MPEC 2007-P19 : 2002 UN
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M.P.E.C. 2007-P19 Issued 2007 Aug. 7, 13:38 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://www.cfa.harvard.edu/iau/mpc.html ISSN 1523-6714
2002 UN
Revision to MPEC 2002-U30
Additional Observations:
K02U00N C2007 07 13.60920 23 17 58.07 -45 18 39.6 21.0 R EP019474
K02U00N C2007 07 13.61777 23 17 58.05 -45 18 45.8 20.9 R EP019474
K02U00N C2007 07 13.62668 23 17 58.06 -45 18 51.6 20.8 R EP019474
K02U00N C2007 07 13.63322 23 17 57.99 -45 18 57.1 20.6 R EP019474
K02U00N C2007 07 13.63831 23 17 57.99 -45 18 59.0 20.6 R EP019474
K02U00N C2007 08 07.51555 23 04 35.48 -50 06 14.1 20.7 R EP019474
K02U00N C2007 08 07.52789 23 04 34.67 -50 06 22.2 21.3 R EP019474
K02U00N C2007 08 07.53814 23 04 33.95 -50 06 29.2 21.3 R EP019474
Observer details:
474 Mount John Observatory, Lake Tekapo. Observer A. C. Gilmore. 1.0-m f/7.7
reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
070713 474 21.1+ 15.9+ 070807 474 25.7+ 15.0+ MPO 48292 -0.025 day
Orbital elements:
2002 UN Earth MOID = 0.2552 AU
Epoch 2007 Oct. 27.0 TT = JDT 2454400.5 MPC
M 333.67062 (2000.0) P Q
n 0.18922483 Peri. 39.87040 +0.32110050 -0.91498258
a 3.0048120 Node 33.59226 +0.71655504 +0.06603180
e 0.6101198 Incl. 26.20723 +0.61922802 +0.39805361
P 5.21 H 17.2 G 0.15 U 1
Residuals in seconds of arc
021022 644 0.4- 0.0 021031 941 0.4- 0.1- 021123 118 0.2- 0.8-
021022 644 0.2- 0.0 021101 176 0.2- 0.6+ 021126 670 1.8+ 1.5+
021022 644 0.2- 0.1+ 021101 176 0.1- 0.7+ 021126 670 0.4+ 1.3+
021023 673 0.5+ 0.5- 021101 176 0.1- 0.7+ 021126 670 1.3+ 0.2+
021023 673 0.5+ 0.3- 021101 176 0.0 0.8+ 021130 084 0.2+ 1.5+
021023 673 0.7+ 0.5- 021101 176 0.0 0.8+ 021201 704 0.6+ 0.4-
021023 938 1.3- 1.5- 021101 176 0.0 0.8+ 021201 704 0.5+ 0.7-
021024 673 0.2+ 0.2- 021101 952 1.0+ 1.2- 021201 704 0.5+ 1.2-
021024 673 0.0 0.5- 021101 952 1.0+ 0.2- 021201 704 0.4+ 1.0-
021024 673 0.0 0.2- 021101 952 0.2+ 1.0+ 021201 704 0.6+ 1.3-
021024 413 0.0 0.1+ 021101 212 0.2+ 0.5- 021201 084 0.7- 0.5+
021024 413 0.0 0.1+ 021101 212 0.5+ 0.8- 021202 704 0.4+ 1.1-
021024 413 0.0 0.2+ 021106 246 0.5- 0.3+ 021202 704 0.5+ 0.2-
021024 118 0.5- 0.0 021106 246 0.2- 0.1+ 021202 704 0.4+ 0.6-
021024 118 0.5+ 0.5- 021106 246 0.2- 0.4+ 021209 084 0.6+ 0.5-
021024 118 0.1+ 0.1+ 021106 246 0.2- 0.1- 021211 118 1.1+ 0.9-
021024 118 0.1- 0.4- 021106 246 0.4- 0.2+ 021211 118 0.0 1.2-
021024 118 0.7+ 1.1- 021107 704 0.1- 2.0+ 021211 118 0.9+ 0.4+
021025 176 0.6+ 0.3+ 021107 704 0.1+ 2.4+ 021212 926 0.1+ 0.4-
021025 176 0.5+ 0.3+ 021107 704 0.1+ 2.1+ 021212 926 0.6+ 0.6-
021025 176 0.2+ 0.4+ 021108 118 2.2+ 0.4- 021212 926 0.7+ 0.2-
