MPEC 2000-O02: COMET C/1999 S4 (LINEAR)
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M.P.E.C. 2000-O02 Issued 2000 July 16, 18:44 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 C/1999 S4 (LINEAR)
Observations:
CJ99S040 C2000 06 19.74755 02 19 12.40 +37 29 41.2 9.5 T 402
CJ99S040 C2000 06 19.75008 02 19 12.56 +37 29 44.7 402
CJ99S040 C2000 06 19.75260 02 19 12.71 +37 29 48.4 402
CJ99S040 C2000 06 19.76676 02 19 13.54 +37 30 08.3 300
CJ99S040 C2000 06 19.76833 02 19 13.68 +37 30 10.7 300
CJ99S040 C2000 06 19.77373 02 19 14.00 +37 30 18.4 300
CJ99S040 C2000 06 19.77528 02 19 14.05 +37 30 20.2 300
CJ99S040 C2000 06 20.74430 02 20 13.76 +37 53 49.6 349
CJ99S040 C2000 06 20.74519 02 20 13.84 +37 53 51.0 349
CJ99S040 C2000 06 20.74984 02 20 14.10 +37 53 58.2 349
CJ99S040 C2000 06 20.75155 02 20 14.18 +37 54 00.3 9.7 T 349
CJ99S040 C2000 07 01.67983 02 38 32.62 +44 08 15.2 349
CJ99S040 C2000 07 01.73118 02 38 40.99 +44 10 43.8 9.2 T 349
CJ99S040 C2000 07 01.73560 02 38 41.78 +44 10 56.7 349
CJ99S040 C2000 07 03.72811 02 44 49.91 +45 52 55.6 402
CJ99S040 C2000 07 03.72990 02 44 50.29 +45 53 01.6 402
CJ99S040 C2000 07 03.73118 02 44 50.54 +45 53 05.7 402
CJ99S040 C2000 07 03.73659 02 44 51.62 +45 53 24.6 9.1 T 349
CJ99S040 C2000 07 03.73800 02 44 51.91 +45 53 29.0 349
CJ99S040 C2000 07 03.73954 02 44 52.25 +45 53 34.0 349
CJ99S040 C2000 07 04.75612 02 48 39.26 +46 51 44.6 300
CJ99S040 C2000 07 04.75723 02 48 39.51 +46 51 48.5 300
CJ99S040 C2000 07 04.75781 02 48 39.66 +46 51 50.4 300
CJ99S040 C2000 07 05.65560 02 52 27.97 +47 47 03.0 8.9 T 348
CJ99S040 C2000 07 05.67397 02 52 32.93 +47 48 14.0 348
CJ99S040 C2000 07 05.73211 02 52 48.81 +47 51 59.3 402
CJ99S040 C2000 07 05.73338 02 52 49.15 +47 52 04.2 402
CJ99S040 C2000 07 05.73463 02 52 49.51 +47 52 09.2 402
CJ99S040 C2000 07 05.76711 02 52 58.48 +47 54 15.2 300
CJ99S040 C2000 07 05.76803 02 52 58.72 +47 54 18.7 300
CJ99S040 C2000 07 05.76946 02 52 59.06 +47 54 24.2 300
CJ99S040 C2000 07 06.72252 02 57 40.48 +48 57 58.4 903
CJ99S040 C2000 07 06.72391 02 57 40.90 +48 58 04.6 903
CJ99S040 C2000 07 06.72523 02 57 41.27 +48 58 10.1 903
CJ99S040 C2000 07 08.72331 03 10 06.70 +51 28 00.8 8.7 T 351
CJ99S040 C2000 07 08.72823 03 10 08.76 +51 28 25.2 351
CJ99S040 C2000 07 08.73610 03 10 12.23 +51 29 03.9 351
CJ99S040 C2000 07 09.68066 03 17 43.46 +52 48 27.4 349
CJ99S040 C2000 07 09.68133 03 17 43.77 +52 48 31.4 349
CJ99S040 C2000 07 09.72231 03 18 05.21 +52 52 08.5 349
CJ99S040 C2000 07 09.72440 03 18 06.30 +52 52 19.6 8.4 T 349
CJ99S040 C2000 07 09.75211 03 18 20.70 +52 54 45.6 9.1 T 352
CJ99S040 C2000 07 09.75627 03 18 22.95 +52 55 07.6 352
CJ99S040 C2000 07 09.76044 03 18 24.82 +52 55 29.9 352
CJ99S040 C2000 07 10.70265 03 27 28.20 +54 20 55.3 349
CJ99S040 C2000 07 10.70341 03 27 28.64 +54 20 59.8 349
CJ99S040 C2000 07 10.75074 03 27 58.60 +54 25 28.9 349
CJ99S040 C2000 07 10.75174 03 27 59.21 +54 25 35.0 8.3 T 349
CJ99S040 C2000 07 15.33707 04 50 41.23 +62 17 42.2 642
CJ99S040 C2000 07 15.34071 04 50 47.68 +62 18 03.1 642
CJ99S040 C2000 07 15.34212 04 50 50.02 +62 18 13.0 642
Observer details:
