MPEC 2001-P35: 2001 PL9
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M.P.E.C. 2001-P35 Issued 2001 Aug. 12, 23:34 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 PL9
Observations:
K01P09L* C2001 08 11.25618 20 59 31.98 +13 21 05.7 18.7 644
K01P09L C2001 08 11.26701 20 59 30.75 +13 20 47.9 18.5 644
K01P09L C2001 08 11.27791 20 59 29.53 +13 20 29.5 18.5 644
K01P09L C2001 08 11.83001 20 58 30.05 +13 05 02.2 18.0 R 046
K01P09L C2001 08 11.83660 20 58 29.21 +13 04 49.4 17.7 R 046
K01P09L C2001 08 11.84738 20 58 28.32 +13 04 34.3 17.9 V 151
K01P09L C2001 08 11.85120 20 58 27.73 +13 04 25.8 18.2 V 151
K01P09L C2001 08 11.85343 20 58 27.47 +13 04 21.2 18.3 V 151
K01P09L C2001 08 11.85750 20 58 27.12 +13 04 15.3 18.4 V 151
K01P09L C2001 08 11.86552 20 58 26.11 +13 04 00.6 18.1 V 151
K01P09L C2001 08 11.91090 20 58 21.02 +13 02 44.9 18.2 R 046
K01P09L C2001 08 11.91204 20 58 20.92 +13 02 42.5 046
K01P09L C2001 08 11.91321 20 58 20.77 +13 02 41.3 18.4 R 046
K01P09L C2001 08 11.94907 20 58 16.77 +13 01 40.6 557
K01P09L C2001 08 11.95425 20 58 16.21 +13 01 31.6 557
K01P09L C2001 08 11.95935 20 58 15.65 +13 01 23.0 18.8 V 557
K01P09L C2001 08 12.19701 20 57 50.44 +12 54 41.4 18.7 R 918
K01P09L C2001 08 12.20516 20 57 49.39 +12 54 27.7 918
K01P09L C2001 08 12.21081 20 57 48.78 +12 54 18.2 918
K01P09L C2001 08 12.21359 20 57 48.60 +12 54 13.8 918
K01P09L C2001 08 12.25627 20 57 43.99 +12 53 03.8 18.6 644
K01P09L C2001 08 12.26613 20 57 42.88 +12 52 47.0 18.3 644
K01P09L C2001 08 12.27695 20 57 41.67 +12 52 28.7 18.5 644
K01P09L C2001 08 12.35547 20 57 32.69 +12 50 13.5 18.8 R 649
K01P09L C2001 08 12.36014 20 57 32.16 +12 50 05.2 18.4 R 649
K01P09L C2001 08 12.36932 20 57 31.17 +12 49 49.6 18.5 R 649
K01P09L C2001 08 12.81949 20 56 43.85 +12 36 59.1 046
K01P09L C2001 08 12.82344 20 56 43.45 +12 36 52.1 046
K01P09L C2001 08 12.82441 20 56 43.35 +12 36 50.7 18.1 R 046
K01P09L C2001 08 12.82541 20 56 43.21 +12 36 48.1 046
K01P09L C2001 08 12.82637 20 56 43.18 +12 36 47.0 046
K01P09L C2001 08 12.82760 20 56 43.02 +12 36 46.1 046
K01P09L C2001 08 12.83015 20 56 42.75 +12 36 40.5 17.9 R 046
Observer details:
046 Klet. Observers J. Ticha, M. Tichy, P. Jelinek. 0.57-m f/5.2 reflector
+ CCD.
151 Eschenberg Observatory, Winterthur. Observer M. Griesser. 0.40-m f/5.8
Hypergraph.
557 Ondrejov. Observer P. Kusnirak. 0.65-m f/3.6 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.
649 Powell Observatory, Louisburg. Observers K. Smalley, D. Young. 0.75-m
Newtonian + CCD.
918 Badlands Observatory, Quinn. Observer R. Dyvig. 0.66-m f/4.8 reflector
+ CCD.
Orbital elements:
2001 PL9
Epoch 2001 July 30.0 TT = JDT 2452120.5 Williams
M 134.44538 (2000.0) P Q
n 0.71784773 Peri. 344.38747 -0.92208834 -0.38423816
a 1.2353248 Node 172.51408 +0.38196775 -0.92275958
e 0.3612689 Incl. 20.66617 +0.06207845 -0.02959373
P 1.37 H 17.3 G 0.15
From 33 observations 2001 Aug. 11-12.
Ephemeris:
2001 PL9 a,e,i = 1.24, 0.36, 21 q = 0.7890
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2001 08 09 21 03.65 +14 22.4 0.670 1.628 149.6 18.4 18.4
2001 08 19 20 46.25 +09 32.7 0.682 1.646 152.1 16.7 18.4
2001 08 29 20 32.46 +04 19.5 0.717 1.660 147.6 19.0 18.6
2001 09 08 20 23.72 -00 39.6 0.774 1.671 139.1 23.2 19.0
2001 09 18 20 20.29 -05 00.6 0.849 1.678 129.5 27.5 19.3
2001 09 28 20 21.82 -08 34.2 0.937 1.681 120.2 31.0 19.6
2001 10 08 20 27.58 -11 20.6 1.035 1.681 111.5 33.6 19.9
2001 10 18 20 36.82 -13 24.7 1.137 1.676 103.4 35.3 20.2
2001 10 28 20 48.89 -14 51.7 1.241 1.668 95.9 36.3 20.4
2001 11 07 21 03.21 -15 46.9 1.344 1.656 89.0 36.7 20.5
2001 11 17 21 19.34 -16 14.6 1.444 1.641 82.5 36.7 20.7
2001 11 27 21 36.94 -16 18.2 1.539 1.621 76.4 36.3 20.8
2001 12 07 21 55.73 -16 00.8 1.626 1.598 70.7 35.6 20.8
2001 12 17 22 15.52 -15 24.6 1.704 1.571 65.2 34.7 20.9
2001 12 27 22 36.18 -14 31.5 1.773 1.540 60.1 33.6 20.9
Gareth V. Williams (C) Copyright 2001 MPC M.P.E.C. 2001-P35
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