MPEC 2004-B50 : 2003 YQ117
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M.P.E.C. 2004-B50 Issued 2004 Jan. 26, 20:35 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 Steven and Michele Kirsch Foundation
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
2003 YQ117
Revision to MPEC 2003-Y88
Additional Observations:
K03YB7Q C2002 03 15.48150 12 16 11.03 -18 42 25.4 20.2 R EB050644
K03YB7Q C2002 04 08.26058 11 52 54.51 -15 22 44.2 20.5 R EB050644
K03YB7Q C2002 04 08.28027 11 52 53.33 -15 22 32.4 20.2 R EB050644
K03YB7Q C2002 04 08.30088 11 52 52.13 -15 22 20.3 20.3 R EB050644
K03YB7Q C2002 04 19.21227 11 43 34.33 -13 33 55.9 19.6 R EB050644
K03YB7Q C2002 04 19.23356 11 43 33.29 -13 33 43.9 20.1 R EB050644
K03YB7Q C2002 04 19.25345 11 43 32.40 -13 33 30.7 20.2 R EB050644
Observer details:
474 Mount John Observatory, Lake Tekapo. Observer A. C. Gilmore. Measurer
P. M. Kilmartin. 1.0-m f/7.7 reflector + CCD.
608 Haleakala-NEAT/MSSS. Observers S. Pravdo, M. Hicks, K. Lawrence,
D. MacDonald, P. Kervin, J. Africano. 1.2-m reflector + CCD.
644 Palomar Mountain/NEAT. Observers R. Bambery, E. Helin, S. Pravdo,
M. Hicks, K. Lawrence, R. Thicksten. Measurer M. Meyer. 1.2-m Schmidt
+ 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.
926 Tenagra II Observatory. Observers P. R. Holvorcem, M. Schwartz. 0.81-m
f/7 Ritchey-Chretien + CCD.
Orbital elements:
2003 YQ117
Epoch 2003 Dec. 27.0 TT = JDT 2453000.5 MPC
M 60.65653 (2000.0) P Q
n 0.30626538 Peri. 135.29853 +0.96443148 +0.14750008
a 2.1797371 Node 217.88420 -0.17525082 +0.97803293
e 0.6566846 Incl. 20.92912 +0.19788652 +0.14729329
P 3.22 H 15.4 G 0.15 U 5
Residuals in seconds of arc
020315 644 0.4- 0.3- 031227 474 0.2+ 1.7- 040102 474 0.1- 0.4-
020408 644 0.5+ 0.5- 031227 474 1.4+ 0.4- 040102 474 0.4+ 0.1-
020408 644 0.4- 0.2- 031227 A50 2.0+ 1.0+ 040102 474 0.1- 0.1-
020408 644 0.9- 0.2- 031228 A50 1.3- 0.5- 040103 704 0.0 0.5+
020419 644 0.5+ 0.5+ 031228 A50 0.1- 0.4+ 040103 704 0.4- 0.5+
020419 644 0.0 0.3- 031228 A50 1.5+ 0.1- 040103 704 0.3- 0.0
020419 644 0.7+ 1.0+ 031229 H36 1.7- 0.6+ 040106 926 0.2- 0.9-
031226 608 0.1+ 0.1- 031229 H36 0.4- 1.2+ 040106 926 0.2+ 0.2-
031226 608 0.5+ 0.4- 031229 H36 0.7- 0.6- 040106 926 0.0 0.0
031226 608 0.2+ 0.2- 040101 474 0.3+ 0.2+ 040119 608 0.3+ 0.2+
031227 474 0.9- 1.0+ 040101 474 0.0 0.1- 040119 608 0.0 0.4+
031227 474 0.7- 0.1- 040101 474 0.2- 0.0 040119 608 0.0 0.1+
031227 474 0.4+ 0.1+ 040101 474 0.4- 0.2-
Ephemeris:
2003 YQ117 a,e,i = 2.18, 0.66, 21 q = 0.7483
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2004 01 26 08 59.37 -16 34.9 1.714 2.574 143.8 13.1 19.4
2004 02 05 08 46.08 -15 27.4 1.749 2.636 147.7 11.5 19.4
2004 02 15 08 34.08 -13 52.4 1.812 2.694 147.0 11.5 19.5
2004 02 25 08 24.33 -12 00.4 1.902 2.751 142.2 12.8 19.7
2004 03 06 08 17.41 -10 02.5 2.016 2.806 134.9 14.5 20.0
2004 03 16 08 13.44 -08 07.7 2.152 2.858 126.6 16.2 20.2
2004 03 26 08 12.26 -06 22.1 2.304 2.908 118.0 17.6 20.5
2004 04 05 08 13.59 -04 49.6 2.469 2.957 109.5 18.6 20.7
2004 04 15 08 17.05 -03 31.8 2.642 3.003 101.2 19.1 20.9
2004 04 25 08 22.30 -02 29.1 2.820 3.048 93.3 19.2 21.0
2004 05 05 08 29.01 -01 41.0 2.999 3.090 85.6 19.0 21.2
2004 05 15 08 36.89 -01 06.8 3.177 3.131 78.2 18.4 21.3
2004 05 25 08 45.71 -00 45.5 3.350 3.170 71.1 17.6 21.5
2004 06 04 08 55.26 -00 36.0 3.517 3.207 64.1 16.5 21.5
Timothy B. Spahr (C) Copyright 2004 MPC M.P.E.C. 2004-B50
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