MPEC 2004-Y31 : 2004 YA5
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M.P.E.C. 2004-Y31 Issued 2004 Dec. 21, 12:53 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 YA5
Observations:
K04Y05A* C2004 12 18.22095 04 09 09.51 +65 31 44.7 18.1 EY031704
K04Y05A C2004 12 18.23403 04 08 52.58 +65 22 27.9 18.4 EY031704
K04Y05A C2004 12 18.24721 04 08 35.85 +65 13 05.7 18.8 EY031704
K04Y05A C2004 12 18.26046 04 08 19.28 +65 03 42.2 18.4 EY031704
K04Y05A C2004 12 18.27354 04 08 03.00 +64 54 24.2 18.4 EY031704
K04Y05A C2004 12 19.26753 03 55 47.87 +53 47 19.7 18.0 EY031704
K04Y05A C2004 12 19.28019 03 55 40.56 +53 39 19.8 18.1 EY031704
K04Y05A C2004 12 19.29309 03 55 33.16 +53 31 12.0 18.3 EY031704
K04Y05A C2004 12 20.95242 03 47 01.25 +38 33 19.5 18.3 R EY031J95
K04Y05A C2004 12 20.95437 03 47 00.64 +38 32 26.4 18.2 R EY031J95
K04Y05A C2004 12 20.95691 03 47 00.05 +38 31 17.2 18.6 R EY031J95
K04Y05A 2C2004 12 21.08533 03 46 43.57 +37 33 59.3 17.3 R EY031H06
K04Y05A 2C2004 12 21.08981 03 46 42.51 +37 32 01.9 17.6 R EY031H06
K04Y05A 2C2004 12 21.09253 03 46 41.94 +37 30 51.1 17.6 R EY031H06
K04Y05A C2004 12 21.11574 03 46 37.19 +37 20 37.2 18.0 R EY031854
K04Y05A C2004 12 21.11624 03 46 37.17 +37 20 24.5 18.1 R EY031854
K04Y05A C2004 12 21.11967 03 46 36.31 +37 18 54.9 18.3 R EY031854
K04Y05A 5C2004 12 21.18831 03 46 21.35 +36 49 00.1 17.8 R EY031673
K04Y05A 5C2004 12 21.19161 03 46 20.58 +36 47 34.7 EY031673
K04Y05A 5C2004 12 21.19803 03 46 19.09 +36 44 47.3 EY031673
K04Y05A 5C2004 12 21.20249 03 46 18.06 +36 42 52.8 EY031673
K04Y05A 5C2004 12 21.21088 03 46 16.13 +36 39 15.6 EY031673
K04Y05A 5C2004 12 21.21615 03 46 14.91 +36 36 58.7 EY031673
Observer details:
673 Table Mountain Observatory, Wrightwood. Observer J. Young. 0.6-m
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.
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.36-m f/10.0
Schmidt-Cassegrain + CCD.
H06 New Mexico Skies Observatory. Observer R. Hutsebaut. 0.30-m reflector
+ CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.30-m f/6.3 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2004 YA5
Epoch 2004 Dec. 1.0 TT = JDT 2453340.5 MPC
M 68.90145 (2000.0) P Q
n 1.35219134 Peri. 31.31226 +0.45570685 +0.75163006
a 0.8099234 Node 269.92600 -0.88296592 +0.31387498
e 0.5388847 Incl. 28.47973 -0.11270511 +0.58011615
P 0.73 H 22.6 G 0.15
From 23 observations 2004 Dec. 18-21.
Ephemeris:
2004 YA5 a,e,i = 0.81, 0.54, 28 q = 0.3735
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2004 12 21 03 46.90 +38 12.6 0.067 1.042 148.6 29.5 18.1
2004 12 31 03 39.07 +06 05.3 0.167 1.104 132.9 40.7 20.5
2005 01 10 03 42.30 -00 40.4 0.281 1.154 121.1 46.9 21.9
2005 01 20 03 48.82 -02 52.2 0.397 1.193 112.3 49.7 22.8
Timothy B. Spahr (C) Copyright 2004 MPC M.P.E.C. 2004-Y31
Read MPEC 2004-Y30
Read MPEC 2004-Y32
Enter an MPEC number in one of the following forms:
- 1997-B01 (the full form)
- J97B01 (the packed version of the full form)
- B01 (the abbreviated form)
