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M.P.E.C. 2001-Y28 Issued 2001 Dec. 20, 20:08 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 YP2
Observations:
K01Y02P* C2001 12 18.43008 08 10 50.53 +26 03 01.7 19.2 644
K01Y02P C2001 12 18.44065 08 10 49.41 +26 03 41.2 19.4 644
K01Y02P C2001 12 18.45110 08 10 48.32 +26 04 20.3 19.3 644
K01Y02P C2001 12 19.36416 08 09 17.16 +27 01 04.0 918
K01Y02P C2001 12 19.36993 08 09 16.61 +27 01 26.1 19.3 R 918
K01Y02P C2001 12 19.37560 08 09 15.77 +27 01 48.5 918
K01Y02P C2001 12 19.44704 08 09 08.22 +27 06 14.7 19.4 704
K01Y02P C2001 12 19.45949 08 09 06.83 +27 07 00.6 19.1 704
K01Y02P C2001 12 19.46830 08 09 06.10 +27 07 34.0 19.1 644
K01Y02P C2001 12 19.47463 08 09 05.17 +27 07 56.7 19.1 704
K01Y02P C2001 12 19.47743 08 09 04.91 +27 08 07.1 19.5 704
K01Y02P C2001 12 19.47891 08 09 04.92 +27 08 13.1 19.1 644
K01Y02P C2001 12 19.48928 08 09 03.79 +27 08 50.9 18.9 644
K01Y02P C2001 12 19.48999 08 09 03.48 +27 08 53.0 18.8 704
K01Y02P C2001 12 19.49257 08 09 03.20 +27 09 03.8 19.7 704
K01Y02P C2001 12 19.50513 08 09 01.93 +27 09 49.7 19.5 704
K01Y02P C2001 12 19.50797 08 09 01.55 +27 09 59.6 19.4 704
K01Y02P C2001 12 19.52026 08 09 00.23 +27 10 44.3 19.0 704
K01Y02P C2001 12 20.37293 08 07 31.87 +28 03 04.2 18.9 R 649
K01Y02P C2001 12 20.37728 08 07 31.40 +28 03 19.7 18.8 R 649
K01Y02P C2001 12 20.38142 08 07 30.93 +28 03 34.9 18.8 R 649
K01Y02P C2001 12 20.50459 08 07 17.36 +28 11 05.9 19.2 644
K01Y02P C2001 12 20.51520 08 07 16.13 +28 11 44.5 19.5 644
K01Y02P C2001 12 20.52572 08 07 15.00 +28 12 22.5 20.1 644
Observer details:
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.
649 Powell Observatory, Louisburg. Observers K. Smalley, R. Fredrick.
Measurer K. Smalley. 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.
918 Badlands Observatory, Quinn. Observer R. Dyvig. 0.66-m f/4.8 reflector
+ CCD.
Orbital elements:
2001 YP2
Epoch 2001 Dec. 17.0 TT = JDT 2452260.5 MPC
M 26.04962 (2000.0) P Q
n 0.32527542 Peri. 288.96731 +0.80851076 -0.33730377
a 2.0939608 Node 93.22174 +0.52212376 +0.78917575
e 0.5008391 Incl. 28.88046 -0.27147217 +0.51325218
P 3.03 H 18.7 G 0.15
From 24 observations 2001 Dec. 18-20.
Ephemeris:
2001 YP2 a,e,i = 2.09, 0.50, 29 q = 1.0452
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2001 12 17 08 13.11 +24 32.9 0.453 1.379 144.8 24.3 18.8
2001 12 27 07 54.50 +34 22.7 0.489 1.447 157.2 15.3 18.8
2002 01 06 07 31.76 +41 53.7 0.553 1.515 160.0 12.8 19.1
2002 01 16 07 09.75 +46 42.9 0.643 1.584 153.0 16.4 19.6
2002 01 26 06 53.14 +49 19.7 0.753 1.652 143.5 20.7 20.2
2002 02 05 06 44.00 +50 28.3 0.880 1.720 134.3 24.2 20.7
2002 02 15 06 42.13 +50 43.5 1.019 1.787 125.9 26.6 21.2
2002 02 25 06 46.35 +50 27.6 1.168 1.854 118.2 28.1 21.6
2002 03 07 06 55.17 +49 52.8 1.324 1.918 111.0 28.9 22.0
Timothy B. Spahr (C) Copyright 2001 MPC M.P.E.C. 2001-Y28
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