MPEC 2004-S40 : 2004 SA20
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M.P.E.C. 2004-S40 Issued 2004 Sept. 22, 16:42 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
2004 SA20
Observations:
K04S20A* C2004 09 21.40570 03 24 56.15 -16 49 11.5 18.9 ES040704
K04S20A C2004 09 21.41784 03 24 35.85 -16 48 06.5 18.7 ES040704
K04S20A C2004 09 21.43047 03 24 14.76 -16 46 58.2 19.1 ES040704
K04S20A C2004 09 21.44236 03 23 55.02 -16 45 54.0 19.5 ES040704
K04S20A C2004 09 21.45424 03 23 35.28 -16 44 49.6 19.2 ES040704
K04S20A C2004 09 22.29826 03 03 13.12 -15 31 58.8 18.4 R ES040H06
K04S20A C2004 09 22.30126 03 03 09.05 -15 31 43.9 17.6 R ES040H06
K04S20A C2004 09 22.30424 03 03 04.95 -15 31 31.1 18.4 R ES040H06
K04S20A C2004 09 22.34196 03 02 14.81 -15 28 26.2 19.1 R ES040651
K04S20A C2004 09 22.34296 03 02 13.56 -15 28 21.8 19.4 R ES040651
K04S20A C2004 09 22.34389 03 02 12.21 -15 28 16.4 19.3 R ES040651
Observer details:
651 Grasslands Observatory, Tucson. Observer J. E. McGaha. 0.62-m f/5.1
Newtonian reflector + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly,
M. Bezpalko, R. Huber, L. Manguso, D. Torres, R. Kracke, M. McCleary,
H. Stange, A. Milner. Measurers J. Stuart, R. Sayer, J. Evans, J. Kommers.
1.0-m f/2.15 reflector + CCD.
H06 New Mexico Skies Observatory. Observer R. Hutsebaut. 0.25-m reflector
+ CCD.
Orbital elements:
2004 SA20
Epoch 2004 Sept. 12.0 TT = JDT 2453260.5 MPC
M 11.26057 (2000.0) P Q
n 0.29081360 Peri. 147.60295 +0.21497338 +0.97602962
a 2.2562795 Node 134.78547 -0.90591721 +0.21227600
e 0.6883909 Incl. 2.74175 -0.36482935 +0.04801123
P 3.39 H 22.9 G 0.15
From 11 observations 2004 Sept. 21-22.
Ephemeris:
2004 SA20 a,e,i = 2.26, 0.69, 3 q = 0.7031
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2004 09 22 03 09.92 -15 55.5 0.068 1.049 130.0 47.1 19.0
2004 09 24 02 32.21 -13 25.8 0.085 1.070 140.9 36.3 19.2
2004 09 26 02 07.50 -11 33.9 0.103 1.092 148.5 28.7 19.4
2004 09 28 01 50.35 -10 10.2 0.122 1.113 154.2 23.1 19.7
2004 09 30 01 37.83 -09 05.9 0.142 1.135 158.5 18.8 19.9
2004 10 02 01 28.31 -08 15.1 0.163 1.157 161.9 15.6 20.1
2004 10 04 01 20.85 -07 33.6 0.184 1.178 164.4 13.2 20.3
2004 10 06 01 14.86 -06 58.9 0.206 1.200 166.1 11.5 20.6
2004 10 08 01 09.96 -06 29.0 0.228 1.222 167.1 10.5 20.8
2004 10 10 01 05.91 -06 02.9 0.250 1.244 167.3 10.2 21.0
2004 10 12 01 02.53 -05 39.4 0.273 1.265 166.8 10.4 21.3
2004 10 14 00 59.69 -05 17.9 0.296 1.287 165.8 10.9 21.5
2004 10 16 00 57.31 -04 58.0 0.320 1.308 164.5 11.7 21.7
2004 10 18 00 55.33 -04 39.2 0.345 1.330 163.0 12.6 22.0
2004 10 20 00 53.68 -04 21.4 0.370 1.351 161.3 13.6 22.2
2004 10 22 00 52.33 -04 04.2 0.396 1.373 159.6 14.6 22.4
Kyle E. Smalley (C) Copyright 2004 MPC M.P.E.C. 2004-S40
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