MPEC 2006-A18 : 2003 NP7
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M.P.E.C. 2006-A18 Issued 2006 Jan. 5, 14:34 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
Supported in part by the TABASGO Foundation
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
2003 NP7
Revision to MPEC 2003-N43
Additional Observations:
K03N07P C2000 09 27.28416822 51 37.572+14 13 32.85 20.83V EA018645
K03N07P C2000 09 27.28764022 51 37.390+14 13 30.96 21.49 EA018645
K03N07P C2005 12 25.45117 09 46 09.87 +07 10 04.7 EA018291
K03N07P C2005 12 25.45702 09 46 09.83 +07 10 02.5 EA018291
K03N07P C2005 12 25.46281 09 46 09.77 +07 10 00.1 EA018291
K03N07P HC2006 01 05.37959 09 42 49.36 +06 07 00.3 EA018291
K03N07P C2006 01 05.38649 09 42 49.11 +06 06 58.5 22.0 V EA018291
K03N07P C2006 01 05.39544 09 42 48.82 +06 06 55.8 21.2 V EA018291
Observer details:
291 LPL/Spacewatch II. Observer T. H. Bressi. 1.8-m f/2.7 reflector + CCD.
645 Apache Point--Sloan Digitial Sky Survey.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
000927 645 0.10+ 0.05+ 060105 291 0.07- 0.03+ MPO 62445 +0.19 day
Orbital elements:
2003 NP7 Earth MOID = 0.2806 AU
Epoch 2006 Mar. 6.0 TT = JDT 2453800.5 MPC
M 306.91355 (2000.0) P Q
n 0.30594919 Peri. 323.43210 -0.35043947 +0.91798892
a 2.1812386 Node 285.39423 -0.80717678 -0.39659208
e 0.4166829 Incl. 11.10582 -0.47503454 -0.00332531
P 3.22 H 18.2 G 0.15 U 1
Residuals in seconds of arc
000927 645 0.0 0.1- 030716 649 0.0 0.3+ 030803 448 0.1- 0.4-
000927 645 0.0 0.0 030716 649 0.1+ 0.0 030803 448 0.2- 0.1-
030707 644 0.3- 0.3- 030716 649 0.5+ 0.2- 030803 448 0.7- 0.8+
030707 644 0.1+ 0.2- 030716 448 0.2+ 0.2- 030819 413 0.1+ 0.3-
030707 644 0.2+ 0.1- 030716 428 0.3+ 0.3- 031025 568 0.1- 0.1+
030711 809 0.2+ 0.3- 030716 428 0.0 0.4- 031025 568 0.0 0.0
030711 809 0.1+ 0.4- 030716 428 0.4- 0.4- 031029 696 0.2+ 1.6-
030711 809 0.1+ 0.4- 030720 448 0.1+ 0.1- 031029 696 0.8+ 1.9-
030712 711 1.8- 0.4- 030720 448 0.2- 0.0 051225 291 0.1- 0.9+
030712 711 0.5- 0.9+ 030720 448 0.1+ 0.0 051225 291 0.1+ 0.9+
030712 711 1.2- 0.2- 030726 448 0.1- 0.5+ 051225 291 0.0 0.7+
030712 809 0.3+ 0.4- 030726 448 0.1- 0.1+ 060105 291 1.2+ 0.5+
030712 809 0.2+ 0.4- 030726 448 0.7+ 1.0+ 060105 291 0.8+ 0.8+
030716 448 0.4+ 0.1- 030727 952 1.1+ 1.3+ 060105 291 0.7+ 0.9+
030716 448 0.1- 0.0 030727 952 0.1+ 1.7+
030716 448 0.1- 0.0 030727 952 1.1+ 2.1+
Ephemeris:
2003 NP7 a,e,i = 2.18, 0.42, 11 q = 1.2724
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2006 01 05 09 43.01 +06 09.0 1.435 2.264 138.0 16.9 21.7
2006 01 15 09 36.42 +05 22.4 1.315 2.217 148.9 13.2 21.3
2006 01 25 09 26.40 +04 49.0 1.217 2.169 159.9 9.0 20.9
2006 02 04 09 13.57 +04 30.7 1.145 2.119 168.1 5.5 20.6
2006 02 14 08 59.29 +04 26.9 1.100 2.069 164.9 7.2 20.5
2006 02 24 08 45.38 +04 34.9 1.081 2.018 154.1 12.4 20.6
2006 03 06 08 33.66 +04 50.4 1.085 1.966 142.2 18.0 20.8
2006 03 16 08 25.57 +05 07.7 1.109 1.913 130.8 23.2 20.9
2006 03 26 08 21.77 +05 21.9 1.145 1.860 120.4 27.6 21.1
2006 04 05 08 22.41 +05 29.3 1.189 1.807 111.0 31.1 21.2
2006 04 15 08 27.21 +05 26.5 1.235 1.753 102.6 33.9 21.3
2006 04 25 08 35.75 +05 11.7 1.282 1.700 95.3 36.1 21.4
2006 05 05 08 47.59 +04 43.2 1.325 1.648 88.8 37.7 21.4
2006 05 15 09 02.32 +03 59.9 1.364 1.596 83.0 38.9 21.4
2006 05 25 09 19.59 +03 01.1 1.397 1.546 78.0 39.8 21.5
2006 06 04 09 39.15 +01 46.4 1.425 1.499 73.6 40.5 21.4
2006 06 14 10 00.80 +00 15.8 1.447 1.453 69.9 41.0 21.4
2006 06 24 10 24.39 -01 29.8 1.463 1.412 66.6 41.4 21.4
2006 07 04 10 49.87 -03 29.3 1.476 1.374 63.8 41.6 21.4
2006 07 14 11 17.17 -05 40.7 1.485 1.341 61.5 41.8 21.3
Timothy B. Spahr (C) Copyright 2006 MPC M.P.E.C. 2006-A18
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