MPEC 2010-D06 : 2007 HE15
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M.P.E.C. 2010-D06 Issued 2010 Feb. 16, 13:02 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
2007 HE15
Revision to MPEC 2007-H45
Additional Observations:
K07H15E 2C2010 01 18.50035911 10 45.651-02 57 00.54 22.6 R ED006568
K07H15E 2C2010 01 18.50543111 10 45.579-02 57 02.26 23.4 R ED006568
K07H15E 2C2010 01 19.59249311 10 31.209-03 03 03.19 23.8 R ED006568
K07H15E 2C2010 01 19.59738311 10 31.141-03 03 04.84 23.2 R ED006568
Observer details:
568 Mauna Kea. Observers M. Micheli, G. T. Elliott, D. J. Tholen. Measurer
D. J. Tholen. 2.24-m University of Hawaii reflector.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
100118 568 31.3+ 16.8- 100119 568 31.8+ 17.1- MPO126774 -0.027 day
Orbital elements:
2007 HE15 PHA, Earth MOID = 0.0098 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC
M 287.73576 (2000.0) P Q
n 0.31370233 Peri. 342.27776 +0.17906497 +0.97285340
a 2.1451494 Node 297.82072 -0.88139394 +0.09242220
e 0.5403907 Incl. 9.54148 -0.43712751 +0.21216599
P 3.14 H 19.7 G 0.15 U 0
Residuals in seconds of arc
070422 E12 0.2+ 0.1- 070726 H55 0.0 0.0 070902 H55 0.2- 0.2+
070422 E12 0.3- 0.1- 070726 H55 0.2+ 0.1- 070902 H55 0.1- 0.2+
070422 E12 0.8+ 0.0 070726 H55 0.1+ 0.0 070911 151 0.1+ 0.4-
070422 E12 0.1+ 0.7+ 070804 B09 0.3- 1.0+ 070911 151 0.1+ 0.3-
070422 E12 0.7- 0.7+ 070804 B09 1.0- 1.7+ 070911 151 0.1+ 0.3-
070422 E12 0.4- 0.4+ 070804 A17 0.3+ 0.1- 070912 H45 0.5- 0.5-
070422 E12 1.1- 0.8+ 070804 A17 0.4- 0.1- 070912 H45 0.2- 0.1-
070422 E12 0.3+ 0.0 070804 A17 0.1- 0.4- 070912 H45 0.3- 0.4-
070423 428 0.3+ 0.0 070811 704 0.1- 0.6+ 070912 H45 0.1+ 0.0
070423 428 0.1+ 0.1- 070811 704 0.0 0.6+ 070912 H45 0.7- 0.1+
070423 428 0.3+ 0.3- 070811 704 0.0 0.3+ 070912 H45 0.1- 0.4-
070423 E12 0.6- 0.2+ 070811 704 0.0 0.4+ 070912 A78 0.4- 0.2+
070424 F85 0.1- 0.3- 070811 704 0.1+ 0.5+ 070912 A78 0.4- 0.6-
070424 F85 0.3- 0.4- 070812 704 0.2+ 0.1+ 070912 A78 0.3- 0.1-
070503 474 0.5+ 0.0 070812 704 0.1+ 0.1- 070912 A78 0.6- 0.1-
070503 474 0.2+ 0.3- 070812 704 0.1+ 0.3+ 070913 240 0.6+ 1.8-
070503 474 0.1+ 0.4+ 070812 704 0.4+ 0.3+ 070913 240 0.5+ 0.5-
070503 474 0.4- 0.3+ 070812 704 0.3- 0.4+ 070913 240 0.3+ 0.4-
070512 F85 0.3- 0.0 070812 355 0.1- 0.2- 070913 240 0.1+ 0.2-
070512 F85 0.0 0.5- 070812 355 0.5- 0.7+ 070913 240 0.0 0.1-
070512 474 0.7- 0.3- 070812 355 0.5- 0.2+ 070914 703 1.9+ 1.9+
070512 474 0.1+ 0.1- 070814 151 0.9- 0.1+ 070914 703 0.6+ 1.3+
