MPEC 2001-O40: 1996 PC1
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M.P.E.C. 2001-O40 Issued 2001 July 26, 14:07 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://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
1996 PC1
Revision to MPEC 1996-Q04
Observations:
J96P01C C2001 07 25.67243 23 39 12.28 -42 43 38.1 18.2 R 474
J96P01C C2001 07 25.67560 23 39 12.31 -42 43 31.8 18.1 R 474
J96P01C C2001 07 25.67868 23 39 12.33 -42 43 25.8 18.1 R 474
J96P01C C2001 07 25.68176 23 39 12.36 -42 43 19.6 18.1 R 474
J96P01C C2001 07 25.68483 23 39 12.39 -42 43 13.3 18.2 R 474
J96P01C C2001 07 25.68825 23 39 12.43 -42 43 06.4 18.2 R 474
J96P01C C2001 07 26.48351 23 39 29.98 -42 15 33.5 18.2 R 474
J96P01C C2001 07 26.48446 23 39 29.99 -42 15 31.5 18.0 R 474
J96P01C C2001 07 26.48547 23 39 30.00 -42 15 29.5 18.0 R 474
J96P01C C2001 07 26.48647 23 39 30.04 -42 15 27.3 17.9 R 474
J96P01C C2001 07 26.48810 23 39 30.06 -42 15 24.1 17.8 R 474
Observer details:
474 Mount John Observatory, Lake Tekapo. Observers I. P. Griffin, N. Brady.
1.0-m f/7.7 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
010725 474 0.08- 0.11- 010726 474 0.08- 0.12- MPC 35696 +0.040 day
Orbital elements:
1996 PC1
Epoch 2001 Apr. 1.0 TT = JDT 2452000.5 Spahr
M 289.11344 (2000.0) P Q
n 0.39470900 Peri. 45.64718 +0.94045286 -0.24572577
a 1.8405659 Node 326.42397 +0.01932950 +0.72850965
e 0.4514485 Incl. 25.13165 +0.33937411 +0.63944706
P 2.50 H 20.5 G 0.15 U 1
Residuals in seconds of arc
960811 413 0.7+ 0.5+ 960818 046 0.0 0.0 960822 587 0.1+ 0.3-
960811 413 (2.9- 1.3+) 960818 046 0.0 0.3+ 960822 118 0.3+ 0.0
960812 413 0.7+ 0.2- 960818 046 0.1+ 0.1+ 960822 118 0.3+ 0.3+
960812 413 1.5- 1.0- 960819 557 0.3+ 0.3+ 960822 118 0.4+ 0.1+
960813 422 0.6- 0.4+ 960819 557 0.3- 0.2+ 960822 118 0.3+ 0.0
960813 422 1.0- 0.2+ 960819 557 0.1+ 0.1+ 960822 118 0.5+ 0.2+
960814 566 0.0 0.5- 960819 566 0.0 0.3+ 960823 658 0.3- 0.6+
960814 566 0.1- 0.8- 960819 566 0.0 0.2+ 960823 658 0.0 0.0
960814 422 0.3+ 1.9- 960819 566 0.6+ 0.6+ 960823 658 0.1- 0.7+
960814 566 0.0 0.5- 960819 360 0.4+ 0.2- 960823 108 0.3- 1.4-
960814 422 1.2- 1.7- 960819 360 0.5+ 0.5- 960823 108 0.4+ 0.2+
960814 422 0.7- 1.1- 960819 360 0.3+ 0.4- 960823 108 0.8+ 0.3+
960814 422 0.2- 1.6- 960819 046 0.2- 0.3+ 960823 108 0.8- 1.4-
960814 422 1.6- 1.4- 960819 046 0.0 0.0 960824 118 0.1- 0.8-
960814 422 (1.6- 3.0-) 960819 046 0.1+ 0.3- 960824 118 0.2- 0.3-
960814 422 0.3+ 0.7- 960819 046 0.0 0.1+ 960824 118 0.3- 0.2-
960814 422 0.7- 0.6- 960821 711 0.9- 0.3- 960824 118 0.1- 0.3-
960814 413 0.1- 0.1- 960821 711 0.5- 0.1- 960824 658 0.7- 0.0
960814 413 (0.6+ 4.9-) 960821 367 (0.5- 2.6+) 960824 658 0.7- 0.1-
960815 897 1.1+ 0.2- 960821 367 (1.2- 2.3+) 960824 658 0.6- 0.4-
960815 897 0.6- 0.1- 960821 897 0.6+ 0.1+ 960828 608 0.2- 0.5+
960815 897 0.4+ 1.6+ 960821 897 0.7+ 0.2- 960828 608 0.6+ 0.8-
960815 046 1.0- 1.0+ 960821 897 0.4- 0.6+ 960829 608 0.0 0.2+
960815 046 0.7- 0.9+ 960821 897 0.7+ 1.1+ 960829 608 0.6+ 0.5-
960815 046 0.7- 0.2+ 960821 897 1.4+ 0.5+ 960902 360 0.3- 0.4+
960815 046 0.9- 0.8+ 960821 557 0.1- 0.1+ 960902 360 1.2+ 0.7+
960816 108 1.3- 0.8- 960821 557 0.1+ 0.2- 960902 360 0.2+ 0.3+
