MPEC 2007-P38 : 2004 TP20
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M.P.E.C. 2007-P38 Issued 2007 Aug. 11, 18:31 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
2004 TP20
Revision to MPEC 2004-U06
Additional Observations:
K04T20P C2007 08 10.20321922 28 17.91 +40 04 54.6 22.2 V EP038H55
K04T20P C2007 08 10.22097122 28 16.56 +40 05 01.8 22.3 V EP038H55
K04T20P C2007 08 10.23949022 28 15.23 +40 05 09.5 22.3 V EP038H55
K04T20P C2007 08 11.20583122 27 03.59 +40 11 18.3 22.3 V EP038H55
K04T20P C2007 08 11.22357622 27 02.23 +40 11 25.4 22.2 V EP038H55
K04T20P C2007 08 11.24130222 27 00.80 +40 11 31.3 22.4 V EP038H55
Observer details:
H55 Astronomical Research Observatory, Charleston. Observer R. Holmes.
0.61-m f/4.0 astrograph + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
070810 H55 1.9- 0.2- 070811 H55 1.5- 0.2- MPO 77788 +0.00061 day
Orbital elements:
2004 TP20 Earth MOID = 0.1162 AU
Epoch 2007 Oct. 27.0 TT = JDT 2454400.5 MPC
M 288.53692 (2000.0) P Q
n 0.63276954 Peri. 264.79954 -0.42245999 -0.87480551
a 1.3437104 Node 213.60090 +0.90339745 -0.42761463
e 0.3509232 Incl. 25.37491 -0.07348885 -0.22773023
P 1.56 H 20.0 G 0.15 U 2
Residuals in seconds of arc
041015 704 0.1+ 0.1- 041020 H41 1.4+ 1.0- 041030 649 0.3+ 0.8-
041015 704 0.2+ 0.3+ 041020 H41 0.7+ 0.1+ 041030 649 0.3+ 0.6-
041015 704 0.3+ 0.3+ 041020 H41 0.3+ 0.5- 041030 084 0.6+ 0.2+
041015 704 0.5+ 0.2+ 041020 H41 0.9+ 0.5- 041103 355 1.0- 0.1+
041015 704 0.3- 0.1- 041021 J95 0.4- 0.3- 041103 355 0.1- 0.1+
041016 704 0.8- 0.9+ 041021 J95 0.3- 0.0 041103 355 0.3- 0.6-
041016 704 0.9- 0.1+ 041021 J95 0.1+ 0.0 041106 E17 0.6+ 2.6-
041016 704 0.9+ 0.3+ 041021 704 0.1- 0.5+ 041106 E17 0.3+ 0.5+
041016 704 0.8- 0.3+ 041021 704 0.2- 0.7+ 041106 E17 (1.3- 5.1+)
041016 704 0.9+ 0.2+ 041021 704 0.1- 0.4+ 041106 474 0.2+ 0.2+
041017 H06 0.4+ 0.5- 041021 704 0.1- 0.7+ 041106 474 0.1+ 0.1+
041017 H06 0.0 0.1+ 041021 704 0.2- 0.5+ 041106 474 0.2+ 0.0
041017 H06 1.2- 0.2- 041023 170 0.1+ 0.2- 041106 474 0.0 0.4+
041017 704 0.2- 0.2+ 041023 170 0.1+ 0.2- 041106 474 0.0 0.1+
041017 704 0.1+ 0.4- 041023 170 0.1+ 0.3- 041106 413 0.3+ 0.2-
041017 734 0.9- 0.8+ 041023 670 0.2+ 0.4- 041106 413 0.3+ 0.2-
041017 704 0.3- 0.1+ 041023 670 0.4+ 0.5- 050411 474 0.2- 0.9+
041017 734 0.5- 1.8+ 041029 448 0.1+ 0.5- 050411 474 0.6+ 0.1+
041017 734 0.8- 1.1+ 041029 448 0.3- 0.3- 050411 474 0.2+ 0.7+
041017 734 0.2- 0.4- 041029 448 0.3- 0.1- 050411 474 0.1- 0.7+
041017 704 0.0 0.3- 041029 448 0.2+ 0.8- 050411 474 0.1+ 0.7-
041017 704 0.1- 0.0 041029 H06 0.6- 0.5- 050505 F65 0.2+ 0.0
041017 785 2.0+ 1.3- 041029 H06 0.1- 0.1+ 050505 F65 0.2- 0.1-
041017 H59 0.3+ 0.4+ 041029 H06 0.3- 0.3+ 050505 F65 0.2- 0.4-
041017 785 0.8- 0.2+ 041029 H06 0.1+ 0.6+ 050506 493 0.2+ 0.0
041017 H59 1.4+ 1.0+ 041029 H06 0.1+ 0.3+ 050506 493 0.0 0.0
