MPEC 2008-M42 : 2008 JF
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M.P.E.C. 2008-M42 Issued 2008 June 28, 22:38 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 JF
Revision to MPEC 2008-L21
Additional Observations:
K08J00F C2003 09 30.46566005 48 32.036-01 15 11.42 20.09V EM042645
K08J00F C2003 09 30.46913205 48 32.186-01 15 10.90 20.98 EM042645
K08J00F C2003 12 16.27724 04 36 11.77 +11 35 50.7 20.3 V EM042691
K08J00F C2003 12 16.30483 04 36 09.17 +11 36 16.2 20.2 V EM042691
K08J00F C2003 12 16.33371 04 36 06.45 +11 36 42.9 20.4 V EM042691
K08J00F C2008 06 26.10482414 20 56.91 +02 00 54.1 20.1 V EM042H55
K08J00F C2008 06 26.10858714 20 56.77 +02 00 48.4 19.9 V EM042H55
K08J00F C2008 06 26.11190914 20 56.67 +02 00 43.0 20.1 V EM042H55
Observer details:
645 Apache Point--Sloan Digitial Sky Survey. Observers Sloan Digital Sky
Survey Collaboration. 2.5-m SDSS Telescope + SDSS camera.
691 Steward Observatory, Kitt Peak. Observer A. E. Gleason. 0.9-m Spacewatch
telescope.
H55 Astronomical Research Observatory, Charleston. Observer R. Holmes.
Measurer H. Devore. 0.81-m f/4.0 astrograph + CCD.
Orbital elements:
2008 JF Earth MOID = 0.2435 AU
Epoch 2008 May 14.0 TT = JDT 2454600.5 MPC
M 306.53523 (2000.0) P Q
n 0.37426467 Peri. 235.61582 +0.78404551 +0.51994248
a 1.9069977 Node 90.78432 -0.39703821 +0.83993545
e 0.3928439 Incl. 19.81892 -0.47710930 +0.15546145
P 2.63 H 17.9 G 0.15 U 2
Residuals in seconds of arc
030930 645 0.0 0.1+ 080502 G96 0.0 0.0 080605 854 0.3+ 0.2-
030930 645 0.1+ 0.0 080502 G96 0.1+ 0.1- 080605 854 0.4- 0.2+
031216 691 0.4- 0.5+ 080502 701 0.6- 0.4- 080605 854 0.3+ 0.6+
031216 691 0.3- 0.3+ 080502 G96 0.0 0.2- 080609 448 0.1- 0.1-
031216 691 0.2- 0.2+ 080502 G96 0.0 0.1- 080609 448 0.1- 0.1-
080501 703 0.6+ 0.0 080502 701 0.2- 0.1+ 080609 448 0.1- 0.6-
080501 703 0.7+ 0.5+ 080502 291 0.3- 0.2- 080609 F85 0.2+ 1.6+
080501 703 0.4+ 0.5+ 080502 291 0.1- 0.3- 080609 F85 0.2+ 0.9+
080501 703 0.1- 0.3+ 080502 291 0.2- 0.1- 080609 F85 0.4+ 1.5+
080501 703 1.3- 0.7- 080604 704 0.2+ 0.9+ 080610 448 0.6- 0.1-
080501 703 0.6- 1.0- 080604 704 0.6+ 0.5+ 080610 448 0.6- 0.3-
080501 703 1.3- 0.5+ 080604 704 1.2- 1.3+ 080610 448 0.3- 0.6-
080501 A74 0.4+ 0.3+ 080604 704 0.5- 0.7+ 080619 H55 0.0 0.4+
080501 198 0.0 0.2- 080604 704 0.5- 1.0- 080619 H55 0.2- 0.1+
080501 198 0.1+ 0.1- 080604 J95 0.4+ 0.3- 080619 H55 0.1- 0.0
080501 198 0.2+ 0.1- 080604 J95 0.0 0.0 080627 B03 0.7+ 0.4-
080501 198 0.2+ 0.1- 080604 J95 0.7+ 0.2- 080627 B03 0.6+ 1.3+
080501 A74 0.5+ 0.1- 080605 673 0.8+ 1.0+ 080627 B03 0.7+ 1.1+
080501 A74 0.3+ 0.2- 080605 673 0.5+ 0.9+ 080627 B03 0.6- 0.9-
080502 701 0.0 0.1- 080605 673 0.1+ 0.6+
080502 701 0.7- 0.0 080605 673 0.2- 0.3+
Ephemeris:
2008 JF a,e,i = 1.91, 0.39, 20 q = 1.1578
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2008 06 23 14 22.78 +03 22.6 0.720 1.504 119.0 36.2 19.6
2008 07 03 14 18.66 -01 09.2 0.735 1.452 111.0 40.8 19.6
2008 07 13 14 19.61 -06 01.3 0.755 1.402 103.7 44.8 19.7
2008 07 23 14 25.34 -11 04.9 0.777 1.354 97.2 48.1 19.8
2008 08 02 14 35.55 -16 14.2 0.799 1.310 91.7 50.8 19.9
2008 08 12 14 50.17 -21 24.8 0.819 1.269 87.0 52.9 19.9
2008 08 22 15 09.24 -26 31.9 0.837 1.233 83.1 54.5 20.0
2008 09 01 15 33.09 -31 29.8 0.853 1.203 80.0 55.7 20.0
2008 09 11 16 02.36 -36 10.1 0.867 1.180 77.7 56.4 20.0
2008 09 21 16 37.73 -40 21.0 0.879 1.165 76.1 56.8 20.0
2008 10 01 17 19.84 -43 45.9 0.891 1.158 75.2 56.7 20.0
2008 10 11 18 08.64 -46 05.0 0.904 1.160 75.0 56.2 20.0
2008 10 21 19 02.52 -46 58.0 0.920 1.171 75.2 55.3 20.1
2008 10 31 19 58.37 -46 11.3 0.941 1.189 75.8 54.1 20.1
2008 11 10 20 52.41 -43 45.6 0.970 1.215 76.6 52.5 20.2
2008 11 20 21 41.80 -39 56.3 1.008 1.248 77.4 50.6 20.3
2008 11 30 22 25.50 -35 06.8 1.058 1.286 77.8 48.6 20.4
2008 12 10 23 03.80 -29 42.2 1.122 1.328 77.9 46.5 20.5
2008 12 20 23 37.57 -24 04.6 1.198 1.375 77.4 44.3 20.7
2008 12 30 00 07.82 -18 29.7 1.288 1.424 76.3 42.2 20.9
2009 01 09 00 35.45 -13 08.7 1.389 1.475 74.7 40.0 21.0
2009 01 19 01 01.15 -08 07.9 1.501 1.527 72.5 37.9 21.2
2009 01 29 01 25.48 -03 30.5 1.622 1.580 69.8 35.8 21.4
2009 02 08 01 48.85 +00 42.7 1.750 1.633 66.7 33.7 21.6
2009 02 18 02 11.54 +04 31.8 1.882 1.686 63.2 31.6 21.8
Gareth V. Williams (C) Copyright 2008 MPC M.P.E.C. 2008-M42
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