021025 176 0.1+ 0.5+ 021108 118 0.9+ 0.4- 021212 084 0.5- 1.8+
021025 176 0.2- 0.5+ 021108 118 0.4+ 1.1+ 021216 084 0.0 1.3+
021026 448 0.4- 0.1+ 021108 118 0.6- 1.3+ 021229 704 1.2- 0.7+
021026 448 0.8- 0.3- 021110 118 0.3- 0.8+ 021229 704 0.6- 0.2-
021026 448 0.4- 0.1- 021110 118 0.5- 0.8+ 021229 704 0.3- 0.8-
021028 704 1.2- 1.3- 021110 118 0.4- 0.9+ 030102 084 0.1- 2.2+
021028 704 0.8- 0.8- 021110 118 0.4+ 0.5+ 030106 084 0.1- 1.1+
021028 704 0.5- 0.8- 021111 704 0.6- 0.1- 030114 704 2.0- 0.0
021028 704 0.9- 1.1- 021111 704 0.3- 0.2+ 030114 704 0.4- 1.9+
021028 587 0.1- 0.1- 021111 704 0.0 0.2+ 030114 704 1.7+ 0.6+
021028 587 0.0 0.1+ 021111 704 0.0 0.3- 030114 704 0.3+ 0.3+
021028 587 0.0 0.2+ 021111 704 0.2- 0.4- 030114 704 0.7- 0.2+
021028 587 0.3+ 0.2+ 021112 246 0.3+ 0.4- 030207 587 2.9- 1.9+
021029 704 0.4- 0.2- 021112 246 0.2+ 0.5- 030207 587 0.8- 1.0-
021029 704 0.5- 0.3+ 021112 246 0.4- 0.6- 030207 587 1.4- 1.5-
021029 704 0.5- 0.5+ 021112 246 0.2+ 0.1- 030416 540 0.0 1.1+
021029 704 0.7- 0.2- 021112 246 0.2- 0.3- 030419 540 0.5- 0.4+
021029 704 0.7- 0.2- 021117 448 0.3- 0.2- 030419 540 0.3- 0.2+
021029 428 0.9- 1.2- 021117 448 0.7- 0.1- 070713 474 0.5- 0.6+
021029 428 0.3+ 0.9- 021117 448 0.5- 0.0 070713 474 0.4- 0.2+
021030 118 0.2- 0.1+ 021123 046 0.3+ 0.4- 070713 474 0.1+ 0.4+
021030 118 0.2- 0.5+ 021123 046 0.1- 0.6- 070713 474 0.4- 0.6-
021031 941 0.1- 0.1+ 021123 046 0.6+ 0.8- 070713 474 0.2- 0.9+
021031 941 0.6- 0.2+ 021123 046 0.5+ 0.6- 070807 474 0.2- 0.6+
021031 941 0.1+ 0.2+ 021123 118 1.6+ 0.0 070807 474 0.0 0.6+
021031 941 0.7- 0.3+ 021123 118 0.4+ 0.5- 070807 474 0.2- 0.3+
Ephemeris:
2002 UN a,e,i = 3.00, 0.61, 26 q = 1.1715
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2007 08 08 23 04.06 -50 11.4 1.684 2.539 139.1 15.2 21.2
2007 08 18 22 50.72 -51 45.6 1.610 2.469 139.5 15.4 21.0
2007 08 28 22 33.74 -52 44.5 1.557 2.398 137.2 16.6 20.9
2007 09 07 22 15.05 -52 55.6 1.523 2.326 132.5 18.6 20.9
2007 09 17 21 57.27 -52 12.9 1.508 2.253 126.2 21.1 20.9
2007 09 27 21 42.91 -50 39.6 1.508 2.179 119.0 23.7 20.9
2007 10 07 21 33.40 -48 24.8 1.520 2.104 111.5 26.2 20.9
2007 10 17 21 29.16 -45 38.6 1.541 2.028 104.0 28.5 20.9
2007 10 27 21 29.88 -42 29.9 1.566 1.952 96.8 30.4 20.9
2007 11 06 21 34.84 -39 04.7 1.594 1.876 89.9 31.9 20.9
2007 11 16 21 43.34 -35 25.9 1.622 1.799 83.3 33.1 20.9
2007 11 26 21 54.72 -31 35.0 1.647 1.723 77.2 34.0 20.9
2007 12 06 22 08.42 -27 31.8 1.670 1.648 71.6 34.5 20.8
2007 12 16 22 24.06 -23 15.6 1.687 1.575 66.3 34.9 20.8
2007 12 26 22 41.32 -18 45.7 1.700 1.504 61.5 35.1 20.7
Timothy B. Spahr (C) Copyright 2007 MPC M.P.E.C. 2007-P19
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