MPEC 2007-J25 : 2007 HA59
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M.P.E.C. 2007-J25 Issued 2007 May 8, 04:51 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 HA59
Revision to MPEC 2007-H58
Additional Observations:
K07H59A C2003 05 22.29048 15 22 58.65 -12 12 18.1 20.9 V EJ025691
K07H59A C2003 05 22.32158 15 22 56.19 -12 12 20.5 20.8 V EJ025691
K07H59A C2003 05 22.34962 15 22 53.95 -12 12 23.0 20.8 V EJ025691
K07H59A C2003 05 28.22632 15 15 27.19 -12 21 09.5 21.3 V EJ025691
K07H59A C2003 05 28.25309 15 15 25.20 -12 21 12.6 21.1 V EJ025691
K07H59A C2003 05 28.28232 15 15 23.02 -12 21 14.9 21.0 V EJ025691
K07H59A HC2007 04 28.43095 15 56 32.34 -13 09 13.5 EJ025691
K07H59A HC2007 04 28.44855 15 56 30.99 -13 09 14.3 EJ025691
K07H59A HC2007 04 28.46614 15 56 29.60 -13 09 15.5 EJ025691
K07H59A HC2007 05 06.30591 15 46 24.07 -13 18 23.3 EJ025291
K07H59A HC2007 05 06.31036 15 46 23.76 -13 18 22.0 EJ025291
K07H59A HC2007 05 06.32010 15 46 22.92 -13 18 23.3 EJ025291
K07H59A C2007 05 07.41495 15 44 56.08 -13 19 38.4 EJ025291
K07H59A C2007 05 07.41921 15 44 55.74 -13 19 38.8 EJ025291
K07H59A C2007 05 07.42885 15 44 54.95 -13 19 39.3 EJ025291
K07H59A C2007 05 07.94653 15 44 14.04 -13 20 15.1 19.8 V EJ025A55
K07H59A C2007 05 07.95368 15 44 13.47 -13 20 15.4 19.9 V EJ025A55
K07H59A C2007 05 07.96083 15 44 12.91 -13 20 15.8 19.8 V EJ025A55
Observer details:
291 LPL/Spacewatch II. Observer J. V. Scotti. 1.8-m f/2.7 reflector + CCD.
691 Steward Observatory, Kitt Peak. Observer T. H. Bressi. Measurer
J. L. Montani. 0.9-m f/3 reflector + CCD.
A55 Osservatorio Astronomico Vallemare di Borbona. Observer V. S. Casulli.
0.40-m f/4.5 Newtonian reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
030522 691 0.35- 1.52- 030528 691 0.29- 1.51- MPO119746 +86.4 day
Orbital elements:
2007 HA59 Earth MOID = 0.2870 AU
Epoch 2007 Apr. 10.0 TT = JDT 2454200.5 MPC
M 85.11114 (2000.0) P Q
n 0.24819678 Peri. 17.44994 +0.37117702 -0.62332221
a 2.5076790 Node 57.24742 +0.72403165 -0.26979692
e 0.7269886 Incl. 54.92140 +0.58138266 +0.73394757
P 3.97 H 15.1 G 0.15 U 4
Residuals in seconds of arc
030522 691 0.2+ 0.3- 070425 G96 0.0 0.0 070428 291 0.1- 0.1+
030522 691 0.2+ 0.0 070425 A55 0.0 0.2- 070428 291 0.1+ 0.3+
030522 691 0.0 0.2- 070426 A55 0.4+ 0.1+ 070428 691 0.7+ 0.6-
030528 691 0.4- 0.4+ 070426 A55 0.5+ 0.6+ 070428 691 0.5+ 0.2-
030528 691 0.1- 0.2- 070426 291 0.1- 0.0 070428 691 0.3- 0.1-
030528 691 0.1+ 0.3+ 070426 291 0.2- 0.1- 070506 291 0.3- 0.8-
070424 691 0.3+ 0.1- 070426 291 0.2- 0.2+ 070506 291 0.4+ 0.8+
070424 691 0.2- 0.1- 070426 G96 0.2+ 0.1+ 070506 291 0.4- 0.2+
070424 691 0.3+ 0.1- 070426 G96 0.4+ 0.0 070507 291 0.1- 0.1-
070425 291 0.0 0.3+ 070426 G96 0.9- 0.7- 070507 291 0.0 0.2-
070425 291 0.1- 0.3+ 070426 G96 0.3+ 0.1- 070507 291 0.2- 0.0
070425 291 0.2- 0.3+ 070427 291 0.5- 0.1+ 070507 A55 0.8+ 0.0
070425 G96 0.2- 0.2+ 070427 291 0.1- 0.1+ 070507 A55 0.9+ 0.2+
070425 G96 0.4- 0.0 070427 291 0.0 0.0 070507 A55 1.1+ 0.3+
070425 G96 0.1+ 0.1- 070428 291 0.2- 0.2-
Ephemeris:
2007 HA59 a,e,i = 2.51, 0.73, 55 q = 0.6846
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2007 04 30 15 54.57 -13 11.0 2.581 3.538 158.8 5.9 20.4
2007 05 10 15 41.50 -13 22.5 2.584 3.584 170.5 2.7 20.2
2007 05 20 15 28.24 -13 34.0 2.622 3.628 172.5 2.1 20.2
2007 05 30 15 15.67 -13 46.6 2.694 3.670 161.6 5.0 20.5
2007 06 09 15 04.54 -14 01.4 2.798 3.711 149.8 7.9 20.7
2007 06 19 14 55.33 -14 19.5 2.930 3.750 138.3 10.4 21.0
2007 06 29 14 48.31 -14 41.9 3.085 3.788 127.3 12.3 21.2
2007 07 09 14 43.52 -15 08.8 3.257 3.825 116.8 13.7 21.4
2007 07 19 14 40.85 -15 40.4 3.442 3.860 106.8 14.6 21.5
2007 07 29 14 40.13 -16 16.3 3.633 3.894 97.3 15.0 21.7
2007 08 08 14 41.14 -16 56.3 3.826 3.926 88.1 15.0 21.8
2007 08 18 14 43.66 -17 39.7 4.018 3.957 79.3 14.6 21.9
2007 08 28 14 47.51 -18 25.9 4.203 3.987 70.8 13.8 22.0
Timothy B. Spahr (C) Copyright 2007 MPC M.P.E.C. 2007-J25
Read MPEC 2007-J24
Read MPEC 2007-J26
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