MPEC 2002-P25 : 2002 NX18
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M.P.E.C. 2002-P25 Issued 2002 Aug. 6, 23:07 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
2002 NX18
Observations:
K02N18X* C2002 07 09.30916 20 49 08.96 -12 19 42.0 18.7 cf9071704
K02N18X C2002 07 09.32163 20 49 08.78 -12 19 40.6 19.5 cf9071704
K02N18X C2002 07 09.33432 20 49 08.47 -12 19 40.6 19.6 cf9071704
K02N18X C2002 07 09.34680 20 49 08.25 -12 19 40.1 19.3 cf9071704
K02N18X C2002 07 09.35942 20 49 08.01 -12 19 41.0 19.4 cf9071704
K02N18X C2002 07 14.29373 20 47 32.80 -12 20 33.2 18.6 cf9071704
K02N18X C2002 07 14.30708 20 47 32.39 -12 20 32.9 18.9 cf9071704
K02N18X C2002 07 14.32044 20 47 32.02 -12 20 34.5 18.8 cf9071704
K02N18X C2002 07 14.33379 20 47 31.62 -12 20 35.0 18.7 cf9071704
K02N18X C2002 07 14.34715 20 47 31.26 -12 20 35.9 18.8 cf9071704
K02N18X C2002 07 22.31550 20 43 07.75 -12 33 19.1 17.3 644
K02N18X C2002 07 22.34337 20 43 06.47 -12 33 23.4 17.3 644
K02N18X C2002 07 22.38439 20 43 04.53 -12 33 29.8 17.3 644
K02N18X C2002 08 06.26232 20 29 24.05 -13 38 37.7 16.5 644
K02N18X C2002 08 06.28480 20 29 22.40 -13 38 46.2 16.5 644
K02N18X C2002 08 06.31292 20 29 20.34 -13 38 56.6 16.5 644
K02N18X C2002 08 06.88779 20 28 42.31 -13 42 35.6 16.4 R 636
K02N18X C2002 08 06.88926 20 28 42.19 -13 42 36.0 16.6 R 636
K02N18X C2002 08 06.89075 20 28 42.12 -13 42 37.0 16.2 R 636
K02N18X C2002 08 06.89271 20 28 41.99 -13 42 37.7 16.7 R 636
Observer details:
636 Essen. Observers A. Knoefel, T. Payer, M. Werger. Measurer A. Knoefel.
0.32-m f/5.7 reflector + CCD.
644 Palomar Mountain/NEAT. Observers E. F. Helin, S. Pravdo, K. Lawrence,
K. Kuluhiwa, M. Hicks, R. Thicksten. 1.2-m Schmidt + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly,
M. Bezpalko, R. Huber, L. Manguso, S. Adams, D. Torres, T. Brothers,
S. Partridge. Measurers J. Stuart, R. Sayer, J. B. Evans, H. Viggh. 1.0-m
f/2.15 reflector + CCD.
Orbital elements:
2002 NX18
Epoch 2002 May 6.0 TT = JDT 2452400.5 MPC
M 318.49924 (2000.0) P Q
n 0.23429532 Peri. 221.36623 +0.89713477 -0.44154449
a 2.6059154 Node 164.81906 +0.41781289 +0.83802955
e 0.5871295 Incl. 2.99866 +0.14346284 +0.32053850
P 4.21 H 16.5 G 0.15 U 7
Residuals in seconds of arc
020709 704 0.1- 0.3- 020714 704 0.3+ 1.0- 020806 644 0.1- 0.5-
020709 704 0.6+ 0.9+ 020714 704 0.2+ 0.9- 020806 644 0.0 0.4-
020709 704 0.5- 0.7+ 020714 704 0.7+ 1.2- 020806 636 0.1- 0.4+
020709 704 0.4- 1.0+ 020722 644 0.4- 0.7+ 020806 636 0.3- 0.5+
020709 704 0.5- 0.1- 020722 644 0.1- 0.7+ 020806 636 0.2+ 0.1+
020714 704 0.3+ 0.9- 020722 644 0.3- 0.6+ 020806 636 0.4+ 0.2+
020714 704 0.0 0.0 020806 644 0.0 0.5-
Ephemeris:
2002 NX18 a,e,i = 2.61, 0.59, 3 q = 1.0759
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2002 07 25 20 41.16 -12 40.8 0.563 1.574 170.8 5.9 16.7
2002 08 04 20 31.86 -13 25.0 0.486 1.498 173.1 4.7 16.2
2002 08 14 20 20.47 -14 33.0 0.426 1.424 162.3 12.5 16.2
2002 08 24 20 09.28 -15 59.7 0.379 1.353 150.1 21.9 16.1
2002 09 03 20 00.97 -17 37.3 0.344 1.287 138.3 31.4 16.1
2002 09 13 19 58.35 -19 18.1 0.316 1.226 127.8 40.5 16.0
2002 09 23 20 03.74 -20 55.0 0.291 1.172 118.9 48.5 16.0
2002 10 03 20 18.82 -22 21.3 0.267 1.129 112.2 55.1 15.9
2002 10 13 20 45.54 -23 24.5 0.243 1.098 108.0 59.8 15.8
2002 10 23 21 26.06 -23 38.8 0.220 1.080 106.9 61.9 15.6
2002 11 02 22 21.55 -22 17.9 0.203 1.077 109.3 60.5 15.4
2002 11 12 23 29.19 -18 26.6 0.196 1.088 115.3 55.3 15.2
2002 11 22 00 39.11 -12 08.3 0.206 1.114 123.3 47.8 15.1
2002 12 02 01 40.40 -04 59.9 0.236 1.153 130.2 40.8 15.3
2002 12 12 02 29.22 +01 22.0 0.286 1.202 134.3 35.9 15.6
2002 12 22 03 07.36 +06 24.8 0.354 1.260 135.3 33.3 16.1
2003 01 01 03 38.01 +10 16.0 0.437 1.324 133.9 32.4 16.7
2003 01 11 04 03.99 +13 13.0 0.535 1.394 130.9 32.3 17.2
2003 01 21 04 27.16 +15 29.4 0.647 1.467 126.8 32.5 17.8
2003 01 31 04 48.64 +17 14.7 0.773 1.542 122.1 32.8 18.3
2003 02 10 05 09.17 +18 35.5 0.910 1.618 117.1 32.9 18.7
2003 02 20 05 29.14 +19 36.1 1.058 1.695 111.8 32.8 19.1
2003 03 02 05 48.71 +20 19.3 1.217 1.773 106.4 32.4 19.5
2003 03 12 06 08.04 +20 47.4 1.383 1.850 100.9 31.8 19.9
2003 03 22 06 27.14 +21 02.0 1.557 1.926 95.4 31.0 20.2
2003 04 01 06 45.98 +21 04.3 1.736 2.001 89.9 30.0 20.5
2003 04 11 07 04.58 +20 55.6 1.918 2.076 84.4 28.7 20.8
2003 04 21 07 22.90 +20 36.7 2.102 2.149 78.9 27.3 21.0
2003 05 01 07 40.89 +20 08.8 2.287 2.220 73.4 25.8 21.2
2003 05 11 07 58.56 +19 32.6 2.471 2.291 67.9 24.1 21.4
2003 05 21 08 15.87 +18 49.0 2.651 2.360 62.4 22.3 21.6
2003 05 31 08 32.81 +17 58.8 2.827 2.427 56.9 20.5 21.7
2003 06 10 08 49.38 +17 02.8 2.997 2.493 51.4 18.6 21.8
Timothy B. Spahr (C) Copyright 2002 MPC M.P.E.C. 2002-P25
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