MPEC 2004-X78 : 2004 XN50
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M.P.E.C. 2004-X78 Issued 2004 Dec. 15, 02:38 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 XN50
Observations:
K04X50N* C2004 12 14.06594 23 18 21.33 -01 50 39.3 18.2 EX078704
K04X50N C2004 12 14.07875 23 18 35.58 -01 48 56.9 18.5 EX078704
K04X50N C2004 12 14.09213 23 18 50.54 -01 47 09.7 18.6 EX078704
K04X50N C2004 12 14.10494 23 19 04.75 -01 45 27.2 18.4 EX078704
K04X50N C2004 12 14.11776 23 19 19.01 -01 43 44.9 18.4 EX078704
K04X50N 4C2004 12 15.05479 23 36 24.39 +00 17 23.8 17.6 R EX078H06
K04X50N 4C2004 12 15.05705 23 36 26.74 +00 17 40.3 17.9 R EX078H06
K04X50N 4C2004 12 15.05927 23 36 29.08 +00 17 57.3 17.7 R EX078H06
K04X50N C2004 12 15.06966 23 36 40.15 +00 19 16.7 17.2 R EX078651
K04X50N C2004 12 15.07337 23 36 44.00 +00 19 43.6 17.3 R EX078651
K04X50N C2004 12 15.07442 23 36 44.98 +00 19 54.0 17.5 R EX078651
K04X50N C2004 12 15.08264 23 36 53.45 +00 20 52.6 18.0 R EX078448
K04X50N C2004 12 15.08429 23 36 55.16 +00 21 05.5 18.0 R EX078448
K04X50N C2004 12 15.08595 23 36 56.87 +00 21 17.7 17.9 R EX078448
K04X50N C2004 12 15.08760 23 36 58.61 +00 21 30.2 18.1 R EX078448
K04X50N C2004 12 15.08925 23 37 00.33 +00 21 42.4 17.9 R EX078448
Observer details:
448 Desert Moon Observatory. Observer B. L. Stevens. 0.3-m
Schmidt-Cassegrain + CCD.
651 Grasslands Observatory, Tucson. Observer J. E. McGaha. 0.62-m f/5.1
Newtonian reflector + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly,
M. Bezpalko, R. Huber, L. Manguso, D. Torres, R. Kracke, M. McCleary,
H. Stange, A. Milner. Measurers J. Stuart, R. Sayer, J. Evans, J. Kommers.
1.0-m f/2.15 reflector + CCD.
H06 New Mexico Skies Observatory. Observer F. Hormuth. 0.25-m reflector
+ CCD.
Orbital elements:
2004 XN50
Epoch 2004 Dec. 1.0 TT = JDT 2453340.5 MPC
M 20.31329 (2000.0) P Q
n 0.59288582 Peri. 250.44517 +0.69628875 +0.71608395
a 1.4033156 Node 63.78585 -0.63634231 +0.64747431
e 0.7295489 Incl. 3.13401 -0.33203983 +0.26076962
P 1.66 H 19.0 G 0.15
From 16 observations 2004 Dec. 14-15.
Ephemeris:
2004 XN50 a,e,i = 1.40, 0.73, 3 q = 0.3795
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2004 12 11 22 15.88 -08 58.8 0.171 0.950 73.4 96.7 18.5
2004 12 21 00 59.68 +09 48.7 0.245 1.085 108.1 59.5 18.3
2004 12 31 02 13.55 +16 51.2 0.388 1.211 117.2 46.3 19.1
2005 01 10 02 52.79 +19 46.2 0.552 1.327 116.8 41.4 19.9
2005 01 20 03 19.56 +21 23.7 0.727 1.434 113.1 39.1 20.6
2005 01 30 03 41.10 +22 29.8 0.910 1.534 108.1 37.6 21.2
2005 02 09 04 00.25 +23 19.6 1.099 1.627 102.4 36.3 21.7
Timothy B. Spahr (C) Copyright 2004 MPC M.P.E.C. 2004-X78
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