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M.P.E.C. 2003-Y68 Issued 2003 Dec. 25, 18:13 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 NA5
Revision to MPEC 1999-O03
Additional Observations:
J99N05A 1C2003 12 24.64143 06 21 38.832+21 11 04.61 20.2 R EY068413
J99N05A 1C2003 12 24.65841 06 21 36.724+21 10 59.69 20.3 R EY068413
J99N05A 1C2003 12 24.66727 06 21 35.620+21 10 56.87 20.2 R EY068413
J99N05A 1C2003 12 25.53683 06 19 52.10 +21 06 51.4 20.6 R EY068413
J99N05A 1C2003 12 25.54342 06 19 51.27 +21 06 50.0 21.1 R EY068413
Observer details:
413 Siding Spring. Observer R. H. McNaught. 1.0-m f/8 reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
031224 413 0.06+ 0.01- 031225 413 0.06+ 0.01- MPO 50412 -0.050 day
Orbital elements:
1999 NA5
Epoch 2003 Dec. 27.0 TT = JDT 2453000.5 MPC
M 259.04687 (2000.0) P Q
n 0.57297206 Peri. 318.65317 -0.75357947 +0.65319330
a 1.4356451 Node 262.28643 -0.58183029 -0.71506944
e 0.2481833 Incl. 4.27494 -0.30592726 -0.24902652
P 1.72 H 20.7 G 0.15 U 3
Residuals in seconds of arc
990622 699 0.5+ 0.0 990716 046 0.3+ 0.0 990723 848 0.6- 0.5-
990622 699 0.2+ 0.8+ 990716 046 0.9- 1.2- 990723 848 0.3+ 0.6-
990622 699 0.3- 1.8- 990716 046 0.5- 0.3+ 990723 848 0.8+ 0.0
990713 704 0.1- 0.0 990716 046 0.1- 0.2- 990731 658 0.8+ 0.3+
990713 704 0.2- 0.2+ 990716 704 0.4+ 1.2+ 990731 658 0.4+ 0.4+
990713 704 0.2- 0.3+ 990716 704 0.5- 0.2- 990731 658 0.3+ 0.1+
990713 704 0.2+ 0.3+ 990716 704 0.6- 0.2- 990802 658 0.7- 0.1+
990713 704 0.0 0.5+ 990716 426 0.3+ 0.2- 990802 658 0.2+ 0.1-
990714 704 0.1+ 0.2+ 990716 426 0.6+ 0.5- 990802 658 0.1+ 0.3-
990714 704 0.4+ 0.3+ 990716 426 0.0 0.1- 990821 413 0.1+ 0.3+
990714 704 0.5+ 0.0 990720 557 0.1+ 0.2+ 990821 413 0.1- 0.3+
990714 426 0.0 0.3+ 990720 557 0.1- 0.2+ 031224 413 0.1- 0.0
990714 426 0.4+ 0.5+ 990720 557 0.1- 0.4- 031224 413 0.0 0.0
990714 426 0.2- 0.3+ 990722 402 0.2- 0.9- 031224 413 0.0 0.2-
990714 557 0.0 0.1- 990722 402 0.3- 0.2- 031225 413 0.0 0.3-
990714 557 0.3- 0.2+ 990722 402 0.5- 0.2- 031225 413 0.0 0.1+
Ephemeris:
1999 NA5 a,e,i = 1.44, 0.25, 4 q = 1.0793
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2003 12 17 06 35.88 +21 44.1 0.636 1.609 166.2 8.4 21.3
2003 12 27 06 16.91 +20 59.6 0.597 1.580 177.5 1.6 20.8
2004 01 06 05 56.53 +20 07.8 0.581 1.550 163.9 10.1 21.1
2004 01 16 05 38.53 +19 14.7 0.586 1.518 149.5 19.2 21.4
2004 01 26 05 25.87 +18 29.2 0.607 1.484 136.4 27.2 21.7
2004 02 05 05 19.95 +17 57.4 0.640 1.450 124.8 33.9 21.9
Kyle E. Smalley (C) Copyright 2003 MPC M.P.E.C. 2003-Y68
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