MPEC 1999-U14: COMET C/1999 S4 (LINEAR)
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M.P.E.C. 1999-U14 Issued 1999 Oct. 19, 18:09 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.
BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
COMET C/1999 S4 (LINEAR)
Observations:
CJ99S040 C1999 10 03.08840 05 00 27.86 +34 43 11.6 17.0 T 629
CJ99S040 C1999 10 03.69567 05 00 03.21 +34 45 59.2 16.8 T 402
CJ99S040 C1999 10 03.69692 05 00 03.13 +34 45 59.7 402
CJ99S040 C1999 10 03.69819 05 00 03.06 +34 46 00.0 402
CJ99S040 bC1999 10 03.70000 05 00 03.03 +34 46 01.0 16.3 T 360
CJ99S040 bC1999 10 03.70417 05 00 02.85 +34 46 01.9 360
CJ99S040 bC1999 10 03.70833 05 00 02.70 +34 46 02.9 360
CJ99S040 C1999 10 05.73282 04 58 35.32 +34 55 29.9 903
CJ99S040 C1999 10 05.74486 04 58 34.78 +34 55 33.4 903
CJ99S040 C1999 10 05.74791 04 58 34.65 +34 55 34.4 16.4 T 903
CJ99S040 C1999 10 06.84766 04 57 44.00 +35 00 41.5 108
CJ99S040 C1999 10 06.88804 04 57 42.30 +35 00 52.9 16.6 T 167
CJ99S040 C1999 10 06.91230 04 57 41.11 +35 00 59.4 16.5 T 108
CJ99S040 C1999 10 06.91419 04 57 41.23 +35 01 00.6 167
CJ99S040 C1999 10 06.99574 04 57 37.21 +35 01 22.5 17.7 T 167
CJ99S040 C1999 10 08.01357 04 56 47.70 +35 06 08.6 15.9 T 470
CJ99S040 C1999 10 08.02252 04 56 47.30 +35 06 11.5 470
CJ99S040 C1999 10 08.13480 04 56 41.78 +35 06 43.2 16.2 T 046
CJ99S040 C1999 10 08.13810 04 56 41.58 +35 06 43.9 046
CJ99S040 C1999 10 08.14057 04 56 41.46 +35 06 44.4 046
CJ99S040 C1999 10 08.14273 04 56 41.32 +35 06 45.3 046
CJ99S040 C1999 10 08.40747 04 56 28.02 +35 07 58.4 17.5 T 704
CJ99S040 C1999 10 08.42294 04 56 27.24 +35 08 02.7 17.3 T 704
CJ99S040 C1999 10 08.43842 04 56 26.43 +35 08 07.3 17.4 T 704
CJ99S040 C1999 10 08.45390 04 56 25.66 +35 08 11.4 17.3 T 704
CJ99S040 C1999 10 08.46941 04 56 24.77 +35 08 16.0 17.5 T 704
CJ99S040 C1999 10 08.57997 04 56 19.47 +35 08 46.9 411
CJ99S040 C1999 10 08.58344 04 56 19.30 +35 08 48.3 411
CJ99S040 C1999 10 08.60714 04 56 18.11 +35 08 54.5 411
CJ99S040 C1999 10 08.61683 04 56 17.67 +35 08 56.3 16.5 T 886
CJ99S040 C1999 10 08.62104 04 56 17.37 +35 08 58.4 16.4 T 897
CJ99S040 C1999 10 08.62603 04 56 17.15 +35 08 59.8 897
CJ99S040 C1999 10 08.63104 04 56 16.84 +35 09 01.6 886
CJ99S040 C1999 10 08.63131 04 56 16.86 +35 09 01.6 897
CJ99S040 C1999 10 08.65295 04 56 15.53 +35 09 04.5 886
CJ99S040 C1999 10 08.71354 04 56 12.66 +35 09 24.4 349
CJ99S040 C1999 10 08.73274 04 56 11.70 +35 09 30.0 16.4 T 349
CJ99S040 C1999 10 08.74115 04 56 11.18 +35 09 32.3 349
CJ99S040 C1999 10 09.06003 04 55 54.87 +35 11 02.0 16.0 N 620
CJ99S040 C1999 10 09.07170 04 55 54.26 +35 11 04.9 620
CJ99S040 C1999 10 09.08875 04 55 53.39 +35 11 10.2 620
CJ99S040 C1999 10 09.09302 04 55 53.17 +35 11 10.4 468
CJ99S040 C1999 10 09.10716 04 55 52.39 +35 11 13.8 468
CJ99S040 C1999 10 09.64193 04 55 24.69 +35 13 44.9 16.5 T 886
CJ99S040 C1999 10 09.65601 04 55 23.84 +35 13 46.4 886
