MPEC 2008-Y51 : 2008 ED69
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M.P.E.C. 2008-Y51 Issued 2008 Dec. 25, 03:17 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 ED69
Revision to MPEC 2008-E105
Additional Observations:
K08E69D C2008 12 24.02083 06 28 22.42 -25 47 02.6 20.4 C EY051493
K08E69D C2008 12 24.02750 06 28 21.79 -25 46 59.0 20.4 C EY051493
K08E69D C2008 12 24.03416 06 28 21.12 -25 46 53.8 20.5 C EY051493
K08E69D C2008 12 25.02019 06 26 47.67 -25 35 51.0 20.2 C EY051493
K08E69D C2008 12 25.03293 06 26 46.45 -25 35 42.5 20.5 C EY051493
K08E69D C2008 12 25.04183 06 26 45.55 -25 35 36.8 20.3 C EY051493
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, reference and Delta-T
081224 493 3.4- 1.8- 081225 493 3.7- 2.3- MPO140740 -0.00020 day
Orbital elements:
2008 ED69 Earth MOID = 0.2853 AU
Epoch 2008 Nov. 30.0 TT = JDT 2454800.5 MPC
M 29.09693 (2000.0) P Q
n 0.20109021 Peri. 172.69593 +0.80668308 +0.51104648
a 2.8854182 Node 149.89517 -0.56773136 +0.80961443
e 0.7496744 Incl. 36.28044 -0.16414479 -0.28871434
P 4.90 H 17.0 G 0.15 U 3
Residuals in seconds of arc
080311 703 0.1- 0.1+ 080323 703 0.8+ 0.5+ 080430 H45 0.3+ 0.2+
080311 703 1.1- 1.0- 080323 703 0.4- 1.4- 080501 B66 0.8- 0.1+
080311 703 0.7+ 0.9+ 080329 448 0.1+ 0.3- 080502 B66 0.9- 0.6-
080311 703 0.3- 0.6+ 080329 448 0.0 0.2- 080504 198 0.1+ 0.1+
080312 H55 0.7+ 0.3+ 080329 448 0.6+ 0.5- 080504 198 0.0 0.1+
080312 H55 0.3+ 0.1+ 080404 711 0.1+ 0.0 080504 198 0.0 0.0
080312 H55 0.3+ 0.3+ 080404 711 0.1+ 0.8- 080504 198 0.0 0.0
080312 703 0.6+ 0.8+ 080404 711 0.0 0.1+ 080505 H45 0.1- 0.2-
080312 703 0.2+ 0.5- 080405 448 0.0 0.3- 080505 H45 0.1+ 0.1-
080312 703 0.3- 0.9- 080405 448 0.0 0.1- 080505 H45 0.1+ 0.0
080312 703 0.8- 0.3- 080405 448 0.3+ 0.5- 080505 H45 0.2+ 0.0
080312 G96 0.5+ 0.7+ 080412 H45 0.2+ 0.1- 080505 H45 0.1+ 0.3+
080312 G96 0.0 0.0 080412 H45 0.1+ 0.1+ 080505 H45 0.1+ 0.1+
080312 G96 0.1+ 0.1- 080412 H45 0.2+ 0.0 080512 B67 0.1+ 0.8+
080312 G96 0.1- 0.2- 080412 H45 0.0 0.1- 080512 B67 0.1- 0.8-
080315 291 0.2- 0.4+ 080412 H45 0.2+ 0.1- 080512 B67 0.4+ 0.3+
080315 291 0.3- 0.0 080412 H45 0.2+ 0.1- 080512 H45 0.2+ 0.3+
080315 291 0.1+ 0.4+ 080412 H45 0.2+ 0.1- 080512 H45 0.0 0.1+
080316 291 0.1- 0.1+ 080418 448 0.0 0.4+ 080512 H45 0.0 0.2-
080316 291 0.0 0.3- 080418 448 0.0 0.0 080512 H45 0.4+ 0.4+
080316 291 0.0 0.3+ 080418 448 0.1- 0.2+ 080512 H45 0.1+ 0.1+
080319 H01 0.3+ 0.1+ 080426 B66 0.7+ 0.1- 080512 H45 0.1+ 0.4+
080319 H01 0.3+ 0.2+ 080427 H55 0.3- 0.4+ 080523 J95 0.2- 0.0
080319 H01 0.3+ 0.1+ 080427 H55 0.3- 0.1- 080523 J95 0.4- 0.2+
080319 H01 0.2+ 0.1+ 080427 H55 0.1- 0.2- 080523 J95 0.1- 0.0
080319 H01 0.2+ 0.1+ 080429 H45 0.7+ 0.1+ 080531 300 0.3+ 1.0-
080320 H55 0.1+ 0.2+ 080429 H45 0.5+ 0.0 080531 300 0.2- 0.7-
080320 H55 0.2+ 0.3+ 080429 H45 0.3+ 0.1- 080531 300 0.1- 0.3-
080320 H55 0.3+ 0.1+ 080429 H45 0.1+ 0.1+ 080607 J95 0.0 0.0
080320 448 0.5- 1.7- 080429 H45 0.2+ 0.1- 080607 J95 0.4+ 0.3+
080320 448 1.9- 0.7- 080429 H45 0.2+ 0.2+ 081224 493 0.1- 0.3+
080320 448 1.1- 1.1- 080429 H45 0.3+ 0.1- 081224 493 0.1+ 0.5-
080322 J76 0.1+ 0.3- 080430 H45 0.8+ 0.5+ 081224 493 0.2- 0.3+
080322 J76 0.2+ 0.5+ 080430 H45 0.1+ 0.1+ 081225 493 0.1+ 0.4+
080322 J76 0.1- 0.7- 080430 H45 0.2- 0.2- 081225 493 0.2+ 0.2+
080323 703 0.7- 1.0+ 080430 H45 0.4+ 0.5+ 081225 493 0.4- 0.2-
080323 703 0.5+ 1.2- 080430 H45 0.1- 0.2+
Ephemeris:
2008 ED69 a,e,i = 2.89, 0.75, 36 q = 0.7223
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2008 12 20 06 34.86 -26 27.5 1.557 2.308 129.1 19.3 20.8
2008 12 30 06 19.19 -24 33.8 1.625 2.398 132.1 17.7 20.9
2009 01 09 06 05.77 -22 03.6 1.717 2.486 132.1 17.1 21.1
2009 01 19 05 55.44 -19 10.9 1.832 2.571 129.4 17.2 21.3
2009 01 29 05 48.48 -16 09.2 1.969 2.654 124.5 17.8 21.5
2009 02 08 05 44.81 -13 09.5 2.126 2.735 118.3 18.5 21.8
2009 02 18 05 44.06 -10 19.4 2.300 2.814 111.3 19.1 22.0
Gareth V. Williams (C) Copyright 2008 MPC M.P.E.C. 2008-Y51
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