MPEC 2005-H21 : 2004 UP10
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M.P.E.C. 2005-H21 Issued 2005 Apr. 21, 15:34 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.
Supported in part by the Brinson Foundation
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
2004 UP10
Observations:
K04U10P* C2004 10 16.02931 00 13 53.82 +00 40 58.2 EH021304
K04U10P C2004 10 16.07349 00 13 53.56 +00 40 56.4 EH021304
K04U10P C2004 10 16.11233 00 13 53.35 +00 40 54.9 EH021304
K04U10P C2004 12 12.30201 00 10 39.61 +00 21 40.4 23.5 R EH021568
K04U10P C2004 12 13.31117 00 10 39.46 +00 21 41.7 23.3 R EH021568
K04U10P C2004 12 14.30574 00 10 39.44 +00 21 43.7 23.3 R EH021568
Observer details:
304 Las Campanas Observatory. Observers S. S. Sheppard, C. Trujillo.
Measurer S. S. Sheppard. 6.5-m Magellan-Baade telescope + CCD.
568 Mauna Kea. Observers S. S. Sheppard, D. C. Jewitt. Measurer S. S.
Sheppard. 8.3-m Subaru telescope + CCD
Orbital elements:
2004 UP10
Epoch 2004 Nov. 11.0 TT = JDT 2453320.5 MPC
M 0.15621 (2000.0) P Q
n 0.00597710 Peri. 329.35391 +0.99735195 -0.07131541
a 30.0706335 Node 34.74445 +0.07076314 +0.90637316
e 0.0208183 Incl. 1.43327 +0.01678311 +0.41641542
P 165 H 8.9 G 0.15
From 6 observations 2004 Oct. 16-Dec. 14.
Ephemeris:
2004 UP10 a,e,i = 30.07, 0.02, 1 q = 29.445
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2005 04 30 00 24.60 +01 54.8 30.282 29.445 33.3 1.1 23.8
2005 05 10 00 25.77 +02 02.3 30.179 29.445 42.7 1.3 23.8
2005 05 20 00 26.81 +02 08.9 30.057 29.445 52.0 1.6 23.8
2005 05 30 00 27.71 +02 14.6 29.917 29.445 61.4 1.7 23.8
2005 06 09 00 28.43 +02 19.1 29.764 29.445 70.8 1.9 23.8
2005 06 19 00 28.97 +02 22.4 29.601 29.445 80.2 1.9 23.8
2005 06 29 00 29.31 +02 24.5 29.434 29.445 89.6 2.0 23.8
2005 07 09 00 29.45 +02 25.2 29.267 29.445 99.1 2.0 23.8
2005 07 19 00 29.39 +02 24.6 29.104 29.445 108.7 1.9 23.8
2005 07 29 00 29.13 +02 22.8 28.950 29.445 118.3 1.7 23.8
2005 08 08 00 28.69 +02 19.8 28.810 29.445 128.0 1.6 23.7
2005 08 18 00 28.07 +02 15.7 28.688 29.445 137.7 1.3 23.7
2005 08 28 00 27.30 +02 10.7 28.587 29.445 147.6 1.1 23.7
2005 09 07 00 26.42 +02 05.0 28.511 29.445 157.5 0.8 23.6
2005 09 17 00 25.44 +01 58.7 28.463 29.445 167.5 0.4 23.6
2005 09 27 00 24.42 +01 52.2 28.444 29.445 177.5 0.1 23.5
2005 10 07 00 23.39 +01 45.6 28.454 29.445 172.3 0.3 23.6
2005 10 17 00 22.38 +01 39.3 28.495 29.445 162.1 0.6 23.6
2005 10 27 00 21.45 +01 33.4 28.564 29.445 151.9 0.9 23.7
2005 11 06 00 20.62 +01 28.3 28.661 29.445 141.7 1.2 23.7
2005 11 16 00 19.94 +01 24.2 28.781 29.445 131.5 1.4 23.7
2005 11 26 00 19.43 +01 21.2 28.921 29.445 121.2 1.6 23.8
2005 12 06 00 19.10 +01 19.4 29.077 29.445 111.0 1.8 23.8
2005 12 16 00 18.99 +01 19.0 29.244 29.445 100.8 1.9 23.8
2005 12 26 00 19.09 +01 20.0 29.417 29.445 90.7 1.9 23.8
2006 01 05 00 19.40 +01 22.4 29.590 29.445 80.6 1.9 23.8
2006 01 15 00 19.93 +01 26.2 29.759 29.445 70.5 1.8 23.8
2006 01 25 00 20.65 +01 31.2 29.917 29.445 60.6 1.7 23.8
2006 02 04 00 21.55 +01 37.3 30.061 29.445 50.6 1.5 23.8
2006 02 14 00 22.61 +01 44.4 30.186 29.445 40.8 1.3 23.8
2006 02 24 00 23.80 +01 52.3 30.289 29.445 31.1 1.0 23.8
The assumed perihelic Neptune 1:1-resonance orbit keeps the object more
than 21 AU from Neptune over a 14 000-year period. 2004 UP10 is located close
to, but is distinct from, 2001 QR322.
Brian G. Marsden (C) Copyright 2005 MPC M.P.E.C. 2005-H21
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