MPEC 2001-X31 : 2001 XG1
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M.P.E.C. 2001-X31 Issued 2001 Dec. 9, 04:14 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 XG1
Observations:
K01X01G* C2001 12 08.15022 01 50 04.46 +42 00 07.1 17.5 704
K01X01G C2001 12 08.16532 01 49 29.26 +42 04 16.5 17.3 704
K01X01G C2001 12 08.18045 01 48 53.70 +42 08 25.4 17.3 704
K01X01G C2001 12 08.19557 01 48 17.94 +42 12 33.4 17.1 704
K01X01G C2001 12 08.21067 01 47 41.98 +42 16 40.8 17.2 704
K01X01G C2001 12 09.02913 01 09 07.87 +46 13 22.2 16.6 V 611
K01X01G C2001 12 09.03012 01 09 04.39 +46 13 38.8 611
K01X01G C2001 12 09.03094 01 09 01.50 +46 13 52.8 611
K01X01G C2001 12 09.03322 01 08 53.62 +46 14 32.4 611
K01X01G C2001 12 09.03425 01 08 50.10 +46 14 49.9 611
K01X01G C2001 12 09.04074 01 08 26.96 +46 16 23.0 118
K01X01G C2001 12 09.04115 01 08 25.54 +46 16 30.3 118
K01X01G C2001 12 09.04230 01 08 21.53 +46 16 49.9 118
K01X01G C2001 12 09.04272 01 08 20.08 +46 16 57.1 118
K01X01G C2001 12 09.04351 01 08 17.41 +46 17 10.8 118
K01X01G C2001 12 09.04397 01 08 15.92 +46 17 17.7 118
K01X01G C2001 12 09.08752 01 06 02.01 +46 33 43.1 739
K01X01G C2001 12 09.09219 01 05 44.37 +46 35 06.7 739
K01X01G C2001 12 09.09564 01 05 31.82 +46 36 10.1 739
Observer details:
118 Modra. Observers A. Galad, L. Kornos. 0.6-m f/5.5 reflector + CCD.
611 Starkenburg. Observers M. Busch, R. Stoss. 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.
739 Sunflower Observatory, Olathe. Observer L. Robinson. 0.30-m
Schmidt-Cassegrain + CCD.
Orbital elements:
2001 XG1
Epoch 2001 Oct. 18.0 TT = JDT 2452200.5 MPC
M 326.73215 (2000.0) P Q
n 0.35376986 Peri. 80.77735 -0.74116105 -0.66980976
a 1.9799558 Node 57.15527 +0.59292482 -0.68463801
e 0.5927018 Incl. 3.07808 +0.31483400 -0.28744683
P 2.79 H 22.3 G 0.15 U 7
Residuals in seconds of arc
011208 704 1.0- 0.2+ 011209 611 1.3- 0.4- 011209 118 1.1+ 0.2+
011208 704 0.2- 0.3+ 011209 611 0.7- 0.1+ 011209 118 (2.3+ 0.8-)
011208 704 0.1+ 0.0 011209 611 0.0 0.0 011209 739 0.4+ 0.3-
011208 704 0.5+ 0.3- 011209 118 0.4+ 0.3- 011209 739 (2.8- 1.0-)
011208 704 0.7+ 0.3- 011209 118 0.5+ 0.0 011209 739 0.0 0.2+
011209 611 0.5- 0.0 011209 118 0.3+ 0.0
011209 611 0.9- 0.4- 011209 118 0.4+ 0.0
Ephemeris:
2001 XG1 a,e,i = 1.98, 0.59, 3 q = 0.8064
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2001 12 07.0 02 22.95 +37 19.1 0.042 1.020 144.3 34.3 16.9
2001 12 07.5 02 10.68 +39 12.1 0.039 1.016 141.2 37.5 16.8
2001 12 08.0 01 55.41 +41 18.7 0.036 1.012 137.5 41.1 16.7
2001 12 08.5 01 36.06 +43 38.1 0.033 1.008 133.2 45.4 16.6
2001 12 09.0 01 11.14 +46 06.5 0.030 1.004 128.1 50.5 16.6
2001 12 09.5 00 38.75 +48 33.9 0.028 1.000 122.2 56.5 16.6
2001 12 10.0 23 56.95 +50 39.4 0.026 0.996 115.2 63.5 16.6
2001 12 10.5 23 05.07 +51 48.8 0.024 0.992 107.1 71.6 16.7
2001 12 11.0 22 05.93 +51 21.8 0.023 0.988 98.1 80.6 16.9
2001 12 11.5 21 06.42 +48 54.9 0.022 0.984 88.5 90.2 17.2
2001 12 12.0 20 13.66 +44 42.7 0.023 0.981 78.9 99.8 17.7
2001 12 12.5 19 30.91 +39 29.3 0.024 0.977 69.8 108.9 18.2
2001 12 13.0 18 57.73 +34 01.3 0.025 0.973 61.6 117.1 18.9
2001 12 13.5 18 32.22 +28 50.5 0.027 0.969 54.6 124.1 19.6
2001 12 14.0 18 12.44 +24 12.0 0.029 0.965 48.8 129.9 20.3
2001 12 14.5 17 56.88 +20 10.0 0.032 0.962 44.0 134.7 20.9
2001 12 15.0 17 44.42 +16 42.5 0.035 0.958 40.1 138.5 21.6
2001 12 15.5 17 34.28 +13 45.3 0.038 0.954 37.0 141.6 22.2
2001 12 16.0 17 25.90 +11 13.7 0.041 0.951 34.6 144.0 22.7
2001 12 16.5 17 18.87 +09 03.6 0.044 0.947 32.7 145.9 23.1
2001 12 17.0 17 12.91 +07 11.1 0.048 0.943 31.2 147.3 23.5
Brian G. Marsden (C) Copyright 2001 MPC M.P.E.C. 2001-X31
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