MPEC 2005-S56 : 2004 PT107
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M.P.E.C. 2005-S56 Issued 2005 Sept. 26, 20:51 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 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 PT107
Revision to MPEC 2004-R15
Additional Observations:
K04PA7T C2005 06 09.25287 21 23 53.87 -17 34 11.3 21.2 R ES056304
K04PA7T C2005 06 09.28494 21 23 53.77 -17 34 11.3 ES056304
K04PA7T C2005 09 24.22388 21 15 48.44 -17 59 00.8 ES056695
K04PA7T C2005 09 24.27934 21 15 48.23 -17 59 01.2 ES056695
K04PA7T C2005 09 26.32631 21 15 41.03 -17 59 13.7 ES056695
Observer details:
304 Las Campanas Observatory. Observers J. Elliot, J. Kane, C. Thomas.
Measurer S. D. Kern. 6.5-m reflector + CCD.
695 Kitt Peak. Observers J. W. Parker, A. Bieryla. 3.5-m reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc and reference
050609 304 22.5+ 8.6+ 050926 695 20.9+ 8.8+ MPO 74321
Orbital elements:
2004 PT107
Epoch 2005 Aug. 18.0 TT = JDT 2453600.5 MPC
M 340.31526 (2000.0) P Q
n 0.00382523 Peri. 17.37548 +0.90984292 +0.30811015
a 40.4915761 Node 320.92427 -0.41341308 +0.61541807
e 0.0555216 Incl. 26.16396 -0.03571398 +0.72548518
P 258 H 5.6 G 0.15 U 5
Residuals in seconds of arc
040813 807 0.0 0.1+ 040911 304 0.1+ 0.1- 050609 304 0.2- 0.2+
040813 807 0.1- 0.1+ 041010 695 0.1- 0.1- 050924 695 0.1+ 0.0
040814 807 0.0 0.1+ 041010 695 0.1- 0.0 050924 695 0.0 0.0
040911 304 0.2+ 0.1- 050609 304 0.1+ 0.0 050926 695 0.0 0.1-
Ephemeris:
2004 PT107 a,e,i = 40.49, 0.06, 26 q = 38.243
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2005 09 17 21 16.27 -17 58.1 37.594 38.388 141.8 0.9 21.5
2005 09 27 21 15.65 -17 59.3 37.711 38.388 131.9 1.1 21.6
2005 10 07 21 15.15 -17 59.8 37.849 38.387 121.9 1.3 21.6
2005 10 17 21 14.82 -17 59.7 38.003 38.387 112.0 1.4 21.6
2005 10 27 21 14.65 -17 58.7 38.167 38.386 102.0 1.5 21.6
2005 11 06 21 14.66 -17 57.0 38.338 38.386 92.0 1.5 21.6
2005 11 16 21 14.84 -17 54.4 38.510 38.385 82.0 1.5 21.6
2005 11 26 21 15.21 -17 51.1 38.678 38.385 72.0 1.4 21.6
2005 12 06 21 15.74 -17 47.1 38.836 38.384 62.0 1.3 21.6
2005 12 16 21 16.42 -17 42.4 38.981 38.384 52.1 1.2 21.6
2005 12 26 21 17.24 -17 37.2 39.107 38.383 42.1 1.0 21.6
2006 01 05 21 18.18 -17 31.5 39.211 38.382 32.2 0.8 21.6
Brian G. Marsden (C) Copyright 2005 MPC M.P.E.C. 2005-S56
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