MPEC 2004-K12 : 1999 XR35
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M.P.E.C. 2004-K12 Issued 2004 May 18, 15:51 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 Steven and Michele Kirsch Foundation
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
1999 XR35
Revision to MPEC 1999-X18
Additional Observations:
J99X35R C2004 05 16.38403 17 19 51.89 -28 13 41.6 EK012926
J99X35R C2004 05 16.38633 17 19 51.61 -28 13 44.6 EK012926
J99X35R C2004 05 16.38866 17 19 51.40 -28 13 45.3 EK012926
J99X35R C2004 05 18.36529 17 16 44.71 -28 33 22.1 EK012926
J99X35R C2004 05 18.37432 17 16 43.77 -28 33 27.5 EK012926
J99X35R C2004 05 18.37656 17 16 43.57 -28 33 28.6 EK012926
J99X35R C2004 05 18.37883 17 16 43.38 -28 33 30.1 EK012926
Observer details:
926 Tenagra II Observatory. Observers P. R. Holvorcem, M. Schwartz. 0.81-m
f/7 Ritchey-Chretien + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
040516 926 0.07+ 0.03- 040518 926 0.07+ 0.03- MPC 38836 -0.14 day
Orbital elements:
1999 XR35
Epoch 2004 July 14.0 TT = JDT 2453200.5 MPC
M 63.17485 (2000.0) P Q
n 0.27033023 Peri. 81.04655 -0.74218740 -0.60843721
a 2.3688614 Node 60.95376 +0.41520516 -0.74656627
e 0.5103003 Incl. 18.74934 +0.52608226 -0.26915233
P 3.65 H 17.8 G 0.15 U 3
Residuals in seconds of arc
991207 704 0.2+ 0.0 991209 046 0.2- 0.0 000103 413 0.4- 0.2-
991207 704 0.9+ 0.2- 991209 046 1.3+ 0.4+ 000211 658 0.3+ 0.4+
991207 704 0.9+ 0.5- 991209 046 1.0+ 0.4- 000211 658 0.0 0.5+
991208 675 0.7- 0.4+ 991229 360 0.1- 0.2- 040516 926 1.0+ 0.5+
991208 675 0.2- 0.6+ 991229 360 1.1+ 0.1+ 040516 926 0.2+ 1.1-
991208 557 1.0- 0.6- 991229 360 0.3+ 0.8- 040516 926 0.4+ 0.4-
991208 557 0.4- 0.4+ 991230 413 0.3- 0.3+ 040518 926 0.3- 0.1+
991208 557 0.0 0.5- 991230 413 0.1- 0.1- 040518 926 0.8- 0.0
991208 557 0.4- 0.1+ 991230 413 0.1- 0.3- 040518 926 0.5- 0.2+
991209 675 0.7- 0.6+ 000103 413 0.1- 0.4- 040518 926 0.1- 0.1+
991209 675 0.6- 0.8+ 000103 413 0.1- 0.5-
991209 046 0.0 0.1+ 000103 413 0.2+ 0.4-
Ephemeris:
1999 XR35 a,e,i = 2.37, 0.51, 19 q = 1.1600
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2004 05 15 17 21.98 -27 59.4 1.110 2.061 152.5 13.1 20.4
2004 05 25 17 05.73 -29 33.3 1.130 2.123 164.5 7.3 20.2
2004 06 04 16 48.64 -30 44.3 1.176 2.185 171.7 3.8 20.2
2004 06 14 16 32.88 -31 30.9 1.250 2.246 164.8 6.8 20.5
2004 06 24 16 20.13 -31 57.4 1.348 2.305 153.9 11.2 21.0
2004 07 04 16 11.31 -32 11.2 1.469 2.363 143.1 15.0 21.3
2004 07 14 16 06.53 -32 19.0 1.609 2.419 132.9 17.9 21.7
2004 07 24 16 05.51 -32 25.4 1.764 2.474 123.5 20.0 22.0
Timothy B. Spahr (C) Copyright 2004 MPC M.P.E.C. 2004-K12
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