CJ99S040 C1999 10 09.67188 04 55 23.18 +35 13 52.3 16.3 T 360
CJ99S040 C1999 10 09.67569 04 55 22.95 +35 13 53.4 360
CJ99S040 C1999 10 09.76377 04 55 18.13 +35 14 18.1 16.4 T 900
CJ99S040 C1999 10 09.77640 04 55 17.46 +35 14 21.6 900
CJ99S040 C1999 10 10.54992 04 54 36.04 +35 17 55.3 411
CJ99S040 C1999 10 10.55476 04 54 35.78 +35 17 56.7 411
CJ99S040 C1999 10 10.55591 04 54 35.60 +35 17 57.1 16.3 T 897
CJ99S040 C1999 10 10.56369 04 54 35.26 +35 17 59.2 897
CJ99S040 C1999 10 10.57078 04 54 34.87 +35 18 01.9 897
CJ99S040 C1999 10 10.60925 04 54 32.83 +35 18 11.4 16.5 T 886
CJ99S040 C1999 10 10.62106 04 54 32.07 +35 18 14.8 886
CJ99S040 C1999 10 10.63009 04 54 31.54 +35 18 17.1 886
CJ99S040 C1999 10 10.67340 04 54 29.28 +35 18 29.8 16.2 T 355
CJ99S040 C1999 10 10.67903 04 54 28.97 +35 18 31.4 355
CJ99S040 C1999 10 10.68738 04 54 28.49 +35 18 34.0 355
CJ99S040 C1999 10 10.69719 04 54 27.92 +35 18 36.9 349
CJ99S040 C1999 10 10.70618 04 54 27.41 +35 18 40.0 16.6 T 349
CJ99S040 C1999 10 10.71030 04 54 27.20 +35 18 40.8 349
CJ99S040 C1999 10 11.60885 04 53 37.23 +35 22 50.5 17.0 T 886
CJ99S040 C1999 10 11.62067 04 53 36.46 +35 22 52.4 886
CJ99S040 C1999 10 11.63282 04 53 35.81 +35 22 55.8 16.3 T 355
CJ99S040 C1999 10 11.63579 04 53 35.63 +35 22 56.6 355
CJ99S040 C1999 10 11.63863 04 53 35.51 +35 22 57.3 355
CJ99S040 C1999 10 11.64523 04 53 34.99 +35 22 58.4 886
CJ99S040 C1999 10 14.34564 04 50 54.07 +35 35 19.0 17.6 T 704
CJ99S040 C1999 10 14.37022 04 50 52.49 +35 35 24.1 17.6 T 704
CJ99S040 C1999 10 14.39528 04 50 50.90 +35 35 31.9 17.5 T 704
CJ99S040 C1999 10 14.41660 04 50 49.47 +35 35 37.4 17.7 T 704
CJ99S040 C1999 10 14.55102 04 50 41.23 +35 36 15.5 15.7 T 392
CJ99S040 C1999 10 16.88853 04 48 08.49 +35 46 43.0 046
CJ99S040 C1999 10 16.88970 04 48 08.37 +35 46 43.6 046
CJ99S040 C1999 10 16.89486 04 48 08.05 +35 46 44.9 046
CJ99S040 C1999 10 17.04035 04 47 58.01 +35 47 23.9 118
CJ99S040 C1999 10 17.04657 04 47 57.56 +35 47 25.2 16.4 T 118
CJ99S040 C1999 10 17.55764 04 47 22.43 +35 49 39.6 16.1 T 367
CJ99S040 C1999 10 17.56076 04 47 22.22 +35 49 40.5 367
CJ99S040 C1999 10 17.56389 04 47 22.02 +35 49 41.6 367
CJ99S040 C1999 10 17.70281 04 47 12.17 +35 50 18.2 903
CJ99S040 C1999 10 17.71148 04 47 11.68 +35 50 20.5 903
CJ99S040 C1999 10 17.72390 04 47 10.80 +35 50 24.8 16.1 T 903
CJ99S040 C1999 10 17.97420 04 46 53.18 +35 51 29.6 16.3 T 629
CJ99S040 C1999 10 17.98111 04 46 52.85 +35 51 32.1 16.6 T 629
CJ99S040 C1999 10 17.98823 04 46 52.29 +35 51 33.8 16.2 T 629
CJ99S040 C1999 10 17.99609 04 46 51.84 +35 51 34.6 16.4 T 629
CJ99S040 C1999 10 18.57335 04 46 10.84 +35 54 05.7 411
CJ99S040 C1999 10 18.57818 04 46 10.50 +35 54 07.1 411
CJ99S040 C1999 10 19.54896 04 44 59.84 +35 58 18.2 16.4 T 367
CJ99S040 C1999 10 19.55243 04 44 59.55 +35 58 19.3 367
CJ99S040 C1999 10 19.55590 04 44 59.31 +35 58 20.2 367
Observer details:
046 Klet. Observers J. Ticha, M. Tichy, Z. Moravec. 0.57-m f/5.2 reflector
+ CCD.
