MPEC 2007-H20 : 2007 HX3
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M.P.E.C. 2007-H20 Issued 2007 Apr. 19, 11:13 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 HX3
Observations:
K07H03X C2007 04 18.25617 13 07 22.47 -09 19 03.2 21.7 V EH020G96
K07H03X C2007 04 18.26274 13 07 21.79 -09 19 00.2 21.4 V EH020G96
K07H03X C2007 04 18.26939 13 07 21.10 -09 18 58.5 21.7 V EH020G96
K07H03X C2007 04 18.27595 13 07 20.42 -09 18 56.2 21.9 V EH020G96
K07H03X* C2007 04 18.28407 13 07 19.59 -09 18 53.4 21.7 V EH020G96
K07H03X C2007 04 18.29184 13 07 18.80 -09 18 50.5 21.8 V EH020G96
K07H03X C2007 04 18.29963 13 07 17.97 -09 18 47.6 21.7 V EH020G96
K07H03X C2007 04 18.30751 13 07 17.18 -09 18 45.3 21.8 V EH020G96
K07H03X C2007 04 18.34724 13 07 13.04 -09 18 30.7 21.8 V EH020G96
K07H03X C2007 04 18.34952 13 07 12.90 -09 18 30.4 22.5 V EH020G96
K07H03X C2007 04 18.35182 13 07 12.64 -09 18 30.2 21.2 V EH020G96
K07H03X C2007 04 18.35411 13 07 12.36 -09 18 28.0 21.2 V EH020G96
K07H03X C2007 04 19.26044 13 05 41.78 -09 13 16.0 21.3 V EH020G96
K07H03X C2007 04 19.26683 13 05 41.13 -09 13 13.6 21.4 V EH020G96
K07H03X C2007 04 19.27316 13 05 40.48 -09 13 11.7 20.8 V EH020G96
K07H03X C2007 04 19.27840 13 05 39.91 -09 13 09.2 20.6 R EH020649
K07H03X C2007 04 19.28152 13 05 39.62 -09 13 08.4 21.6 V EH020G96
K07H03X C2007 04 19.28551 13 05 39.08 -09 13 07.0 20.7 R EH020649
K07H03X C2007 04 19.29262 13 05 38.34 -09 13 05.6 20.3 R EH020649
K07H03X C2007 04 19.36006 13 05 31.48 -09 12 41.7 EH020G96
K07H03X C2007 04 19.36194 13 05 31.38 -09 12 41.1 21.4 V EH020G96
Observer details:
649 Powell Observatory, Louisburg. Observers R. Fredrick, R. Trentman.
0.75-m Newtonian reflector + CCD.
G96 Mt. Lemmon Survey. Observer R. E. Hill. Measurers E. C. Beshore,
E. J. Christensen, G. J. Garradd, A. R. Gibbs, A. D. Grauer, R. E. Hill,
R. A. Kowalski, S. M. Larson, R. H. McNaught. 1.5-m reflector + CCD.
Orbital elements:
2007 HX3 Earth MOID = 0.0516 AU
Epoch 2007 Apr. 10.0 TT = JDT 2454200.5 MPC
M 267.40586 (2000.0) P Q
n 0.42489462 Peri. 327.94813 +0.95963465 +0.27820454
a 1.7523273 Node 16.05533 -0.21609559 +0.82327183
e 0.5144842 Incl. 8.58283 -0.18001120 +0.49479867
P 2.32 H 19.1 G 0.15 U 9
Residuals in seconds of arc
070418 G96 0.1+ 0.5- 070418 G96 0.1+ 0.2- 070419 G96 0.0 0.3-
070418 G96 0.0 0.3+ 070418 G96 0.7- 0.6+ 070419 649 1.2+ 1.0+
070418 G96 0.0 0.3- 070418 G96 0.7+ 0.1+ 070419 G96 0.0 0.1+
070418 G96 0.1- 0.3- 070418 G96 0.3+ 0.5- 070419 649 0.2- 0.7+
070418 G96 0.0 0.3- 070418 G96 0.3- 0.9+ 070419 649 0.4- 0.4-
070418 G96 0.2+ 0.0 070419 G96 0.1- 0.2- 070419 G96 0.9- 0.5-
070418 G96 0.3- 0.2+ 070419 G96 0.0 0.0 070419 G96 0.5+ 0.6-
Ephemeris:
2007 HX3 a,e,i = 1.75, 0.51, 9 q = 0.8508
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2007 04 20 13 04.46 -09 08.9 1.140 2.134 168.7 5.3 21.5
2007 04 22 13 01.14 -08 57.3 1.135 2.124 165.9 6.6 21.5
2007 04 24 12 57.84 -08 45.7 1.131 2.114 163.2 7.9 21.6
2007 04 26 12 54.59 -08 34.1 1.129 2.104 160.4 9.2 21.6
2007 04 28 12 51.40 -08 22.7 1.127 2.093 157.7 10.5 21.6
2007 04 30 12 48.29 -08 11.5 1.127 2.083 155.0 11.8 21.7
2007 05 02 12 45.26 -08 00.6 1.127 2.073 152.3 13.1 21.7
2007 05 04 12 42.34 -07 50.1 1.128 2.062 149.6 14.3 21.7
2007 05 06 12 39.53 -07 40.1 1.131 2.051 146.9 15.6 21.8
2007 05 08 12 36.84 -07 30.5 1.134 2.040 144.3 16.8 21.8
2007 05 10 12 34.28 -07 21.5 1.138 2.029 141.8 17.9 21.8
2007 05 12 12 31.87 -07 13.2 1.143 2.018 139.2 19.1 21.9
2007 05 14 12 29.60 -07 05.5 1.148 2.007 136.7 20.2 21.9
2007 05 16 12 27.49 -06 58.5 1.154 1.996 134.3 21.3 22.0
2007 05 18 12 25.53 -06 52.3 1.161 1.985 131.9 22.3 22.0
2007 05 20 12 23.75 -06 47.0 1.169 1.973 129.5 23.3 22.0
2007 05 22 12 22.13 -06 42.4 1.177 1.962 127.2 24.3 22.0
2007 05 24 12 20.68 -06 38.7 1.185 1.950 124.9 25.2 22.1
2007 05 26 12 19.39 -06 35.9 1.194 1.938 122.7 26.1 22.1
2007 05 28 12 18.28 -06 34.0 1.203 1.926 120.5 27.0 22.1
2007 05 30 12 17.33 -06 32.9 1.212 1.914 118.4 27.8 22.2
Timothy B. Spahr (C) Copyright 2007 MPC M.P.E.C. 2007-H20
Read MPEC 2007-H19
Read MPEC 2007-H21
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