MPEC 2004-S84 : COMET C/2004 S1 (VAN NESS)
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M.P.E.C. 2004-S84 Issued 2004 Sept. 30, 19:13 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.
Supported in part by the Brinson Foundation
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
COMET C/2004 S1 (VAN NESS)
Observations:
CK04S010 C2004 09 26.89375 03 08 21.01 +09 51 40.2 18.1 N ES084A13
CK04S010 C2004 09 26.89508 03 08 20.57 +09 51 45.5 18.8 N ES084A13
CK04S010 C2004 09 26.89663 03 08 20.08 +09 51 47.2 18.4 N ES084A13
CK04S010 C2004 09 26.89892 03 08 19.46 +09 51 52.4 18.7 N ES084A13
CK04S010 C2004 09 28.61849 02 59 12.30 +10 48 43.9 17.6 N ES084474
CK04S010 C2004 09 28.62097 02 59 11.09 +10 48 48.6 18.3 N ES084474
CK04S010 C2004 09 29.90474 02 51 14.99 +11 35 43.2 17.8 N ES084213
CK04S010 C2004 09 29.90767 02 51 13.83 +11 35 50.8 17.8 N ES084213
CK04S010 C2004 09 29.90952 02 51 13.05 +11 35 54.9 ES084213
Observer details:
213 Observatorio Montcabre. Observer R. Naves. Measurer M. Campas. 0.30-m
f/6.6 Schmidt-Cassegrain + CCD.
474 Mount John Observatory, Lake Tekapo. Observer A. C. Gilmore. Measurer
P. M. Kilmartin. 1.0-m f/7.7 reflector + CCD.
A13 Observatoire Naef, Marly. Observer P. Kocher. 0.5-m f/3.3 Hypergraph
+ CCD.
Orbital elements:
C/2004 S1 (Van Ness)
T 2004 Dec. 8.889 TT MPC
q 0.68064 (2000.0) P Q
Peri. 92.892 +0.089503 -0.950020
Node 19.214 -0.737303 -0.265084
e 1.0 Incl. 114.661 +0.669607 -0.164900
From 26 observations 2004 Sept. 26-29.
Ephemeris:
C/2004 S1 (Van Ness)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2004 09 22 03 27.14 +07 45.5 0.781 1.601 127.1 30.0 18.0
2004 09 24 03 20.52 +08 31.8 0.723 1.572 130.5 29.0 17.8
2004 09 26 03 12.48 +09 25.3 0.666 1.543 134.3 27.7 17.5
2004 09 28 03 02.67 +10 27.3 0.610 1.513 138.5 26.0 17.2
2004 09 30 02 50.61 +11 39.6 0.556 1.484 143.1 23.9 16.9
2004 10 02 02 35.67 +13 03.6 0.505 1.455 148.3 21.2 16.6
2004 10 04 02 17.05 +14 40.6 0.457 1.425 154.1 17.8 16.3
2004 10 06 01 53.75 +16 30.4 0.413 1.396 160.3 14.0 16.0
2004 10 08 01 24.70 +18 29.0 0.376 1.366 165.5 10.5 15.7
2004 10 10 00 49.08 +20 26.9 0.346 1.337 165.8 10.5 15.5
2004 10 12 00 06.98 +22 06.5 0.326 1.307 158.9 16.0 15.2
2004 10 14 23 20.26 +23 06.5 0.317 1.278 148.2 24.3 15.1
2004 10 16 22 32.53 +23 13.0 0.320 1.248 136.4 33.4 15.0
2004 10 18 21 47.88 +22 29.2 0.335 1.219 124.9 42.1 15.0
2004 10 20 21 09.01 +21 11.8 0.359 1.190 114.4 49.6 15.0
2004 10 22 20 36.70 +19 40.1 0.391 1.161 105.2 55.8 15.1
2004 10 24 20 10.44 +18 07.6 0.429 1.132 97.3 60.7 15.2
2004 10 26 19 49.19 +16 41.4 0.471 1.103 90.4 64.3 15.3
2004 10 28 19 31.93 +15 24.1 0.516 1.075 84.5 67.0 15.4
2004 10 30 19 17.75 +14 16.0 0.563 1.046 79.3 68.8 15.4
2004 11 01 19 05.94 +13 16.3 0.611 1.018 74.7 70.0 15.5
Brian G. Marsden (C) Copyright 2004 MPC M.P.E.C. 2004-S84
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