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M.P.E.C. 2001-S05 Issued 2001 Sept. 17, 18:21 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 08 19.27366 22 01 30.41 -24 35 51.9 19.0 N 704
PK01R010 C2001 08 19.28633 22 01 29.57 -24 35 55.7 19.2 N 704
PK01R010 C2001 08 19.29901 22 01 28.67 -24 35 59.3 19.2 N 704
PK01R010 C2001 08 19.31182 22 01 27.83 -24 36 03.0 19.5 N 704
PK01R010 C2001 08 19.32450 22 01 26.89 -24 36 07.0 19.3 N 704
PK01R010 C2001 09 10.19298 21 36 46.25 -25 58 32.1 17.6 T 699
PK01R010 C2001 09 10.20393 21 36 45.63 -25 58 31.9 699
PK01R010 C2001 09 10.21490 21 36 44.92 -25 58 32.3 699
PK01R010 C2001 09 10.22590 21 36 44.17 -25 58 34.8 699
PK01R010 C2001 09 11.17999 21 35 45.43 -25 59 42.5 918
PK01R010 C2001 09 11.18628 21 35 45.02 -25 59 42.4 918
PK01R010 C2001 09 11.19080 21 35 44.74 -25 59 43.6 918
PK01R010 C2001 09 11.19527 21 35 44.53 -25 59 43.2 918
PK01R010 C2001 09 11.20365 21 35 43.88 -25 59 43.1 19.1 T 704
PK01R010 C2001 09 11.20507 21 35 43.70 -25 59 44.5 18.4 T 649
PK01R010 C2001 09 11.21875 21 35 42.94 -25 59 43.8 19.1 T 704
PK01R010 C2001 09 11.23247 21 35 41.97 -25 59 45.9 18.4 T 649
PK01R010 C2001 09 11.23368 21 35 42.00 -25 59 44.5 19.0 T 704
PK01R010 C2001 09 11.24603 21 35 41.12 -25 59 46.9 18.4 T 649
PK01R010 C2001 09 11.24860 21 35 41.03 -25 59 46.1 19.3 T 704
PK01R010 C2001 09 11.26351 21 35 40.13 -25 59 46.5 19.2 T 704
PK01R010 C2001 09 11.55271 21 35 22.46 -25 59 55.4 17.3 T 474
PK01R010 C2001 09 11.55449 21 35 22.33 -25 59 55.8 17.2 T 474
PK01R010 C2001 09 11.55599 21 35 22.21 -25 59 55.5 17.8 T 474
PK01R010 C2001 09 11.56196 21 35 21.85 -25 59 55.9 17.3 T 474
PK01R010 C2001 09 14.89596 21 32 07.95 -26 01 47.5 18.1 T 941
PK01R010 C2001 09 14.90172 21 32 07.60 -26 01 47.1 18.1 T 941
PK01R010 C2001 09 14.90448 21 32 07.59 -26 01 46.9 18.1 T 941
PK01R010 C2001 09 14.90730 21 32 07.45 -26 01 46.8 18.1 T 941
PK01R010 C2001 09 15.89003 21 31 13.50 -26 01 45.5 18.0 T 170
PK01R010 C2001 09 15.91240 21 31 12.31 -26 01 43.3 18.0 T 170
PK01R010 C2001 09 15.93078 21 31 11.35 -26 01 42.0 18.0 T 170
PK01R010 C2001 09 17.49348 21 29 48.87 -26 00 59.1 18.3 T 428
PK01R010 C2001 09 17.49973 21 29 48.55 -26 00 58.6 18.2 T 428
Observer details:
170 Observatorio de Beques. Observer J. Manteca. 0.26-m Schmidt-Cassegrain
+ CCD.
428 Reedy Creek. Observer J. Broughton. 0.25-m f/6.3 Schmidt-Cassegrain
+ CCD.
474 Mount John Observatory, Lake Tekapo. Observer A. C. Gilmore.
1.0-m f/7.7 reflector + CCD.
649 Powell Observatory, Louisburg. Observers K. Smalley, R. Fredrick.
0.75-m reflector + CCD.
699 Lowell Observatory-LONEOS. Observer M. E. Van Ness. 0.59-m LONEOS
Schmidt + 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.
918 Badlands Observatory, Quinn. Observer R. Dyvig. 0.66-m f/4.8 reflector
+ CCD.
941 Observatorio Pla D'Arguines. Observer R. Ferrando. 0.26-m f/10
Schmidt-Cassegrain + CCD.
Orbital elements:
P/2001 R1 (LONEOS)
T 2002 Feb. 17.5491 TT Marsden
q 1.360575 (2000.0) P Q
n 0.1521653 Peri. 24.7215 +0.4984554 -0.8639890
a 3.474767 Node 35.5016 +0.7736006 +0.4062481
e 0.608441 Incl. 7.0396 +0.3912599 +0.2974651
P 6.48
From 32 observations 2001 Aug. 19-Sept. 17.
Ephemeris:
P/2001 R1 (LONEOS)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2001 09 08 21 39.09 -25 55.0 1.246 2.183 151.0 12.9 17.9
2001 09 18 21 29.39 -26 00.6 1.241 2.112 140.0 17.8 17.7
2001 09 28 21 22.67 -25 40.3 1.253 2.042 129.4 22.3 17.6
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 50.7 1.311 1.903 110.4 29.4 17.4
2001 10 28 21 26.14 -22 26.6 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 47.23 -18 47.2 1.423 1.705 88.0 35.4 17.1
2001 11 27 22 02.31 -16 32.1 1.457 1.644 82.1 36.5 17.0
2001 12 07 22 19.90 -13 59.8 1.488 1.586 76.8 37.2 16.9
2001 12 17 22 39.69 -11 10.3 1.515 1.533 72.2 37.7 16.8
2001 12 27 23 01.46 -08 03.7 1.538 1.486 68.2 37.9 16.7
2002 01 06 23 25.01 -04 41.5 1.560 1.445 64.7 38.0 16.6
2002 01 16 23 50.25 -01 05.6 1.580 1.411 61.7 37.9 16.5
2002 01 26 00 17.12 +02 40.7 1.602 1.385 59.2 37.6 16.4
2002 02 05 00 45.58 +06 32.6 1.626 1.368 57.1 37.2 16.4
2002 02 15 01 15.64 +10 24.4 1.654 1.361 55.3 36.6 16.4
2002 02 25 01 47.28 +14 09.2 1.689 1.363 53.8 35.9 16.5
2002 03 07 02 20.41 +17 39.7 1.731 1.375 52.5 34.9 16.6
2002 03 17 02 54.88 +20 48.7 1.783 1.396 51.3 33.8 16.7
2002 03 27 03 30.42 +23 29.8 1.844 1.426 50.1 32.4 16.9
2002 04 06 04 06.61 +25 38.1 1.916 1.464 48.7 30.9 17.1
2002 04 16 04 42.96 +27 11.1 1.997 1.508 47.3 29.3 17.3
2002 04 26 05 18.93 +28 08.3 2.087 1.558 45.6 27.5 17.5
2002 05 06 05 53.99 +28 31.5 2.186 1.614 43.6 25.6 17.8
2002 05 16 06 27.73 +28 24.0 2.291 1.673 41.4 23.6 18.0
2002 05 26 06 59.83 +27 50.0 2.402 1.735 39.0 21.5 18.3
2002 06 05 07 30.13 +26 54.1 2.516 1.801 36.2 19.4 18.6
2002 06 15 07 58.61 +25 40.7 2.633 1.868 33.2 17.3 18.8
Brian G. Marsden (C) Copyright 2001 MPC M.P.E.C. 2001-S05
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