MPEC 2001-U31 : 2001 UZ4
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M.P.E.C. 2001-U31 Issued 2001 Oct. 22, 17:19 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 UZ4
Observations:
K01U04Z* C2001 10 17.24225 00 28 55.30 +08 43 20.3 19.4 704
K01U04Z C2001 10 17.25840 00 28 52.94 +08 44 33.0 20.0 704
K01U04Z C2001 10 17.27438 00 28 50.60 +08 45 46.8 20.3 704
K01U04Z C2001 10 17.29036 00 28 48.31 +08 47 01.1 20.2 704
K01U04Z C2001 10 18.15555 00 26 52.36 +09 52 53.1 19.7 704
K01U04Z C2001 10 18.17127 00 26 50.10 +09 54 04.8 20.1 704
K01U04Z C2001 10 18.18699 00 26 47.87 +09 55 16.3 19.9 704
K01U04Z C2001 10 18.20271 00 26 45.60 +09 56 28.8 20.4 704
K01U04Z C2001 10 18.21845 00 26 43.36 +09 57 41.1 20.4 704
K01U04Z C2001 10 19.36047 00 24 09.64 +11 23 51.4 19.0 R 649
K01U04Z C2001 10 19.36221 00 24 09.33 +11 24 00.0 19.0 R 649
K01U04Z C2001 10 19.36566 00 24 08.91 +11 24 15.7 19.4 R 649
K01U04Z C2001 10 19.36794 00 24 08.59 +11 24 25.7 19.1 R 649
K01U04Z C2001 10 19.90833 00 22 58.75 +12 04 53.7 18.7 R 046
K01U04Z C2001 10 19.90949 00 22 58.60 +12 04 58.1 18.8 R 046
K01U04Z C2001 10 19.91160 00 22 58.25 +12 05 06.6 18.6 R 046
K01U04Z C2001 10 21.27051 00 20 02.76 +13 45 52.0 19.7 704
K01U04Z C2001 10 21.28797 00 20 00.42 +13 47 09.1 19.9 704
K01U04Z C2001 10 21.30457 00 19 58.13 +13 48 21.1 19.8 704
K01U04Z C2001 10 21.32102 00 19 55.93 +13 49 33.3 19.7 704
Observer details:
046 Klet. Observers J. Ticha, M. Tichy. 0.57-m f/5.2 reflector + CCD.
649 Powell Observatory, Louisburg. Observer K. Smalley. 0.75-m Newtonian
+ 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 UZ4
Epoch 2001 Oct. 18.0 TT = JDT 2452200.5 Spahr
M 358.13768 (2000.0) P Q
n 0.19582791 Peri. 11.55587 +0.87639035 -0.46495775
a 2.9368808 Node 17.86767 +0.40281899 +0.56484810
e 0.5583879 Incl. 24.14750 +0.26396366 +0.68173376
P 5.03 H 20.4 G 0.15
From 20 observations 2001 Oct. 17-21.
Ephemeris:
2001 UZ4 a,e,i = 2.94, 0.56, 24 q = 1.2970
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2001 10 18 00 27.21 +09 41.2 0.314 1.301 164.2 12.0 19.2
2001 10 28 00 07.09 +21 30.7 0.338 1.297 149.7 22.8 19.7
2001 11 07 23 53.96 +30 47.4 0.386 1.302 137.7 30.8 20.2
2001 11 17 23 49.48 +37 29.4 0.448 1.317 128.9 35.7 20.7
2001 11 27 23 53.73 +42 18.2 0.520 1.341 122.7 38.2 21.2
2001 12 07 00 05.76 +45 51.6 0.599 1.374 118.2 39.2 21.5
2001 12 17 00 24.52 +48 32.5 0.684 1.414 114.7 39.2 21.9
2001 12 27 00 49.03 +50 34.7 0.773 1.460 111.8 38.7 22.2
Timothy B. Spahr (C) Copyright 2001 MPC M.P.E.C. 2001-U31
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