MPEC 2001-X41 : 2001 XU4
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M.P.E.C. 2001-X41 Issued 2001 Dec. 12, 03:41 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 XU4
Observations:
K01X04U* C2001 12 09.24094 04 11 00.16 +32 17 51.7 19.2 704
K01X04U C2001 12 09.25591 04 10 58.74 +32 14 15.5 19.2 704
K01X04U C2001 12 09.27088 04 10 57.35 +32 10 39.5 19.0 704
K01X04U C2001 12 09.28587 04 10 55.94 +32 07 02.9 19.3 704
K01X04U C2001 12 09.30084 04 10 54.60 +32 03 26.1 18.9 704
K01X04U C2001 12 10.20676 04 10 33.25 +28 34 27.2 19.4 704
K01X04U C2001 12 10.20717 04 10 33.33 +28 34 23.3 19.6 704
K01X04U C2001 12 10.22223 04 10 31.97 +28 31 03.1 19.3 704
K01X04U C2001 12 10.22265 04 10 31.89 +28 30 57.9 19.5 704
K01X04U C2001 12 10.23763 04 10 30.74 +28 27 38.6 19.3 704
K01X04U C2001 12 10.23805 04 10 30.61 +28 27 33.6 19.5 704
K01X04U C2001 12 10.25298 04 10 29.54 +28 24 15.3 19.1 704
K01X04U C2001 12 10.25340 04 10 29.36 +28 24 10.2 19.5 704
K01X04U C2001 12 10.26821 04 10 28.27 +28 20 52.9 19.5 704
K01X04U C2001 12 10.26863 04 10 28.04 +28 20 47.6 19.2 704
K01X04U C2001 12 11.21068 04 10 09.72 +25 01 26.2 19.1 704
K01X04U C2001 12 11.22591 04 10 08.68 +24 58 22.0 20.3 704
K01X04U C2001 12 11.23328 04 10 08.15 +24 56 52.6 19.9 704
K01X04U C2001 12 11.24113 04 10 07.54 +24 55 18.3 20.1 704
K01X04U C2001 12 11.24893 04 10 07.02 +24 53 43.7 19.8 704
K01X04U C2001 12 11.25636 04 10 06.52 +24 52 14.0 19.9 704
K01X04U C2001 12 11.26533 04 10 05.85 +24 50 24.4 20.2 704
K01X04U C2001 12 11.27160 04 10 05.41 +24 49 08.7 20.0 704
K01X04U C2001 12 11.28105 04 10 04.67 +24 47 13.2 20.1 704
K01X04U FC2001 12 11.48604 04 10 04.81 +24 08 30.8 18.8 R 422
K01X04U FC2001 12 11.48664 04 10 04.74 +24 08 24.0 18.3 R 422
K01X04U FC2001 12 11.48703 04 10 04.82 +24 08 18.6 19.3 R 422
Observer details:
422 Loomberah. Observer G. J. Garradd. 0.45-m f/5.4 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 XU4
Epoch 2001 Nov. 27.0 TT = JDT 2452240.5 MPC
M 77.39253 (2000.0) P Q
n 0.95816046 Peri. 69.54179 +0.83437656 +0.50716543
a 1.0190071 Node 259.42383 -0.55100051 +0.75705732
e 0.1633504 Incl. 12.68546 -0.01463517 +0.41188281
P 1.03 H 23.7 G 0.15
From 26 observations 2001 Dec. 9-11.
Ephemeris:
2001 XU4 a,e,i = 1.02, 0.16, 13 q = 0.8526
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2001 12 07 04 12.63 +42 04.0 0.056 1.037 158.6 20.2 18.5
2001 12 08 04 11.79 +37 31.3 0.057 1.040 162.0 17.0 18.5
2001 12 09 04 11.13 +33 16.6 0.060 1.043 164.5 14.7 18.5
2001 12 10 04 10.61 +29 21.1 0.062 1.045 165.7 13.5 18.5
2001 12 11 04 10.20 +25 45.0 0.065 1.048 165.6 13.5 18.7
2001 12 12 04 09.90 +22 27.9 0.068 1.051 164.6 14.4 18.8
2001 12 13 04 09.68 +19 28.7 0.072 1.053 163.0 15.8 19.0
2001 12 14 04 09.54 +16 46.4 0.075 1.056 161.1 17.6 19.1
2001 12 15 04 09.47 +14 19.5 0.079 1.059 159.0 19.4 19.3
2001 12 16 04 09.46 +12 06.8 0.083 1.061 157.0 21.3 19.5
2001 12 17 04 09.50 +10 06.8 0.087 1.064 155.0 23.1 19.6
2001 12 19 04 09.76 +06 40.4 0.096 1.069 151.2 26.4 19.9
2001 12 21 04 10.20 +03 51.4 0.105 1.074 147.8 29.3 20.2
2001 12 23 04 10.82 +01 32.7 0.114 1.079 144.7 31.8 20.5
2001 12 25 04 11.59 -00 21.7 0.124 1.084 141.9 34.0 20.8
2001 12 27 04 12.50 -01 56.1 0.134 1.088 139.4 36.0 21.0
2001 12 29 04 13.54 -03 14.2 0.144 1.093 137.1 37.7 21.2
2001 12 31 04 14.70 -04 18.8 0.154 1.098 135.1 39.3 21.4
2002 01 02 04 15.98 -05 12.2 0.164 1.102 133.1 40.6 21.6
2002 01 04 04 17.36 -05 56.0 0.175 1.107 131.3 41.9 21.8
2002 01 06 04 18.86 -06 31.7 0.186 1.111 129.6 43.0 21.9
Brian G. Marsden (C) Copyright 2001 MPC M.P.E.C. 2001-X41
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