[Iaude] MPEC K81: 2003 EP4 [a=1.36,e=0.64,i=0.5,H=23.9]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Mon May 24 10:19:06 EDT 2021
M.P.E.C. 2021-K81 Issued 2021 May 24, 14:17 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. They are published
on behalf of Division F 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 at CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2003 EP4
Revision to MPEC 2003-E31
Additional Observations:
K03E04P KC2009 11 01.40840523 25 13.345-03 48 06.36 21.31GVEK081T12
K03E04P KC2009 11 01.41039623 25 14.545-03 47 58.75 21.27GVEK081T12
K03E04P KC2009 11 01.41266423 25 15.915-03 47 50.11 21.30GVEK081T12
K03E04P KC2009 11 09.36454700 15 00.220+01 19 53.62 22.21GVEK081T12
Observer details:
T12 Mauna Kea-UH/Tholen NEO Follow-Up (2.24-m). Observers M. Micheli, G. T.
Elliott, D. J. Tholen. Measurer D. J. Tholen. 2.24-m f/10.1 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
091101 T12 0.06- 0.03- 091109 T12 0.03- 0.01- MPO 50748 -0.02 days
Orbital elements:
2003 EP4 Earth MOID = 0.0009 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 43.21591 (2000.0) P Q
n 0.62166069 Peri. 66.30056 +0.15292983 +0.98822546
a 1.3596708 Node 212.49733 -0.90990420 +0.13891607
e 0.6446968 Incl. 0.51052 -0.38559928 +0.06413091
P 1.59 H 23.92 G 0.15 U 0
Residuals in seconds of arc
030307 704 0.1- 0.4+ 030309 599 1.6+ 0.1+ 030311 448 1.2- 0.2+
030307 704 0.0 0.8- 030309 599 1.2+ 0.1- 030311 448 0.3+ 0.2+
030307 704 0.3+ 1.0- 030309 599 4.4+ 0.0 030311 670 0.3+ 0.3-
030307 704 0.2+ 1.2- 030309 599 3.3+ 0.1- 030311 670 0.0 0.3+
030307 704 0.4+ 0.8- 030309 599 2.2+ 0.1- 030311 670 0.7+ 0.2-
030308 926 (2.7+ 2.4-) 030309 599 1.7+ 0.1+ 030311 670 0.4+ 0.2+
030308 926 (0.8+ 1.9-) 030309 J95 0.1- 0.1+ 030311 670 0.2+ 0.7+
030308 926 (1.5+ 2.2-) 030309 J95 0.6- 0.2+ 030311 670 0.1+ 0.4-
030308 428 0.8- 0.1+ 030309 J95 0.2- 0.1+ 030311 670 0.2+ 0.0
030308 428 0.7+ 0.5+ 030310 379 0.4+ 0.7- 030311 620 0.4+ 0.6+
030308 428 0.0 0.3+ 030310 379 0.4- 0.0 030311 620 (0.5- 1.3-)
030308 428 0.1- 0.3+ 030310 379 (1.0+ 0.6-) 030311 620 0.2- 0.2-
030308 428 1.0+ 0.7- 030310 118 1.0- 0.4+ 030311 620 (1.9- 0.6-)
030308 428 1.0- 0.2- 030310 118 0.5- 0.5- 030311 J95 0.6- 0.3+
030308 J87 0.7- 0.8- 030310 118 0.9- 0.5- 030311 J95 0.4+ 0.4-
030308 J87 0.1+ 0.3+ 030310 118 0.2- 0.8+ 030311 J95 0.5- 0.5-
030308 J87 1.4- 0.2- 030310 118 2.3+ 0.4+ 030311 J95 0.4+ 0.3+
030309 704 0.2- 0.1+ 030310 118 0.5+ 0.1+ 030312 670 0.0 0.2+
030309 704 0.2- 0.4- 030310 599 (6.1+ 0.0 ) 030312 670 1.0- 0.2+
030309 704 0.4- 0.4- 030310 599 0.2+ 0.1- 030312 670 2.3+ 1.7-
030309 704 0.2+ 0.5- 030310 599 0.4- 0.2+ 030312 333 0.1- 0.3+
030309 704 0.0 0.0 030310 599 0.6- 0.5- 030312 333 (2.4- 0.3+)
030309 704 1.0+ 0.4- 030310 599 (5.4+ 0.2-) 030312 333 (1.7- 0.8+)
030309 704 0.4+ 0.0 030310 599 2.4+ 0.6+ 030312 333 (2.7- 0.1+)
030309 704 1.5+ 0.4- 030310 599 0.9+ 0.1+ 030312 670 0.2- 0.4-
030309 704 0.3+ 0.1- 030310 170 (1.9- 0.0 ) 030312 670 1.4+ 0.9-
030309 428 0.3+ 0.8+ 030310 170 (3.0- 0.6+) 030312 670 1.4- 0.2-
030309 428 0.4+ 0.0 030310 170 1.3- 0.9- 030312 670 1.3+ 0.4-
030309 428 1.1- 0.9+ 030310 170 0.3- 0.9+ 091101 T12 0.0 0.0
030309 428 0.8- 0.1+ 030311 448 0.6- 0.3- 091101 T12 0.0 0.0
030309 599 1.9+ 0.1+ 030311 448 0.1+ 0.3- 091101 T12 0.0 0.0
030309 599 0.6+ 0.2+ 030311 448 0.5- 0.4- 091109 T12 0.0 0.0
Ephemeris:
2003 EP4 a,e,i = 1.36, 0.64, 1 q = 0.4831
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 04 24 04 18 57.3 +21 07 24 2.8443 2.0717 32.8 15.2 28.6
...
2021 05 09 04 47 22.4 +22 06 03 2.9942 2.1216 24.9 11.6 28.6
...
2021 05 17 05 02 27.7 +22 29 23 3.0604 2.1444 20.7 9.6 28.6
...
2021 05 23 05 13 44.4 +22 43 15 3.1035 2.1598 17.5 8.1 28.6
2021 05 24 05 15 36.9 +22 45 16 3.1102 2.1622 17.0 7.9 28.6
2021 05 25 05 17 29.4 +22 47 11 3.1166 2.1646 16.5 7.6 28.6
...
2021 05 31 05 28 43.1 +22 56 57 3.1521 2.1781 13.3 6.2 28.6
...
2021 06 08 05 43 37.8 +23 05 15 3.1902 2.1938 9.1 4.2 28.5
...
2021 06 23 06 11 22.0 +23 06 27 3.2327 2.2166 1.2 0.5 28.3
A. U. Tomatic (C) Copyright 2021 MPC M.P.E.C. 2021-K81
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