MPEC 2001-H13 : 2001 HC
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M.P.E.C. 2001-H13 Issued 2001 Apr. 17, 16:03 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 HC
Observations:
K01H00C* C2001 04 16.33536 15 35 11.20 -11 08 11.7 16.5 704
K01H00C C2001 04 16.34901 15 35 01.37 -11 09 06.7 18.7 704
K01H00C C2001 04 16.36262 15 34 51.61 -11 09 59.4 16.8 704
K01H00C C2001 04 16.37622 15 34 41.82 -11 10 52.3 16.9 704
K01H00C C2001 04 16.38985 15 34 32.03 -11 11 45.5 16.6 704
K01H00C C2001 04 17.02047 15 27 11.06 -11 52 27.9 15.8 615
K01H00C C2001 04 17.02159 15 27 10.26 -11 52 34.9 15.5 615
K01H00C C2001 04 17.02238 15 27 09.70 -11 52 37.9 15.8 615
K01H00C C2001 04 17.02313 15 27 09.17 -11 52 40.8 15.8 615
K01H00C C2001 04 17.02388 15 27 08.63 -11 52 40.6 15.8 615
K01H00C C2001 04 17.23748 15 24 40.73 -12 06 03.1 854
K01H00C C2001 04 17.23910 15 24 39.59 -12 06 08.3 16.1 854
K01H00C C2001 04 17.26872 15 24 18.30 -12 08 03.1 854
K01H00C C2001 04 17.27033 15 24 17.30 -12 08 09.1 16.0 854
K01H00C C2001 04 17.31777 15 23 42.44 -12 11 12.6 15.3 R 649
K01H00C C2001 04 17.31915 15 23 41.44 -12 11 17.9 15.1 R 649
K01H00C C2001 04 17.32054 15 23 40.44 -12 11 22.9 15.1 R 649
K01H00C C2001 04 17.32384 15 23 38.08 -12 11 35.3 15.2 R 649
K01H00C C2001 04 17.32608 15 23 36.47 -12 11 43.8 15.1 R 649
K01H00C C2001 04 17.40492 15 22 40.59 -12 16 36.8 17.0 R 919
K01H00C C2001 04 17.40608 15 22 39.77 -12 16 41.3 17.1 R 919
K01H00C C2001 04 17.40860 15 22 37.91 -12 16 51.2 17.1 R 919
Observer details:
615 St. Veran. Observers C. Demeautis, D. Matter, M. Hernandez, J.-C.
Le Floch. 0.62-m f/2.8 reflector + CCD.
649 Powell Observatory, Louisburg. Observer 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. Measurers J. Stuart,
R. Sayer, J. B. Evans, H. Viggh. 1.0-m f/2.15 reflector + CCD.
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.30-m f/6.1
Schmidt-Cassegrain + CCD.
919 Desert Beaver Observatory. Observer K. W. Yeung. 0.45-m reflector + CCD.
Orbital elements:
2001 HC
Epoch 2001 Apr. 1.0 TT = JDT 2452000.5 Spahr
M 86.17713 (2000.0) P Q
n 1.19640826 Peri. 28.38099 +0.50739486 -0.83055401
a 0.8787860 Node 32.73312 +0.68831316 +0.23031317
e 0.5127458 Incl. 25.12987 +0.51843558 +0.50708567
P 0.82 H 18.2 G 0.15
From 22 observations 2001 Apr. 16-17.
Ephemeris:
2001 HC a,e,i = 0.88, 0.51, 25 q = 0.4282
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2001 04 11 16 34.91 -05 03.5 0.173 1.123 131.1 42.3 16.3
2001 04 21 14 41.45 -15 39.1 0.178 1.180 168.1 10.1 15.5
2001 05 01 13 10.34 -20 49.7 0.232 1.227 159.5 16.7 16.4
2001 05 11 12 20.97 -22 17.4 0.313 1.265 139.8 31.0 17.5
2001 05 21 11 58.21 -22 47.3 0.407 1.295 126.1 39.2 18.4
2001 05 31 11 49.99 -23 14.1 0.507 1.315 115.6 44.0 19.0
2001 06 10 11 50.03 -23 51.3 0.606 1.326 107.1 47.0 19.5
2001 06 20 11 55.18 -24 40.5 0.703 1.329 99.7 48.9 19.9
2001 06 30 12 03.84 -25 41.6 0.794 1.324 93.1 50.1 20.2
2001 07 10 12 15.05 -26 53.3 0.877 1.309 87.1 50.8 20.4
2001 07 20 12 28.31 -28 13.9 0.951 1.286 81.6 51.4 20.5
2001 07 30 12 43.39 -29 42.2 1.013 1.254 76.4 51.9 20.6
2001 08 09 13 00.15 -31 16.3 1.060 1.213 71.6 52.4 20.7
2001 08 19 13 18.60 -32 53.8 1.092 1.163 67.0 53.2 20.7
2001 08 29 13 38.85 -34 32.2 1.106 1.103 62.6 54.4 20.6
Timothy B. Spahr (C) Copyright 2001 MPC M.P.E.C. 2001-H13
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