 50 53.7 17.6 N 699
PJ99D03N C1999 04 10.24024 12 32 51.38 -06 50 52.2 699
PJ99D03N C1999 04 10.26576 12 32 50.35 -06 50 51.6 699
PJ99D03N C1999 04 14.33042 12 30 07.70 -06 47 38.3 18.3 N 704
PJ99D03N C1999 04 14.34004 12 30 07.30 -06 47 37.1 18.3 N 704
PJ99D03N C1999 04 14.35992 12 30 06.57 -06 47 36.2 18.6 N 704
PJ99D03N C1999 05 14.16378 12 15 41.43 -06 40 56.8 18.7 N 734
PJ99D03N C1999 05 14.17025 12 15 41.41 -06 40 53.4 719
PJ99D03N C1999 05 14.18104 12 15 41.21 -06 40 56.0 18.9 N 734
PJ99D03N C1999 05 14.18435 12 15 41.10 -06 40 56.3 18.9 N 734
PJ99D03N C1999 05 14.21503 12 15 40.34 -06 40 59.5 719
Observer details:
120 Visnjan. Observers K. Korlevic, M. Juric. 0.41-m f/4.3 reflector + CCD.
699 Lowell Observatory-LONEOS. Observer B. A. Skiff. 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.
719 Etscorn Observatory. Observers D. A. Klinglesmith III, R. Huber. 0.355-m
Schmidt-Cassegrain + CCD.
734 Farpoint Observatory. Observer G. Hug. 0.30-m Schmidt-Cassegrain + CCD.
Orbital elements:
P/1999 DN3
Epoch 1998 Sept. 24.0 TT = JDT 2451080.5
T 1998 Sept. 27.09930 TT Williams
q 3.9097378 (2000.0) P Q
n 0.10255485 Peri. 160.81307 -0.97167274 -0.23395833
a 4.5202792 Node 5.96347 +0.15192587 -0.72662993
e 0.1350672 Incl. 18.75267 +0.18102655 -0.64596628
P 9.61
From 20 observations 1999 Feb. 18-May 14, mean residual 0".85.
Ephemeris:
P/1999 DN3
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
1999 05 12 12 16.32 -06 39.8 3.193 3.975 135.4 10.3 18.2
1999 05 22 12 14.05 -06 47.7 3.310 3.981 125.3 12.0 18.3
1999 06 01 12 13.41 -07 02.9 3.442 3.987 115.7 13.3 18.5
1999 06 11 12 14.34 -07 25.7 3.584 3.993 106.5 14.1 18.6
1999 06 21 12 16.75 -07 56.0 3.734 3.999 97.7 14.6 18.7
1999 07 01 12 20.52 -08 33.4 3.886 4.006 89.3 14.7 18.8
1999 07 11 12 25.49 -09 17.3 4.039 4.013 81.3 14.5 18.9
1999 07 21 12 31.54 -10 07.1 4.188 4.020 73.5 14.0 18.9
1999 07 31 12 38.52 -11 02.2 4.332 4.027 66.0 13.3 19.0
Gareth V. Williams (C) Copyright 1999 MPC M.P.E.C. 1999-J39
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