MPEC 2006-E07 : 2005 UN398
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M.P.E.C. 2006-E07 Issued 2006 Mar. 3, 15:18 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
Supported in part by the TABASGO Foundation
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
2005 UN398
Additional Observations:
K05Ud8N 9 1985 09 07.56697 23 27 23.34 -12 58 18.0 EE007260
K05Ud8N 9 1985 09 07.61905 23 27 21.96 -12 58 49.2 EE007260
K05Ud8N 9 1995 10 15.56755 01 53 13.29 -07 54 07.5 EE007260
K05Ud8N 9 1995 10 15.63005 01 53 11.40 -07 54 31.9 EE007260
Observer details:
260 Siding Spring-DSS. Observer M. Hartley. Measurers M. Tombelli, S. Foglia,
G. Forti, M. Read. 1.2-m Schmidt.
Orbital elements:
2005 UN398
Epoch 2006 Mar. 6.0 TT = JDT 2453800.5 MPC
M 20.85843 (2000.0) P Q
n 0.09954077 Peri. 233.36546 +0.95653945 -0.26349703
a 4.6110735 Node 141.46435 +0.28713173 +0.92581382
e 0.5165107 Incl. 11.56569 -0.05086899 +0.27099461
P 9.90 H 13.9 G 0.15 U 2
From 76 observations at 3 oppositions, 1985-2006, mean residual 0".45.
Ephemeris:
2005 UN398 a,e,i = 4.61, 0.52, 12 q = 2.2294
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2006 02 24 03 48.28 +09 13.3 2.696 2.738 81.9 21.0 19.3
2006 03 06 04 00.39 +10 33.8 2.864 2.781 75.2 20.2 19.4
2006 03 16 04 13.37 +11 48.5 3.031 2.826 68.7 19.1 19.5
2006 03 26 04 27.04 +12 56.6 3.194 2.871 62.3 17.9 19.6
2006 04 05 04 41.28 +13 57.6 3.353 2.916 56.1 16.5 19.7
Timothy B. Spahr (C) Copyright 2006 MPC M.P.E.C. 2006-E07
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