108 Montelupo. Observers M. Tombelli, A. Boattini, L. Tesi, D. Guidetti,
G. Forti, E. Masotti. Measurers M. Tombelli, A. Boattini, L. Tesi,
S. Bartolini, G. Forti. 0.30-m f/5.7 Schmidt-Cassegrain + CCD.
118 Modra. Observers A. Galad, J. Toth. 0.6-m f/5.5 reflector + CCD.
167 Bulach Observatory. Observer S. Meister. 0.50-m reflector + CCD.
349 Ageo. Observer K. Kadota. 0.18-m f/5.5 reflector + CCD.
355 Hadano. Observer A. Asami. 0.28-m f/5.0 reflector + CCD.
360 Kuma Kogen. Observer A. Nakamura. 0.60-m f/6.0 Ritchey-Chretien + CCD.
367 Yatsuka. Observer H. Abe. 0.26-m f/6.0 reflector + CCD.
392 JCPM Sapporo Station. Observer K. Watanabe. 0.30-m f/2.7 Schmidt camera.
402 Dynic Astronomical Observatory. Observer A. Sugie. 0.60-m f/3.7 reflector
+ CCD.
411 Oizumi. Observer T. Kobayashi. 0.41-m f/4.3 reflector + CCD.
468 Campo Catino. Observers L. Fortuna, F. Mallia. 0.80-m f/4.0 reflector
+ CCD.
470 Ceccano. Observer G. Masi. 0.28-m f/3.3 reflector + CCD.
620 Observatorio Astronomico de Mallorca. Observers S. Sanchez, M. Blasco.
Measurer J. Rodriguez. 0.30-m f/3.3 Schmidt-Cassegrain + CCD.
629 JATE Observatory, Szeged. Observers K. Sarneczky, L. Kiss, B. Csak,
G. Szabo. Measurers K. Sarneczky, L. Kiss. 0.28-m Schmidt-Cassegrain
+ 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.
886 Mishima. Observer M. Akiyama. 0.25-m f/6.3 reflector + CCD.
897 Chiyoda. Observer T. Kojima. 0.25-m f/6.0 reflector + CCD.
900 Moriyama. Observer Y. Ikari. 0.25-m f/6.3 reflector + CCD.
903 Fukuchiyama. Observer M. Yoshimi. 0.25-m f/6.3 Schmidt-Cassegrain + CCD.
Orbital elements:
C/1999 S4 (LINEAR)
T 2000 July 26.4630 TT Marsden
q 0.766618 (2000.0) P Q
Peri. 150.9862 +0.3099615 -0.8047749
Node 83.1500 -0.9406391 -0.1821394
e 1.0 Incl. 149.3454 -0.1382822 -0.5649447
From 135 observations 1999 Sept. 27-Oct. 19.
