MPEC 2008-G76 : 2007 AE12
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M.P.E.C. 2008-G76 Issued 2008 Apr. 13, 15:44 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 AE12
Revision to MPEC 2007-B08
Additional Observations:
K07A12E 3C1997 05 07.25682 11 29 37.80 +00 08 17.7 EG076568
K07A12E 3C1997 05 07.27625 11 29 36.95 +00 08 25.3 EG076568
K07A12E 3C1997 05 07.29578 11 29 35.94 +00 08 33.7 EG076568
K07A12E 3C1997 05 07.31517 11 29 35.01 +00 08 42.2 EG076568
K07A12E 3C1997 05 07.34394 11 29 33.47 +00 08 55.4 EG076568
K07A12E 3C1997 05 07.36333 11 29 32.53 +00 09 04.4 EG076568
K07A12E 3C1997 05 07.38289 11 29 31.51 +00 09 12.3 EG076568
K07A12E C2008 04 13.30227 12 40 01.99 -08 10 50.7 21.4 V EG076G96
K07A12E C2008 04 13.30877 12 40 01.27 -08 10 45.4 20.9 V EG076G96
K07A12E C2008 04 13.31528 12 40 00.51 -08 10 40.2 20.4 V EG076G96
K07A12E C2008 04 13.32194 12 39 59.72 -08 10 35.9 21.3 V EG076G96
K07A12E C2008 04 13.37806 12 39 53.31 -08 09 53.4 21.4 V EG076G96
K07A12E C2008 04 13.38414 12 39 52.63 -08 09 48.8 21.8 V EG076G96
K07A12E C2008 04 13.39025 12 39 51.87 -08 09 44.3 21.2 V EG076G96
K07A12E C2008 04 13.39645 12 39 51.19 -08 09 39.4 21.2 V EG076G96
Observer details:
568 Mauna Kea. Observer C. Veillet. 3.6-m Canada-France-Hawaii Telescope +
8K CCD.
G96 Mt. Lemmon Survey. Observer E. Beshore. Measurers E. C. Beshore,
A. Boattini, 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.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
970507 568 2.09+ 0.93- 080413 G96 2.02- 0.83+ MPO114829 +2.5 day
Orbital elements:
2007 AE12 PHA, Earth MOID = 0.0062 AU
Epoch 2008 May 14.0 TT = JDT 2454600.5 MPC
M 303.74706 (2000.0) P Q
n 0.45060569 Peri. 86.52971 +0.88537209 +0.46345987
a 1.6850195 Node 245.85686 -0.44077460 +0.81203519
e 0.5696858 Incl. 2.28286 -0.14776339 +0.35468831
P 2.19 H 19.7 G 0.15 U 2
Residuals in seconds of arc
970507 568 0.9- 0.1- 070110 G96 0.0 0.5- 070125 568 0.0 0.1+
970507 568 0.9+ 0.8- 070110 G96 0.1+ 0.0 070125 568 0.0 0.0
970507 568 0.4+ 0.9- 070116 734 1.3+ 1.4- 070125 F65 0.1+ 0.2-
970507 568 1.0+ 0.7- 070116 734 (2.6+ 1.8-) 070125 F65 0.1+ 0.1+
970507 568 0.6- 0.1+ 070116 734 (4.8- 1.0+) 070125 F65 0.1- 0.1-
970507 568 0.3- 0.8+ 070116 G96 0.4- 0.4- 070125 F65 0.2- 0.3-
970507 568 1.1- 0.3+ 070116 G96 0.3+ 0.7+ 080413 G96 0.2- 0.0
070110 G96 0.4- 0.5- 070116 G96 0.3- 1.2- 080413 G96 0.2+ 0.4+
070110 G96 0.7- 0.3- 070116 G96 0.3- 0.5- 080413 G96 0.1+ 0.7+
070110 G96 0.0 0.1- 070117 G96 0.4+ 0.7- 080413 G96 0.3- 0.1-
070110 G96 0.5- 0.1- 070117 G96 0.0 0.0 080413 G96 0.3+ 0.0
070110 G96 0.2+ 0.1+ 070117 G96 0.2- 0.2+ 080413 G96 0.6+ 0.0
070110 G96 0.1+ 0.2+ 070117 G96 0.6+ 0.4- 080413 G96 0.3- 0.1-
070110 G96 0.2- 0.4- 070125 568 0.0 0.1+ 080413 G96 0.1+ 0.1+
Ephemeris:
2007 AE12 a,e,i = 1.69, 0.57, 2 q = 0.7251
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2008 04 14 12 38.74 -08 02.0 0.889 1.880 167.2 6.8 21.3
2008 04 24 12 20.41 -05 52.3 0.859 1.812 152.7 14.7 21.5
2008 05 04 12 04.28 -03 47.7 0.852 1.741 138.6 22.5 21.6
2008 05 14 11 52.16 -02 03.9 0.862 1.666 125.5 29.6 21.8
2008 05 24 11 44.90 -00 49.6 0.882 1.588 113.8 35.7 21.9
2008 06 03 11 42.53 -00 06.8 0.905 1.507 103.3 40.9 22.0
2008 06 13 11 44.71 +00 05.8 0.924 1.423 94.2 45.4 22.0
2008 06 23 11 50.87 -00 08.2 0.936 1.335 86.2 49.4 22.0
2008 07 03 12 00.50 -00 45.1 0.937 1.245 79.1 53.3 22.0
2008 07 13 12 13.18 -01 41.5 0.923 1.154 72.8 57.3 21.9
2008 07 23 12 28.50 -02 53.2 0.893 1.062 67.3 61.9 21.8
2008 08 02 12 46.09 -04 15.8 0.844 0.973 62.3 67.5 21.6
Gareth V. Williams (C) Copyright 2008 MPC M.P.E.C. 2008-G76
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