MPEC 2004-N19 : 2003 UR292
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M.P.E.C. 2004-N19 Issued 2004 July 3, 19:25 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
2003 UR292
Revision to MPEC 2003-Y84
Additional Observations:
K03UT2R FC2001 10 06.33718 00 19 37.68 +00 12 46.8 21.0 R EN019644
K03UT2R FC2001 10 11.33111 00 19 05.89 +00 09 20.2 21.1 R EN019644
K03UT2R C2001 10 17.25494 00 18 29.14 +00 05 23.5 21.0 R EN019644
K03UT2R C2002 10 05.20787 00 30 17.45 +01 14 55.2 21.1 R EN019644
K03UT2R C2002 10 06.21964 00 30 10.85 +01 14 12.6 20.8 R EN019644
Observer details:
644 Palomar Mountain/NEAT. Measurer R. Stoss. 1.2-m Oschin Schmidt + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees) and reference
011006 644 0.68+ 0.27+ 021006 644 0.33+ 0.13+ MPO 62452
Orbital elements:
2003 UR292
Epoch 2004 July 14.0 TT = JDT 2453200.5 MPC
M 343.56202 (2000.0) P Q
n 0.00538461 Peri. 249.34722 +0.80984651 -0.58605675
a 32.2378721 Node 146.51494 +0.55435936 +0.74991032
e 0.1708036 Incl. 2.72125 +0.19192273 +0.30687456
P 183.04 H 6.9 G 0.15 U 4
Residuals in seconds of arc
011006 644 0.3- 0.4- 021006 644 0.1+ 0.4+ 031024 695 0.3- 0.2+
011011 644 0.7+ 0.3+ 031019 691 0.1+ 0.4- 031024 695 0.4- 0.2+
011017 644 0.4- 0.0 031019 691 0.3+ 0.5- 031120 695 0.2+ 0.4+
021005 644 0.1- 0.2- 031019 691 0.5+ 0.1- 031120 695 0.3- 0.2+
Ephemeris:
2003 UR292 a,e,i = 32.24, 0.17, 3 q = 26.732
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2004 06 24 00 56.11 +03 53.9 27.246 27.059 78.4 2.1 21.5
2004 07 04 00 56.57 +03 55.8 27.078 27.057 87.8 2.2 21.5
2004 07 14 00 56.81 +03 56.4 26.908 27.055 97.2 2.1 21.5
2004 07 24 00 56.83 +03 55.6 26.743 27.053 106.8 2.1 21.4
2004 08 03 00 56.63 +03 53.4 26.585 27.051 116.4 1.9 21.4
2004 08 13 00 56.23 +03 50.0 26.440 27.049 126.1 1.7 21.4
2004 08 23 00 55.62 +03 45.4 26.312 27.047 135.9 1.5 21.4
2004 09 02 00 54.85 +03 39.9 26.205 27.045 145.7 1.2 21.3
2004 09 12 00 53.94 +03 33.6 26.123 27.043 155.6 0.9 21.3
2004 09 22 00 52.92 +03 26.8 26.068 27.041 165.6 0.5 21.2
2004 10 02 00 51.84 +03 19.7 26.041 27.039 175.4 0.2 21.2
2004 10 12 00 50.74 +03 12.6 26.045 27.037 173.6 0.2 21.2
2004 10 22 00 49.66 +03 05.8 26.079 27.035 163.6 0.6 21.3
2004 11 01 00 48.65 +02 59.5 26.141 27.033 153.4 0.9 21.3
2004 11 11 00 47.75 +02 54.1 26.232 27.031 143.2 1.3 21.3
2004 11 21 00 46.99 +02 49.8 26.346 27.029 132.9 1.5 21.4
2004 12 01 00 46.42 +02 46.7 26.482 27.027 122.7 1.8 21.4
2004 12 11 00 46.06 +02 45.0 26.634 27.025 112.4 1.9 21.4
2004 12 21 00 45.92 +02 44.8 26.797 27.023 102.2 2.0 21.4
2004 12 31 00 46.01 +02 46.0 26.967 27.021 92.1 2.1 21.5
2005 01 10 00 46.34 +02 48.8 27.139 27.019 82.0 2.1 21.5
2005 01 20 00 46.91 +02 53.0 27.306 27.017 72.0 2.0 21.5
2005 01 30 00 47.68 +02 58.5 27.463 27.015 62.0 1.8 21.5
2005 02 09 00 48.66 +03 05.3 27.607 27.013 52.2 1.7 21.5
2005 02 19 00 49.82 +03 13.0 27.733 27.011 42.4 1.4 21.5
2005 03 01 00 51.12 +03 21.5 27.838 27.009 32.7 1.1 21.4
Orbital computations using the above precovery observations indicate the
strong likelihood of close encounters with Neptune, well inside its sphere of
influence, within a few millennia of the present time.
Brian G. Marsden (C) Copyright 2004 MPC M.P.E.C. 2004-N19
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