MPEC 2001-X68: 2001 XQ31
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M.P.E.C. 2001-X68 Issued 2001 Dec. 15, 15:04 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 XQ31
Observations:
K01X31Q* C2001 12 13.34970 08 36 13.60 +27 26 57.1 19.5 704
K01X31Q C2001 12 13.36507 08 36 14.50 +27 27 47.7 19.8 704
K01X31Q C2001 12 13.38079 08 36 15.49 +27 28 39.4 20.0 704
K01X31Q C2001 12 13.39605 08 36 16.37 +27 29 30.3 19.5 704
K01X31Q C2001 12 13.41154 08 36 17.25 +27 30 20.5 19.9 704
K01X31Q C2001 12 14.06751 08 36 59.77 +28 06 05.9 611
K01X31Q C2001 12 14.07069 08 36 59.97 +28 06 16.6 611
K01X31Q C2001 12 14.07368 08 37 00.03 +28 06 24.9 611
K01X31Q C2001 12 14.07646 08 37 00.16 +28 06 34.8 611
K01X31Q C2001 12 14.44536 08 37 22.76 +28 26 47.1 19.1 704
K01X31Q C2001 12 14.45217 08 37 23.16 +28 27 08.1 19.0 704
K01X31Q C2001 12 14.46072 08 37 23.58 +28 27 36.9 19.4 704
K01X31Q C2001 12 14.46737 08 37 23.91 +28 27 56.6 19.6 704
K01X31Q C2001 12 14.48262 08 37 24.76 +28 28 46.8 19.4 704
K01X31Q C2001 12 14.49143 08 37 25.19 +28 29 16.2 19.1 704
K01X31Q C2001 12 14.50678 08 37 26.04 +28 30 05.3 19.0 704
K01X31Q C2001 12 14.51337 08 37 26.39 +28 30 26.5 19.7 704
K01X31Q C2001 12 14.93394 08 37 53.71 +28 53 06.6 611
K01X31Q C2001 12 14.94258 08 37 54.00 +28 53 31.6 611
K01X31Q C2001 12 14.95241 08 37 54.78 +28 54 09.4 611
K01X31Q C2001 12 15.03982 08 37 59.17 +28 58 54.8 18.6 R 046
K01X31Q C2001 12 15.04231 08 37 59.24 +28 59 01.9 046
K01X31Q C2001 12 15.04451 08 37 59.46 +28 59 09.5 046
K01X31Q C2001 12 15.04563 08 37 59.46 +28 59 13.3 18.4 R 046
K01X31Q C2001 12 15.14140 08 38 04.33 +29 04 22.1 611
K01X31Q C2001 12 15.14493 08 38 04.66 +29 04 35.0 611
K01X31Q C2001 12 15.14944 08 38 04.99 +29 04 48.6 611
Observer details:
046 Klet. Observers J. Ticha, M. Tichy, P. Jelinek. 0.57-m f/5.2 reflector
+ CCD.
611 Starkenburg. Observers F. Hormuth, R. Stoss, P. Geffert. 0.45-m f/4.4
reflector + 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.
Orbital elements:
2001 XQ31
Epoch 2001 Nov. 27.0 TT = JDT 2452240.5 MPC
M 4.84967 (2000.0) P Q
n 0.22937260 Peri. 333.44626 +0.49736067 -0.80711161
a 2.6430681 Node 85.17642 +0.84188180 +0.36049892
e 0.5506242 Incl. 18.61789 +0.20944543 +0.46755896
P 4.30 H 19.4 G 0.15
From 25 observations 2001 Dec. 13-15.
Ephemeris:
2001 XQ31 a,e,i = 2.64, 0.55, 19 q = 1.1877
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2001 12 07 08 27.78 +21 34.3 0.349 1.242 130.9 36.9 19.1
2001 12 17 08 39.76 +30 44.0 0.361 1.280 139.3 30.1 19.0
2001 12 27 08 44.39 +38 54.5 0.390 1.325 146.3 24.3 19.1
2002 01 06 08 42.00 +45 17.4 0.435 1.378 150.1 20.8 19.3
2002 01 16 08 34.58 +49 32.7 0.496 1.435 150.2 19.9 19.7
2002 01 26 08 25.81 +51 46.8 0.572 1.497 147.0 21.0 20.1
2002 02 05 08 19.22 +52 24.4 0.662 1.562 142.1 22.8 20.6
2002 02 15 08 16.74 +51 53.5 0.765 1.629 136.4 24.7 21.0
2002 02 25 08 18.83 +50 38.4 0.879 1.697 130.4 26.4 21.5
2002 03 07 08 24.86 +48 56.4 1.005 1.767 124.4 27.6 21.9
Brian G. Marsden (C) Copyright 2001 MPC M.P.E.C. 2001-X68
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