MPEC 2001-S04: 2001 RY47
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M.P.E.C. 2001-S04 Issued 2001 Sept. 17, 18:10 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 RY47
Observations:
K01R47Y* C2001 09 15.44736 04 33 00.38 +16 55 29.2 18.7 644
K01R47Y C2001 09 15.45891 04 32 58.56 +16 55 57.4 18.6 644
K01R47Y C2001 09 15.46969 04 32 56.85 +16 56 22.8 19.6 644
K01R47Y C2001 09 15.74912 04 32 15.52 +17 07 25.9 18.5 R 344
K01R47Y C2001 09 15.75843 04 32 14.05 +17 07 48.2 18.6 R 344
K01R47Y C2001 09 15.76741 04 32 12.59 +17 08 10.1 18.5 R 344
K01R47Y C2001 09 16.45929 04 30 26.60 +17 35 52.9 19.4 644
K01R47Y C2001 09 16.48027 04 30 23.13 +17 36 43.7 19.2 644
K01R47Y C2001 09 16.50199 04 30 19.49 +17 37 36.7 18.9 644
K01R47Y C2001 09 16.83375 04 29 26.88 +17 50 59.1 18.7 R 344
K01R47Y C2001 09 16.84598 04 29 24.81 +17 51 28.6 18.8 R 344
K01R47Y C2001 09 17.37652 04 28 00.54 +18 13 01.2 19.1 644
K01R47Y C2001 09 17.39780 04 27 56.87 +18 13 54.1 19.2 644
K01R47Y C2001 09 17.41904 04 27 53.22 +18 14 47.0 18.8 644
Observer details:
344 Bohyunsan Optical Astronomy Observatory. Observers Y.-B. Jeon, Y.-H.
Park, H. Lee, K. J. Choo. Measurer Y.-B. Jeon. 1.8-m f/8 reflector + CCD.
644 Palomar Mountain/NEAT. Observers E. F. Helin, S. Pravdo, K. Lawrence,
M. Hicks, E. Hovland, T. Bickler, J. Schroeder, L. Scherr, R. Thicksten,
A. Deetz. 1.2-m Schmidt + CCD.
Orbital elements:
2001 RY47
Epoch 2001 Sept. 8.0 TT = JDT 2452160.5 Spahr
M 98.00891 (2000.0) P Q
n 1.14708539 Peri. 213.50653 -0.71399552 +0.69757768
a 0.9037998 Node 11.35356 -0.55668837 -0.51366838
e 0.3955555 Incl. 17.73423 -0.42462743 -0.49952995
P 0.86 H 18.8 G 0.15
From 14 observations 2001 Sept. 15-17.
Ephemeris:
2001 RY47 a,e,i = 0.90, 0.40, 18 q = 0.5463
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2001 09 08 04 48.17 +12 19.1 0.314 1.072 93.2 69.8 18.9
2001 09 18 04 26.25 +18 38.8 0.282 1.121 107.3 58.8 18.4
2001 09 28 03 48.91 +25 54.5 0.254 1.163 124.0 45.6 17.9
2001 10 08 02 49.83 +32 45.9 0.240 1.198 142.0 30.9 17.4
2001 10 18 01 35.49 +36 23.0 0.250 1.225 153.2 21.6 17.3
2001 10 28 00 30.36 +35 49.6 0.284 1.244 148.2 24.9 17.7
2001 11 07 23 49.12 +33 20.3 0.337 1.256 136.2 33.1 18.3
2001 11 17 23 28.46 +30 51.5 0.401 1.261 124.7 40.1 18.9
2001 11 27 23 21.49 +29 04.1 0.470 1.259 114.9 45.3 19.4
2001 12 07 23 23.14 +28 01.6 0.538 1.249 106.4 49.2 19.8
2001 12 17 23 30.45 +27 36.7 0.603 1.231 98.9 52.1 20.1
2001 12 27 23 41.76 +27 42.7 0.662 1.207 92.2 54.5 20.3
2002 01 06 23 55.96 +28 12.4 0.712 1.174 86.1 56.7 20.5
2002 01 16 00 12.52 +28 59.1 0.750 1.134 80.5 58.8 20.6
2002 01 26 00 31.05 +29 57.3 0.775 1.087 75.3 61.1 20.6
2002 02 05 00 51.25 +30 59.9 0.785 1.032 70.3 64.0 20.6
2002 02 15 01 12.89 +31 58.1 0.777 0.970 65.4 67.8 20.6
Timothy B. Spahr (C) Copyright 2001 MPC M.P.E.C. 2001-S04
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