MPEC 1999-X24 : COMET P/1999 X1 (HUG-BELL)
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M.P.E.C. 1999-X24 Issued 1999 Dec. 12, 00:09 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.
Prepared using the Tamkin Foundation Computer Network
BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
COMET P/1999 X1 (HUG-BELL)
Observations:
PJ99X010 C1999 10 10.43233 07 42 57.11 +17 55 55.2 19.2 N 704
PJ99X010 C1999 10 10.45176 07 42 58.81 +17 55 54.4 19.5 N 704
PJ99X010 C1999 10 10.46677 07 43 00.07 +17 55 54.4 19.6 N 704
PJ99X010 C1999 12 07.43651 08 25 05.23 +19 50 39.1 19.2 N 704
PJ99X010 C1999 12 07.48098 08 25 04.70 +19 50 56.1 19.6 N 704
PJ99X010 C1999 12 07.49563 08 25 04.54 +19 51 01.8 20.2 N 704
PJ99X010 C1999 12 10.33347 08 24 32.66 +20 07 54.0 18.8 T 734
PJ99X010 C1999 12 10.34351 08 24 32.52 +20 07 57.5 19.0 T 734
PJ99X010 C1999 12 10.35909 08 24 32.20 +20 08 03.7 18.6 T 734
PJ99X010 C1999 12 10.41434 08 24 31.30 +20 08 24.0 18.5 T 734
PJ99X010 C1999 12 10.43169 08 24 31.07 +20 08 30.1 18.7 T 734
PJ99X010 C1999 12 10.44889 08 24 30.81 +20 08 37.3 18.7 T 734
PJ99X010 C1999 12 10.47539 08 24 30.32 +20 08 46.9 18.9 T 734
PJ99X010 C1999 12 10.49344 08 24 30.07 +20 08 53.2 18.7 T 734
PJ99X010 C1999 12 11.16675 08 24 20.00 +20 13 04.0 19.0 N 557
PJ99X010 C1999 12 11.17537 08 24 19.86 +20 13 06.8 18.1 T 557
PJ99X010 C1999 12 11.18090 08 24 19.77 +20 13 09.1 557
PJ99X010 C1999 12 11.37899 08 24 16.76 +20 14 23.7 19.0 T 734
PJ99X010 C1999 12 11.44802 08 24 15.41 +20 14 50.8 18.8 T 734
PJ99X010 C1999 12 11.46484 08 24 15.22 +20 14 56.1 19.1 T 734
PJ99X010 C1999 12 11.48086 08 24 14.91 +20 15 01.1 734
PJ99X010 C1999 12 11.49819 08 24 14.50 +20 15 09.5 734
PJ99X010 pC1999 12 11.96788 08 24 07.09 +20 18 06.0 118
PJ99X010 pC1999 12 11.97990 08 24 06.80 +20 18 11.8 118
PJ99X010 pC1999 12 11.98285 08 24 06.85 +20 18 13.0 118
Observer details:
118 Modra. Observers A. Galad, J. Toth. 0.6-m f/5.5 reflector + CCD.
557 Ondrejov. Observer L. Sarounova. 0.65-m f/3.6 reflector + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly,
M. Bezpalko, M. Elowitz, R. Huber. Measurers J. Stuart, H. Viggh,
R. Sayer. 1.0-m f/2.15 reflector + CCD.
734 Farpoint Observatory. Observers G. Hug, G. Bell. 0.30-m
Schmidt-Cassegrain + CCD.
Orbital elements:
P/1999 X1 (Hug-Bell)
T 1999 June 20.7057 TT Marsden
q 1.936291 (2000.0) P Q
n 0.1405214 Peri. 296.8671 +0.7444618 -0.6415531
a 3.664160 Node 103.6425 +0.6599606 +0.6651428
e 0.471559 Incl. 10.9682 +0.1011370 +0.3820925
P 7.01
From 25 observations 1999 Oct. 10-Dec. 11.
Ephemeris:
P/1999 X1 (Hug-Bell)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
1999 12 08 08 25.00 +19 54.0 1.609 2.380 131.7 18.0 18.3
1999 12 13 08 23.80 +20 24.8 1.585 2.402 137.1 16.2 18.3
1999 12 18 08 21.82 +20 58.7 1.567 2.424 142.8 14.2 18.3
1999 12 23 08 19.12 +21 35.0 1.553 2.447 148.6 12.1 18.3
1999 12 28 08 15.78 +22 13.0 1.545 2.470 154.5 9.9 18.4
2000 01 02 08 11.88 +22 52.0 1.543 2.492 160.6 7.5 18.4
2000 01 07 08 07.57 +23 30.8 1.548 2.515 166.6 5.2 18.5
2000 01 12 08 02.99 +24 08.7 1.560 2.538 172.3 3.0 18.5
2000 01 17 07 58.32 +24 44.8 1.579 2.562 176.0 1.6 18.6
2000 01 22 07 53.72 +25 18.2 1.606 2.585 172.8 2.7 18.7
2000 01 27 07 49.33 +25 48.5 1.639 2.609 167.3 4.8 18.7
2000 02 01 07 45.30 +26 15.4 1.679 2.632 161.5 6.8 18.8
2000 02 06 07 41.76 +26 38.6 1.726 2.656 155.7 8.8 18.9
2000 02 11 07 38.79 +26 58.1 1.779 2.680 150.0 10.6 19.0
2000 02 16 07 36.48 +27 14.0 1.838 2.704 144.4 12.3 19.1
2000 02 21 07 34.85 +27 26.6 1.903 2.727 139.0 13.8 19.3
2000 02 26 07 33.92 +27 36.0 1.972 2.751 133.8 15.0 19.4
2000 03 02 07 33.68 +27 42.6 2.045 2.775 128.8 16.2 19.5
2000 03 07 07 34.13 +27 46.4 2.122 2.799 123.9 17.1 19.6
2000 03 12 07 35.22 +27 47.9 2.203 2.823 119.1 17.9 19.7
2000 03 17 07 36.94 +27 47.1 2.286 2.847 114.6 18.5 19.8
2000 03 22 07 39.22 +27 44.2 2.372 2.871 110.1 19.0 20.0
2000 03 27 07 42.02 +27 39.5 2.459 2.895 105.8 19.4 20.1
2000 04 01 07 45.31 +27 33.0 2.549 2.919 101.7 19.6 20.2
2000 04 06 07 49.03 +27 24.8 2.639 2.943 97.6 19.7 20.3
Brian G. Marsden (C) Copyright 1999 MPC M.P.E.C. 1999-X24
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