070512 474 0.1- 0.0 070814 151 0.1- 0.3+ 070914 703 0.7+ 0.6+
070512 474 0.2+ 0.0 070814 151 0.6+ 0.3+ 070914 703 0.7+ 1.2+
070518 F85 0.2+ 0.3- 070815 130 0.0 0.0 070917 H45 0.2+ 0.1+
070518 F85 0.2- 0.3- 070815 130 0.2- 0.3- 070917 H45 0.0 0.1-
070525 E12 0.3- 0.3- 070815 130 0.0 0.2- 070917 H45 0.2- 0.3-
070525 E12 0.1+ 0.1- 070815 130 0.1+ 0.6- 070917 H45 0.0 0.1-
070610 474 0.0 0.1- 070818 473 0.2- 0.5+ 070917 H45 0.3+ 0.2-
070610 474 0.1- 0.0 070818 473 0.4- 0.0 070917 H45 0.1- 0.1-
070610 474 0.4- 0.1- 070818 151 0.6+ 0.4- 070920 H45 0.2+ 0.2-
070624 E12 0.1- 0.2- 070818 151 0.2- 0.6- 070920 H45 0.2+ 0.6-
070624 E12 0.3- 0.3- 070818 151 0.3- 0.6- 070920 H45 0.2- 0.0
070710 E12 0.1+ 0.7- 070818 151 0.2+ 0.9- 070920 H45 0.3+ 0.3+
070711 E12 0.6+ 0.6- 070818 151 0.5+ 1.9- 070920 H45 0.1+ 0.3-
070715 204 0.2- 0.1- 070818 151 0.3+ 1.2- 070920 H45 0.3+ 0.1+
070715 204 0.1- 0.2- 070818 151 0.2+ 0.6- 070928 H55 0.5+ 0.3+
070715 204 0.1- 0.2- 070819 046 0.2- 0.3+ 070928 H55 (2.0+ 0.5+)
070715 204 0.2- 0.5- 070819 046 0.2+ 0.2- 070928 H55 0.6- 0.1+
070715 204 0.1- 0.2- 070819 046 0.5- 0.1+ 071006 560 0.5+ 0.6+
070715 H51 0.3- 0.3+ 070819 046 0.7- 0.1+ 071006 560 0.1- 0.7+
070715 H51 0.5- 0.3+ 070819 046 0.3- 0.4+ 071006 560 (2.7- 0.7-)
070715 H51 1.0- 0.3+ 070819 046 0.4+ 0.2- 071014 G96 0.2- 0.1+
070717 704 0.6+ 1.4+ 070819 046 0.7+ 0.6- 071014 G96 0.1+ 0.0
070717 704 0.4+ 0.6+ 070825 151 (0.1- 2.5+) 071014 G96 0.1- 0.2+
070717 704 0.9+ 1.4+ 070825 151 0.3- 1.6+ 100118 568 0.1+ 0.2+
070726 160 0.1- 0.1+ 070825 151 0.8- 2.0+ 100118 568 0.0 0.2+
070726 160 0.2- 0.1+ 070825 151 0.7- 1.1+ 100119 568 0.0 0.2+
070726 160 0.0 0.1- 070825 151 0.6- 0.6+ 100119 568 0.2+ 0.1+
070726 160 0.2- 0.0 070902 H55 0.1- 0.3+
070726 160 0.1- 0.2- 070902 H55 0.1- 0.2+
Ephemeris:
2007 HE15 a,e,i = 2.15, 0.54, 10 q = 0.9859
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2010 02 13 10 54.19 -04 29.6 1.223 2.159 155.2 11.1 22.5
2010 02 23 10 41.39 -04 30.4 1.124 2.095 164.9 7.1 22.1
2010 03 05 10 26.08 -04 08.4 1.052 2.029 166.3 6.6 21.8
2010 03 15 10 09.93 -03 26.2 1.007 1.961 157.1 11.4 21.9
2010 03 25 09 55.01 -02 31.5 0.987 1.892 145.0 17.6 22.0
2010 04 04 09 43.20 -01 34.6 0.987 1.821 132.9 23.7 22.1
2010 04 14 09 35.65 -00 44.7 1.001 1.748 121.6 29.3 22.2
2010 04 24 09 32.85 -00 08.8 1.022 1.675 111.3 34.0 22.3
Timothy B. Spahr (C) Copyright 2010 MPC M.P.E.C. 2010-D06
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