MPEC 2008-Y12 : 2008 EE
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M.P.E.C. 2008-Y12 Issued 2008 Dec. 20, 02:35 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
2008 EE
Revision to MPEC 2008-E21
Additional Observations:
K08E00E C2008 12 19.07500 12 19 03.17 +40 01 42.0 20.8 C EY012493
K08E00E C2008 12 19.08392 12 19 03.74 +40 01 42.5 20.6 C EY012493
K08E00E C2008 12 19.09034 12 19 04.15 +40 01 43.1 20.7 C EY012493
K08E00E C2008 12 20.07403 12 20 07.15 +40 01 56.3 20.0 C EY012493
K08E00E C2008 12 20.08138 12 20 07.60 +40 01 57.3 19.9 C EY012493
Observer details:
493 Calar Alto. Observer F. Hormuth. 1.23-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
081219 493 0.00+ 0.06- 081220 493 0.00+ 0.06- MPO139291 -0.0092 day
Orbital elements:
2008 EE Earth MOID = 0.1371 AU
Epoch 2008 Nov. 30.0 TT = JDT 2454800.5 MPC
M 114.29834 (2000.0) P Q
n 1.01346225 Peri. 332.40320 +0.72510280 +0.68416780
a 0.9815920 Node 343.64711 -0.56935862 +0.53160247
e 0.2119199 Incl. 16.15968 -0.38737152 +0.49931276
P 0.97 H 19.7 G 0.15 U 4
Residuals in seconds of arc
080301 704 0.0 0.4+ 080302 473 0.3- 0.0 080306 H55 0.1+ 0.1-
080301 704 0.1- 0.9+ 080302 473 0.2- 0.2- 080306 H55 0.1+ 0.0
080301 704 0.2+ 0.9+ 080302 A24 0.1- 0.1- 080308 448 (1.9+ 5.0+)
080301 704 0.6- 0.9+ 080302 A24 0.4- 0.3- 080308 448 0.7- 0.2-
080301 704 0.1- 0.5+ 080302 A24 0.1- 0.4+ 080324 H55 0.6- 0.2+
080301 595 0.0 0.6+ 080302 A24 0.5+ 0.5+ 080324 H55 0.7- 0.1+
080301 595 0.3- 0.1+ 080302 A24 0.1+ 1.3- 080403 H55 (0.3+ 2.1+)
080302 H85 0.5- 0.2- 080302 204 0.1- 0.1- 080403 H55 0.3- 1.2+
080302 H85 0.5+ 0.3- 080302 204 0.2+ 0.2+ 080403 H55 (1.3- 1.8+)
080302 H85 0.6+ 0.6- 080302 204 0.0 0.1+ 080415 H55 1.0+ 0.7+
080302 704 0.1+ 0.4- 080303 H85 0.6- 0.8- 080415 H55 0.7- 0.6+
080302 704 0.4- 0.1- 080303 H85 0.4+ 1.1- 080415 H55 (1.9- 0.1-)
080302 704 0.4+ 0.4+ 080303 H85 0.8+ 0.5- 080423 H55 0.3- 0.7+
080302 658 0.1- 0.1- 080303 H85 0.3+ 0.2+ 080423 H55 0.4- 0.5+
080302 658 0.3- 0.9- 080304 673 0.0 0.1+ 080423 H55 1.3- 0.8-
080302 704 0.3+ 0.4- 080304 673 0.1- 0.4+ 080426 291 0.1+ 1.2-
080302 658 1.2- 1.1- 080304 673 0.1+ 0.0 080426 291 0.6- 0.1-
080302 854 1.3- 0.8+ 080304 673 0.2+ 0.3+ 080426 291 1.1+ 0.7+
080302 854 0.6+ 0.5+ 080305 711 1.1+ 0.2+ 081219 493 0.1- 0.1+
080302 143 0.1+ 0.5- 080305 711 1.3+ 0.3+ 081219 493 0.0 0.0
080302 143 0.1- 0.1- 080305 711 0.5+ 0.2+ 081219 493 0.1+ 0.2+
080302 143 0.4- 0.2- 080305 711 0.8+ 0.1- 081220 493 0.0 0.4-
080302 473 0.4- 0.2- 080306 H55 0.1+ 0.1- 081220 493 0.1+ 0.0
Ephemeris:
2008 EE a,e,i = 0.98, 0.21, 16 q = 0.7736
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2008 12 20 12 20.02 +40 02.0 0.441 1.146 99.9 57.8 20.3
2008 12 30 12 27.56 +40 22.2 0.401 1.163 106.5 54.2 20.0
2009 01 09 12 27.55 +41 17.5 0.358 1.176 114.2 49.7 19.7
2009 01 19 12 16.26 +42 45.4 0.313 1.185 123.3 44.0 19.2
2009 01 29 11 47.68 +44 21.1 0.271 1.189 133.9 36.6 18.7
2009 02 08 10 56.59 +44 39.0 0.238 1.189 144.8 28.6 18.2
2009 02 18 09 49.70 +41 22.6 0.220 1.185 150.1 24.6 17.9
2009 02 28 08 49.29 +33 56.2 0.222 1.176 143.0 30.4 18.1
2009 03 10 08 10.10 +24 53.4 0.242 1.162 129.7 41.1 18.6
2009 03 20 07 49.77 +16 41.4 0.273 1.145 116.8 50.9 19.1
2009 03 30 07 41.85 +09 58.7 0.308 1.123 106.0 58.7 19.5
2009 04 09 07 41.47 +04 29.4 0.344 1.098 97.0 64.9 19.9
2009 04 19 07 45.32 -00 09.9 0.375 1.069 89.5 70.0 20.2
2009 04 29 07 51.44 -04 17.6 0.400 1.037 82.9 74.6 20.4
2009 05 09 07 58.32 -08 06.1 0.416 1.002 77.1 79.1 20.6
2009 05 19 08 04.57 -11 39.6 0.422 0.965 71.6 83.9 20.7
2009 05 29 08 08.87 -14 56.5 0.418 0.928 66.2 89.4 20.8
2009 06 08 08 09.49 -17 46.2 0.402 0.891 60.8 96.0 20.9
Gareth V. Williams (C) Copyright 2008 MPC M.P.E.C. 2008-Y12
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