MPEC 2001-Y35 : 2001 YR3
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M.P.E.C. 2001-Y35 Issued 2001 Dec. 24, 00:21 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
MPC@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
2001 YR3
Observations:
K01Y03R* C2001 12 19.46677 07 47 40.04 +21 25 28.9 20.0 704
K01Y03R C2001 12 19.48191 07 47 45.50 +21 29 06.3 19.4 704
K01Y03R C2001 12 19.49727 07 47 50.92 +21 32 45.2 19.7 704
K01Y03R C2001 12 19.51241 07 47 56.32 +21 36 21.0 19.9 704
K01Y03R C2001 12 20.36374 07 53 36.48 +25 04 00.9 19.1 R 649
K01Y03R C2001 12 20.36441 07 53 36.72 +25 04 10.8 18.8 R 649
K01Y03R C2001 12 20.36578 07 53 37.25 +25 04 31.8 19.3 R 649
K01Y03R C2001 12 20.36647 07 53 37.49 +25 04 41.1 19.4 R 649
K01Y03R C2001 12 21.28226 08 00 13.64 +28 54 22.8 19.1 R 649
K01Y03R C2001 12 21.28411 08 00 14.30 +28 54 52.2 19.5 R 649
K01Y03R C2001 12 21.28778 08 00 15.90 +28 55 46.3 19.6 R 649
K01Y03R C2001 12 22.36366 08 08 43.42 +33 30 39.6 19.1 704
K01Y03R C2001 12 22.39366 08 08 57.32 +33 38 21.7 19.3 704
K01Y03R C2001 12 22.40869 08 09 04.24 +33 42 12.9 19.0 704
K01Y03R C2001 12 22.42380 08 09 11.27 +33 46 03.6 19.3 704
Observer details:
649 Powell Observatory, Louisburg. Observers K. Smalley, R. Fredrick,
R. Trentman. 0.75-m Newtonian + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly,
M. Bezpalko, R. Huber, L. Manguso, S. Adams, J. Piscitelli. Measurers
J. Stuart, R. Sayer, J. B. Evans, H. Viggh. 1.0-m f/2.15 reflector + CCD.
Orbital elements:
2001 YR3
Epoch 2001 Dec. 17.0 TT = JDT 2452260.5 MPC
M 348.98969 (2000.0) P Q
n 0.44908826 Peri. 23.27401 -0.36403939 -0.84237152
a 1.6888131 Node 90.08999 +0.77984649 -0.50893247
e 0.3758196 Incl. 23.41253 +0.50922958 +0.17719471
P 2.19 H 23.3 G 0.15
From 15 observations 2001 Dec. 19-22.
Ephemeris:
2001 YR3 a,e,i = 1.69, 0.38, 23 q = 1.0541
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2001 12 17 07 33.67 +12 12.6 0.112 1.083 150.5 26.6 19.9
2001 12 19 07 44.82 +19 35.2 0.106 1.079 152.5 24.9 19.7
2001 12 21 07 58.11 +27 43.1 0.102 1.075 152.3 25.2 19.7
2001 12 23 08 14.16 +36 13.5 0.100 1.071 149.4 27.8 19.7
2001 12 25 08 33.79 +44 34.7 0.101 1.068 144.6 32.3 19.8
2001 12 27 08 57.98 +52 15.1 0.105 1.065 138.7 37.5 20.1
2001 12 29 09 27.81 +58 50.2 0.111 1.062 132.8 42.8 20.3
2001 12 31 10 04.11 +64 06.8 0.119 1.060 127.3 47.5 20.6
2002 01 02 10 46.78 +68 00.9 0.128 1.058 122.5 51.6 20.9
2002 01 04 11 34.0 +70 36.9 0.139 1.056 118.4 55.0 21.1
2002 01 06 12 22.2 +72 05.5 0.150 1.055 114.8 57.7 21.4
2002 01 08 13 07.2 +72 42.1 0.162 1.054 111.9 59.9 21.6
2002 01 10 13 46.2 +72 43.2 0.174 1.054 109.4 61.6 21.8
2002 01 12 14 18.6 +72 23.0 0.187 1.054 107.3 63.0 22.0
2002 01 14 14 44.7 +71 51.5 0.200 1.055 105.5 64.0 22.2
2002 01 16 15 05.6 +71 15.1 0.212 1.056 104.1 64.7 22.3
Brian G. Marsden (C) Copyright 2001 MPC M.P.E.C. 2001-Y35
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