041017 785 0.9- 1.1+ 041029 H06 0.3- 0.7+ 050506 493 0.1+ 0.5+
041017 H59 0.6+ 1.8- 041029 H06 0.1+ 0.0 050512 198 0.1- 0.1+
041017 H59 0.4- 0.1+ 041029 H06 0.1- 0.6+ 050512 198 0.3- 0.4+
041017 587 0.4- 0.5- 041029 H06 0.1+ 0.2+ 050512 198 0.2- 0.1+
041017 587 0.2- 0.5+ 041029 H06 0.1- 0.3+ 050512 198 0.3- 0.1-
041017 587 1.8- 1.3- 041029 H06 0.3- 0.6+ 070810 H55 0.4- 0.0
041017 130 0.2+ 0.4- 041029 H06 0.1+ 0.2+ 070810 H55 0.4- 0.2-
041017 130 0.3+ 0.8- 041029 H06 0.2- 0.0 070810 H55 0.6+ 0.1-
041017 130 0.1- 0.4- 041029 H06 0.2+ 0.1- 070811 H55 0.3- 0.4+
041017 130 0.1- 0.4- 041029 H06 0.4- 0.6+ 070811 H55 0.3+ 0.8+
041018 H06 0.3+ 0.1+ 041029 H06 0.4+ 0.9+ 070811 H55 0.0 0.0
041018 H06 0.3- 0.4+ 041030 649 0.4+ 0.4-
041020 H41 0.7+ 0.4- 041030 649 0.2+ 0.3-
Ephemeris:
2004 TP20 a,e,i = 1.34, 0.35, 25 q = 0.8722
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2007 08 08 22 30.85 +39 48.7 0.921 1.683 120.8 31.2 22.3
2007 08 18 22 17.48 +40 36.6 0.844 1.653 125.6 29.9 22.0
2007 08 28 22 00.48 +40 06.2 0.776 1.619 129.6 28.7 21.8
2007 09 07 21 42.17 +38 00.1 0.719 1.583 132.0 28.2 21.5
2007 09 17 21 25.68 +34 12.0 0.677 1.543 132.1 28.9 21.4
2007 09 27 21 13.88 +28 55.8 0.649 1.500 129.3 31.1 21.3
2007 10 07 21 08.25 +22 40.8 0.636 1.455 124.1 34.7 21.3
2007 10 17 21 09.12 +16 03.2 0.637 1.407 117.2 39.0 21.3
2007 10 27 21 16.03 +09 35.8 0.648 1.357 109.6 43.6 21.4
2007 11 06 21 28.14 +03 39.6 0.666 1.304 102.0 48.1 21.5
2007 11 16 21 44.68 -01 34.6 0.688 1.250 94.6 52.1 21.6
2007 11 26 22 04.92 -06 04.9 0.710 1.195 87.9 55.7 21.7
2007 12 06 22 28.17 -09 54.6 0.730 1.139 81.7 58.9 21.7
2007 12 16 22 53.96 -13 09.2 0.744 1.084 76.3 61.9 21.7
2007 12 26 23 21.82 -15 55.6 0.751 1.032 71.6 64.7 21.7
2008 01 05 23 51.35 -18 20.6 0.749 0.983 67.6 67.6 21.7
2008 01 15 00 22.27 -20 29.8 0.737 0.941 64.4 70.6 21.7
2008 01 25 00 54.30 -22 28.4 0.714 0.907 62.2 73.7 21.6
2008 02 04 01 27.29 -24 18.1 0.679 0.883 60.8 77.0 21.6
2008 02 14 02 01.42 -25 57.7 0.634 0.873 60.6 80.2 21.5
2008 02 24 02 37.29 -27 21.9 0.579 0.876 61.4 83.0 21.4
2008 03 05 03 16.27 -28 18.7 0.518 0.892 63.6 85.1 21.3
2008 03 15 04 00.99 -28 27.4 0.453 0.920 67.2 85.7 21.1
2008 03 25 04 55.09 -27 12.2 0.391 0.957 72.8 84.3 20.8
2008 04 04 06 02.22 -23 31.3 0.338 1.003 80.7 79.9 20.4
2008 04 14 07 21.67 -16 27.9 0.309 1.053 90.7 72.3 20.1
2008 04 24 08 43.56 -07 01.6 0.315 1.107 100.4 63.4 20.0
2008 05 04 09 55.23 +01 33.6 0.360 1.162 106.3 56.4 20.1
2008 05 14 10 51.97 +07 17.9 0.434 1.217 108.1 52.1 20.5
2008 05 24 11 35.90 +10 26.2 0.528 1.272 107.1 49.5 21.0
2008 06 03 12 10.81 +11 48.3 0.634 1.326 104.7 47.7 21.4
2008 06 13 12 39.86 +12 02.9 0.748 1.378 101.6 46.2 21.8
2008 06 23 13 05.12 +11 35.0 0.867 1.427 98.2 44.8 22.2
Gareth V. Williams (C) Copyright 2007 MPC M.P.E.C. 2007-P38
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