MPEC 2007-X50 : 2007 XJ16
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M.P.E.C. 2007-X50 Issued 2007 Dec. 10, 17:46 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://www.cfa.harvard.edu/iau/mpc.html ISSN 1523-6714
2007 XJ16
Observations:
K07X16J* C2007 12 05.38279 07 23 58.57 +29 33 08.9 20.8 V EX050691
K07X16J C2007 12 05.40056 07 23 56.81 +29 33 09.7 21.1 V EX050691
K07X16J C2007 12 05.41846 07 23 55.15 +29 33 11.0 20.9 V EX050691
K07X16J C2007 12 05.53331 07 23 44.37 +29 33 17.9 21.5 V EX050291
K07X16J C2007 12 05.53743 07 23 43.99 +29 33 18.2 21.1 V EX050291
K07X16J C2007 12 05.54156 07 23 43.62 +29 33 18.1 21.3 V EX050291
K07X16J HC2007 12 06.30287 07 22 34.94 +29 34 07.8 EX050691
K07X16J HC2007 12 06.30614 07 22 34.70 +29 34 08.3 EX050691
K07X16J C2007 12 06.33959007 22 31.24 +29 34 10.0 21.5 V EX050H55
K07X16J C2007 12 06.34773507 22 30.46 +29 34 10.8 21.7 V EX050H55
K07X16J C2007 12 06.35591207 22 29.67 +29 34 11.2 21.4 V EX050H55
Observer details:
291 LPL/Spacewatch II. Observer T. H. Bressi. 1.8-m f/2.7 reflector + CCD.
691 Steward Observatory, Kitt Peak. Observers T. H. Bressi, R. S. McMillan.
Measurer R. S. McMillan. 0.9-m f/3 reflector + CCD.
H55 Astronomical Research Observatory, Charleston. Observer R. Holmes.
Measurer A. Neal. 0.81-m f/4.0 astrograph + CCD.
Orbital elements:
2007 XJ16 Earth MOID = 0.0566 AU
Epoch 2007 Dec. 6.0 TT = JDT 2454440.5 MPC
M 20.95392 (2000.0) P Q
n 0.17699666 Peri. 38.32667 +0.99651043 +0.05981228
a 3.1416611 Node 318.12973 -0.07983961 +0.88646586
e 0.6691825 Incl. 5.00408 +0.02434348 +0.45891260
P 5.57 H 19.3 G 0.15
From 11 observations 2007 Dec. 5-6.
Ephemeris:
2007 XJ16 a,e,i = 3.14, 0.67, 5 q = 1.0393
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2007 12 06 07 23.04 +29 33.8 0.911 1.806 144.6 18.4 21.3
2007 12 16 07 06.42 +29 38.7 0.945 1.893 157.9 11.3 21.3
2007 12 26 06 48.83 +29 28.6 1.003 1.980 170.5 4.7 21.2
2008 01 05 06 32.80 +29 04.0 1.088 2.065 171.1 4.2 21.4
2008 01 15 06 20.17 +28 29.8 1.199 2.149 159.7 9.1 22.0
Sonia Keys (C) Copyright 2007 MPC M.P.E.C. 2007-X50
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