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M.P.E.C. 2001-U06 Issued 2001 Oct. 16, 18:57 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
COMET P/2001 R1 (LONEOS)
Observations:
PK01R010 C2001 10 08.87075 21 19 41.32 -24 51 17.5 17.8 T 170
PK01R010 C2001 10 08.88122 21 19 41.21 -24 51 14.9 17.8 T 170
PK01R010 C2001 10 14.09806 21 19 58.67 -24 18 41.5 17.8 T 699
PK01R010 C2001 10 14.12461 21 19 59.10 -24 18 29.6 699
PK01R010 C2001 10 14.15121 21 19 59.14 -24 18 18.6 699
PK01R010 C2001 10 14.17792 21 19 59.41 -24 18 08.5 699
PK01R010 C2001 10 15.21475 21 20 11.05 -24 11 02.4 19.1 T 608
PK01R010 C2001 10 15.22543 21 20 11.26 -24 10 56.7 18.7 T 608
PK01R010 C2001 10 15.23617 21 20 11.41 -24 10 51.9 18.4 T 608
Observer details:
170 Observatorio de Beques. Observer J. Manteca. 0.26-m Schmidt-Cassegrain
+ CCD.
608 Haleakala-NEAT/MSSS. Observers E. F. Helin, S. Pravdo, K. Lawrence,
P. Kervin, R. Maeda, J. Africano, M. Hicks. 1.2-m reflector + CCD.
699 Lowell Observatory-LONEOS. Observer B. W. Koehn. 0.59-m LONEOS Schmidt
+ CCD.
Orbital elements:
P/2001 R1 (LONEOS)
T 2002 Feb. 17.5132 TT Marsden
q 1.360400 (2000.0) P Q
n 0.1519982 Peri. 24.7271 +0.4985266 -0.8639488
a 3.477313 Node 35.4913 +0.7735556 +0.4063089
e 0.608778 Incl. 7.0403 +0.3912582 +0.2974990
P 6.48
From 57 observations 2001 Aug. 19-Oct. 15.
Ephemeris:
P/2001 R1 (LONEOS)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2001 10 08 21 19.75 -24 56.1 1.278 1.972 119.5 26.2 17.5
2001 10 18 21 20.93 -23 50.8 1.311 1.902 110.4 29.4 17.4
2001 10 28 21 26.14 -22 26.7 1.348 1.835 102.1 32.0 17.3
2001 11 07 21 35.04 -20 45.3 1.386 1.768 94.7 34.0 17.2
2001 11 17 21 47.22 -18 47.2 1.423 1.704 88.0 35.4 17.1
2001 11 27 22 02.31 -16 32.0 1.457 1.643 82.1 36.5 17.0
2001 12 07 22 19.90 -13 59.8 1.487 1.586 76.8 37.2 16.9
2001 12 17 22 39.69 -11 10.2 1.514 1.533 72.2 37.7 16.8
2001 12 27 23 01.46 -08 03.6 1.538 1.486 68.2 37.9 16.7
2002 01 06 23 25.02 -04 41.3 1.559 1.444 64.7 38.0 16.6
2002 01 16 23 50.26 -01 05.3 1.580 1.410 61.7 37.9 16.5
2002 01 26 00 17.14 +02 41.0 1.601 1.385 59.2 37.6 16.4
2002 02 05 00 45.61 +06 33.0 1.625 1.368 57.1 37.2 16.4
2002 02 15 01 15.68 +10 24.8 1.654 1.361 55.3 36.7 16.4
2002 02 25 01 47.33 +14 09.7 1.688 1.363 53.8 35.9 16.5
2002 03 07 02 20.46 +17 40.3 1.731 1.375 52.5 34.9 16.6
2002 03 17 02 54.95 +20 49.2 1.783 1.396 51.3 33.8 16.7
2002 03 27 03 30.49 +23 30.3 1.844 1.426 50.1 32.4 16.9
2002 04 06 04 06.69 +25 38.5 1.915 1.464 48.8 30.9 17.1
2002 04 16 04 43.05 +27 11.4 1.997 1.508 47.3 29.3 17.3
2002 04 26 05 19.03 +28 08.6 2.087 1.559 45.6 27.5 17.5
2002 05 06 05 54.08 +28 31.7 2.186 1.614 43.7 25.6 17.8
2002 05 16 06 27.82 +28 24.1 2.291 1.673 41.5 23.6 18.0
2002 05 26 06 59.92 +27 50.0 2.402 1.736 39.0 21.5 18.3
2002 06 05 07 30.21 +26 54.0 2.516 1.801 36.2 19.5 18.6
2002 06 15 07 58.68 +25 40.6 2.633 1.868 33.2 17.3 18.8
Brian G. Marsden (C) Copyright 2001 MPC M.P.E.C. 2001-U06
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