300 Bisei Spaceguard Center-BATTeRs. Observers A. Asami, D. J. Asher,
S. Hashimoto, S. Isobe, S. Nakano, Y. Oshima, J. Terazono, T. Urata,
M. Yoshikawa. 0.50-m f/2.0 reflector + CCD.
348 Ayabe. Observer N. Otuki. 0.28-m f/5.5 Schmidt-Cassegrain + CCD.
349 Ageo. Observer K. Kadota. 0.18-m f/5.5 reflector + CCD.
351 Sakamoto. Observer Y. Kitamura. 0.15-m f/7.0 lens + CCD.
352 Konan. Observer M. Hotta. 0.28-m f/5.0 reflector + CCD.
402 Dynic Astronomical Observatory. Observer A. Sugie. 0.60-m f/3.7 reflector
+ CCD.
642 Oak Bay, Victoria. Observer C. E. Spratt. 0.20-m f/3.7 Schmidt-Cassegrain
+ CCD.
903 Fukuchiyama. Observer M. Yoshimi. 0.25-m f/6.3 Schmidt-Cassegrain + CCD.
Orbital elements:
C/1999 S4 (LINEAR)
Epoch 2000 Aug. 4.0 TT = JDT 2451760.5
T 2000 July 26.1754 TT Marsden
q 0.765126 (2000.0) P Q
z +0.000842 Peri. 151.0510 +0.3098989 -0.8051942
+/-0.000043 Node 83.1909 -0.9405328 -0.1817998
e 0.999356 Incl. 149.3904 -0.1391430 -0.5644565
From 978 observations 1999 Sept. 27-2000 July 10, mean residual 0".6.
Nongravitational parameters A1 = +9.42 +/- 0.43, A2 = -2.50 +/- 0.17.
Ephemeris:
C/1999 S4 (LINEAR)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2000 07 15 04 41.23 +61 43.9 0.504 0.796 50.3 100.5 6.5
2000 07 17 05 49.09 +64 34.6 0.450 0.786 47.5 107.5 6.2
2000 07 19 07 24.51 +64 46.9 0.408 0.778 44.2 114.3 6.0
2000 07 21 09 02.69 +60 18.3 0.381 0.772 41.2 119.8 5.8
2000 07 23 10 14.99 +51 37.3 0.373 0.768 39.8 122.1 5.7
2000 07 25 11 00.96 +41 09.3 0.385 0.765 40.6 120.3 5.8
2000 07 27 11 30.09 +31 03.0 0.416 0.765 42.9 115.4 5.9
2000 07 29 11 49.30 +22 22.2 0.461 0.767 45.6 108.9 6.2
2000 07 31 12 02.52 +15 19.3 0.517 0.771 47.9 102.2 6.4
2000 08 02 12 11.96 +09 42.6 0.580 0.777 49.6 95.7 6.7
2000 08 04 12 18.89 +05 14.7 0.648 0.784 50.6 89.7 7.0
2000 08 06 12 24.09 +01 39.7 0.718 0.794 51.1 84.1 7.3
2000 08 08 12 28.08 -01 15.0 0.790 0.805 51.2 78.9 7.5
2000 08 10 12 31.18 -03 39.1 0.863 0.818 50.9 74.1 7.8
2000 08 12 12 33.63 -05 39.5 0.936 0.833 50.4 69.6 8.1
2000 08 14 12 35.58 -07 21.4 1.009 0.848 49.6 65.5 8.3
2000 08 16 12 37.17 -08 48.8 1.081 0.866 48.7 61.5 8.5
2000 08 18 12 38.47 -10 04.6 1.152 0.884 47.7 57.8 8.8
2000 08 20 12 39.56 -11 11.0 1.222 0.904 46.5 54.4 9.0
2000 08 22 12 40.49 -12 09.8 1.291 0.924 45.3 51.1 9.2
2000 08 24 12 41.29 -13 02.3 1.359 0.945 44.1 48.0 9.4
2000 08 26 12 42.00 -13 49.7 1.425 0.968 42.7 45.1 9.6
2000 08 28 12 42.63 -14 32.8 1.490 0.991 41.4 42.4 9.8
2000 08 30 12 43.21 -15 12.2 1.553 1.014 40.0 39.8 10.0
2000 09 01 12 43.75 -15 48.7 1.615 1.039 38.6 37.3 10.2
2000 09 03 12 44.26 -16 22.5 1.675 1.063 37.2 35.0 10.4
2000 09 05 12 44.75 -16 54.2 1.733 1.088 35.8 32.8 10.6
2000 09 07 12 45.23 -17 24.0 1.790 1.114 34.3 30.7 10.7
2000 09 09 12 45.69 -17 52.1 1.845 1.140 32.9 28.7 10.9
2000 09 11 12 46.15 -18 18.9 1.899 1.166 31.5 26.8 11.1
2000 09 13 12 46.61 -18 44.6 1.951 1.193 30.1 25.1 11.2
Brian G. Marsden (C) Copyright 2000 MPC M.P.E.C. 2000-O02
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