960816 108 (0.9- 2.1-) 960821 557 0.0 0.1+ 960906 587 0.7- 0.1+
960816 608 1.3- 0.4- 960821 557 0.0 0.5- 960906 587 1.6- 0.6-
960817 422 0.2+ 0.6+ 960821 966 0.0 0.3+ 960906 587 1.0- 0.1-
960817 422 0.3+ 0.3+ 960821 966 0.2- 0.9+ 960907 381 0.2- 0.0
960817 422 0.4+ 1.1+ 960821 966 0.1- 0.3+ 960907 381 0.2- 0.3-
960817 422 0.1+ 0.1+ 960821 118 0.3- 0.0 960921 696 1.1+ 0.4-
960817 422 0.1+ 0.4+ 960821 118 0.0 0.3- 960921 696 0.6+ 0.5-
960817 422 0.6+ 0.2+ 960821 966 0.1+ 0.1+ 960921 696 0.8+ 0.2+
960817 900 0.6+ 0.8+ 960821 118 0.1- 0.2- 961011 711 0.1- 0.3-
960817 900 0.3- 0.0 960821 118 0.1+ 0.1- 961011 711 0.0 0.1-
960818 816 0.6+ 1.1+ 960821 118 0.1- 0.1+ 961012 711 0.5- 0.5+
960818 816 0.7+ 1.4+ 960821 118 0.1- 0.0 961012 711 1.5- 1.6-
960818 816 0.9+ 0.7+ 960822 711 0.3+ 0.1+ 010725 474 0.2+ 0.2-
960818 816 0.1- 0.3+ 960822 711 0.2+ 0.1+ 010725 474 0.3+ 0.2-
960818 360 0.1- 0.1- 960822 608 1.5+ 0.6- 010725 474 0.2+ 0.4-
960818 360 0.0 0.4- 960822 608 0.4+ 1.0- 010725 474 0.2+ 0.4-
960818 360 0.1- 0.0 960822 608 0.3+ 1.0- 010725 474 0.2+ 0.3-
960818 900 0.2+ 0.4+ 960822 900 0.7+ 1.4+ 010725 474 0.3+ 0.3-
960818 900 0.4- 0.1+ 960822 900 0.4+ 0.5+ 010726 474 0.0 0.1+
960818 104 0.7+ 0.5+ 960822 557 0.4+ 0.0 010726 474 0.0 0.1+
960818 104 0.6+ 0.9- 960822 557 0.3+ 0.2- 010726 474 0.0 0.0
960818 104 1.0- 0.2- 960822 557 0.3+ 0.2- 010726 474 0.3+ 0.2+
960818 104 (1.2- 2.8+) 960822 557 0.1+ 0.3- 010726 474 0.3+ 0.1+
960818 104 1.8- 1.9+ 960822 587 0.2- 0.1-
960818 046 0.1+ 0.2+ 960822 587 0.2+ 0.7-
Ephemeris:
1996 PC1 a,e,i = 1.84, 0.45, 25 q = 1.0096
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2001 07 20 23 35.98 -45 19.2 0.347 1.265 129.2 38.5 20.3
2001 07 25 23 38.95 -43 05.6 0.298 1.235 132.0 37.7 19.8
2001 07 30 23 39.97 -39 52.4 0.250 1.206 135.4 36.2 19.4
2001 08 04 23 38.66 -35 02.3 0.205 1.179 139.9 33.7 18.8
2001 08 09 23 34.39 -27 25.9 0.163 1.152 145.9 29.5 18.2
2001 08 14 23 26.17 -14 56.2 0.127 1.127 153.0 24.0 17.4
2001 08 19 23 12.39 +05 13.6 0.102 1.104 153.3 24.3 16.9
2001 08 24 22 50.39 +31 35.5 0.097 1.083 136.3 40.2 17.2
2001 08 29 22 15.52 +54 25.8 0.113 1.064 116.1 58.5 18.0
2001 09 03 21 19.88 +68 36.1 0.142 1.048 102.2 70.2 18.8
2001 09 13 18 12.2 +78 38.9 0.214 1.023 88.6 79.4 20.0
2001 09 23 15 44.0 +77 54.5 0.287 1.011 83.3 80.3 20.6
2001 10 03 14 38.8 +75 38.7 0.355 1.011 81.5 78.1 21.0
2001 10 13 14 06.3 +73 42.4 0.415 1.025 81.9 74.5 21.2
2001 10 23 13 46.9 +72 20.6 0.463 1.050 83.7 70.3 21.4
2001 11 02 13 32.2 +71 38.7 0.500 1.086 86.9 65.8 21.5
2001 11 12 13 17.3 +71 42.5 0.525 1.131 91.3 61.0 21.5
2001 11 22 12 56.4 +72 36.8 0.539 1.183 97.1 56.0 21.6
2001 12 02 12 20.4 +74 12.8 0.547 1.239 104.2 50.5 21.5
2001 12 12 11 16.0 +75 49.7 0.553 1.300 112.4 44.5 21.5
2001 12 22 09 38.1 +75 45.6 0.562 1.362 121.1 38.2 21.5
2002 01 01 08 04.5 +72 21.2 0.582 1.426 129.4 32.2 21.5
2002 01 11 07 07.63 +66 14.6 0.619 1.490 135.5 27.6 21.6
2002 01 21 06 40.26 +59 06.1 0.679 1.554 137.6 25.3 21.8
2002 01 31 06 29.79 +52 10.1 0.761 1.617 135.3 25.4 22.1
Timothy B. Spahr (C) Copyright 2001 MPC M.P.E.C. 2001-O40
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