Ephemeris:
C/1999 S4 (LINEAR)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
1999 10 19 04 45.67 +35 56.0 3.393 4.096 129.2 10.9 15.8
1999 10 29 04 31.67 +36 35.1 3.167 3.987 140.9 9.0 15.5
1999 11 08 04 13.86 +37 01.4 2.972 3.877 152.4 6.8 15.3
1999 11 18 03 52.66 +37 06.9 2.816 3.766 161.4 4.8 15.0
1999 11 28 03 29.16 +36 44.9 2.703 3.653 161.7 4.9 14.8
1999 12 08 03 05.02 +35 52.9 2.637 3.539 152.4 7.4 14.6
1999 12 18 02 42.11 +34 35.2 2.614 3.424 139.7 10.7 14.4
1999 12 28 02 21.93 +33 01.3 2.630 3.308 126.2 13.9 14.3
2000 01 07 02 05.30 +31 22.8 2.675 3.190 112.9 16.5 14.2
2000 01 17 01 52.45 +29 49.8 2.740 3.070 100.2 18.4 14.1
2000 01 27 01 43.13 +28 29.2 2.813 2.949 88.1 19.5 13.9
2000 02 06 01 36.91 +27 24.4 2.887 2.827 76.6 19.8 13.8
2000 02 16 01 33.29 +26 36.5 2.951 2.702 65.9 19.5 13.7
2000 02 26 01 31.79 +26 05.0 3.000 2.576 55.7 18.5 13.5
2000 03 07 01 31.99 +25 48.7 3.029 2.448 46.2 17.0 13.3
2000 03 17 01 33.54 +25 46.5 3.031 2.318 37.2 15.0 13.1
2000 05 16 01 57.62 +29 45.7 2.371 1.504 24.0 15.9 10.6
2000 05 21 02 00.16 +30 27.7 2.258 1.435 27.2 18.8 10.3
2000 05 26 02 02.77 +31 15.0 2.135 1.366 30.7 22.2 10.0
2000 05 31 02 05.48 +32 08.9 2.004 1.297 34.2 26.1 9.6
2000 06 05 02 08.35 +33 11.0 1.863 1.229 37.7 30.3 9.2
2000 06 10 02 11.48 +34 23.6 1.714 1.162 41.2 35.2 8.8
2000 06 15 02 15.06 +35 50.5 1.556 1.098 44.7 40.6 8.4
2000 06 20 02 19.45 +37 37.2 1.389 1.035 48.0 46.8 7.9
2000 06 25 02 25.33 +39 52.8 1.215 0.976 50.9 53.9 7.3
2000 06 30 02 34.09 +42 53.0 1.035 0.921 53.4 62.3 6.7
2000 07 05 02 48.93 +47 04.4 0.853 0.873 54.8 72.2 6.1
2000 07 10 03 18.84 +53 11.7 0.673 0.831 54.5 84.3 5.3
2000 07 15 04 36.39 +61 40.0 0.510 0.799 50.8 99.6 4.6
2000 07 20 08 08.06 +63 51.9 0.395 0.777 43.3 116.4 3.9
2000 07 25 10 59.42 +42 21.8 0.383 0.767 40.7 120.2 3.8
2000 07 30 11 56.72 +19 28.2 0.483 0.770 46.8 106.0 4.3
2000 08 04 12 19.58 +05 43.2 0.641 0.785 50.7 90.2 5.0
2000 08 09 12 30.57 -02 13.4 0.819 0.811 51.2 76.9 5.7
2000 08 14 12 36.48 -07 10.8 1.001 0.847 49.8 65.9 6.3
2000 08 19 12 39.95 -10 32.0 1.180 0.892 47.3 56.4 6.9
2000 08 24 12 42.20 -12 58.0 1.352 0.943 44.2 48.4 7.4
2000 08 29 12 43.82 -14 50.2 1.515 1.000 40.8 41.3 7.9
2000 09 03 12 45.13 -16 21.0 1.668 1.060 37.3 35.2 8.4
2000 09 08 12 46.31 -17 37.6 1.812 1.124 33.8 29.9 8.8
2000 09 13 12 47.43 -18 44.6 1.945 1.190 30.3 25.2 9.2
2000 09 18 12 48.55 -19 45.0 2.068 1.257 26.9 21.2 9.6
2000 09 23 12 49.67 -20 40.8 2.180 1.325 23.8 17.8 9.9
Brian G. Marsden (C) Copyright 1999 MPC M.P.E.C. 1999-U14
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