MPEC 2008-E83 : 2008 EF9
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M.P.E.C. 2008-E83 Issued 2008 Mar. 10, 20:13 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 EF9
Observations:
K08E09F C2008 02 10.38146 10 08 22.30 +06 55 27.6 21.7 V EE083G96
K08E09F C2008 02 10.38997 10 08 22.12 +06 55 34.8 22.4 V EE083G96
K08E09F C2008 02 10.40337 10 08 21.76 +06 55 46.4 21.8 V EE083G96
K08E09F C2008 02 10.41412 10 08 21.55 +06 55 55.4 21.2 V EE083G96
K08E09F* C2008 03 08.22461 09 44 04.81 +28 06 09.5 19.3 EE083704
K08E09F C2008 03 08.23561 09 44 02.92 +28 07 32.1 19.8 EE083704
K08E09F C2008 03 08.24659 09 44 01.08 +28 08 54.2 19.4 EE083704
K08E09F C2008 03 08.25761 09 43 59.15 +28 10 19.4 19.2 EE083704
K08E09F C2008 03 08.26861 09 43 57.23 +28 11 39.8 19.9 EE083704
K08E09F C2008 03 08.87671 09 42 30.56 +29 30 09.8 EE083246
K08E09F C2008 03 08.87728 09 42 30.46 +29 30 13.2 EE083246
K08E09F C2008 03 08.87774 09 42 30.27 +29 30 17.7 EE083246
K08E09F C2008 03 08.87883 09 42 30.11 +29 30 26.7 EE083246
K08E09F C2008 03 08.87932 09 42 30.06 +29 30 30.6 EE083246
K08E09F C2008 03 08.87985 09 42 29.97 +29 30 34.5 EE083246
K08E09F C2008 03 08.88039 09 42 29.86 +29 30 39.0 EE083246
K08E09F C2008 03 08.91521 09 42 23.77 +29 35 20.2 EE083046
K08E09F C2008 03 08.91752 09 42 23.43 +29 35 37.3 EE083046
K08E09F C2008 03 08.92061 09 42 22.70 +29 36 05.2 EE083046
K08E09F C2008 03 08.92147 09 42 22.56 +29 36 07.3 EE083046
K08E09F C2008 03 09.12864909 41 52.88 +30 04 33.0 19.4 V EE083H55
K08E09F C2008 03 09.13065109 41 52.50 +30 04 49.5 19.3 V EE083H55
K08E09F C2008 03 09.13261909 41 52.15 +30 05 06.0 19.4 V EE083H55
K08E09F C2008 03 09.17537 09 41 46.26 +30 11 09.6 19.5 R EE083651
K08E09F C2008 03 09.17610 09 41 46.10 +30 11 15.7 19.4 R EE083651
K08E09F C2008 03 09.19225 09 41 40.45 +30 13 35.3 18.5 V EE083H68
K08E09F C2008 03 09.19498 09 41 42.50 +30 13 52.8 19.5 V EE083G96
K08E09F C2008 03 09.19722 09 41 39.53 +30 14 16.2 18.8 V EE083H68
K08E09F C2008 03 09.19946 09 41 41.67 +30 14 30.2 19.3 V EE083G96
K08E09F C2008 03 09.20399 09 41 40.81 +30 15 08.2 19.3 V EE083G96
K08E09F C2008 03 09.20860 09 41 39.91 +30 15 47.1 19.3 V EE083G96
K08E09F C2008 03 09.20931 09 41 37.23 +30 15 56.4 EE083H68
K08E09F C2008 03 09.22512 09 41 36.43 +30 18 04.1 19.3 EE083704
K08E09F C2008 03 09.23630 09 41 34.24 +30 19 37.7 19.7 EE083704
K08E09F C2008 03 09.24743 09 41 32.15 +30 21 11.3 19.3 EE083704
K08E09F C2008 03 09.25847 09 41 30.02 +30 22 43.0 19.3 EE083704
K08E09F C2008 03 09.81652 09 40 01.43 +31 42 30.3 EE083J95
K08E09F C2008 03 09.81938 09 40 00.86 +31 42 56.3 EE083J95
K08E09F C2008 03 09.82220 09 40 00.33 +31 43 21.2 19.4 R EE083J95
K08E09F C2008 03 09.89407 09 39 44.99 +31 54 17.9 18.8 V EE083B03
K08E09F C2008 03 09.90386 09 39 42.98 +31 55 45.1 18.5 V EE083B03
K08E09F C2008 03 09.90777 09 39 42.24 +31 56 19.9 18.9 V EE083B03
K08E09F C2008 03 09.91169 09 39 41.48 +31 56 55.2 18.8 V EE083B03
Observer details:
046 Klet. Observer M. Honkova. 0.57-m f/5.2 reflector + CCD.
246 Klet Observatory-KLENOT. Observers J. Ticha, M. Tichy. Measurer M. Tichy.
1.06-m KLENOT Telescope + CCD.
651 Grasslands Observatory, Tucson. Observer J. E. McGaha. 0.62-m f/5.1
Newtonian reflector + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Bezpalko, D. Torres,
R. Kracke, G. Spitz, J. Kistler. Measurers J. Stuart, S. Scruggs. 1.0-m
f/2.15 reflector + CCD.
B03 Alter Satzberg, Vienna. Observer M. Pietschnig. 0.35-m f/5.8
Schmidt-Cassegrain + CCD.
G96 Mt. Lemmon Survey. Observers A. D. Grauer, R. A. Kowalski. 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.
H55 Astronomical Research Observatory, Charleston. Observer R. Holmes.
0.61-m f/4.0 astrograph + CCD.
H68 Red Barn Observatory, Ty Ty. Observer S. Farmer Jr. 0.30-m f/5
Cassegrain + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2008 EF9 Earth MOID = 0.0485 AU
Epoch 2008 May 14.0 TT = JDT 2454600.5 MPC
M 5.66461 (2000.0) P Q
n 0.31185371 Peri. 76.63038 -0.64570115 +0.76176922
a 2.1536185 Node 152.92746 -0.73772788 -0.60453280
e 0.6015975 Incl. 6.64991 -0.19704720 -0.23291147
P 3.16 H 22.5 G 0.15 U 7
Residuals in seconds of arc
080210 G96 0.3- 0.1- 080308 246 0.0 0.3- 080309 G96 0.4- 0.2-
080210 G96 0.1+ 0.1- 080308 046 1.0+ 0.4+ 080309 H68 0.6- 1.7+
080210 G96 0.4- 0.1+ 080308 046 1.9+ 1.1- 080309 704 0.5+ 0.1+
080210 G96 0.3+ 0.1+ 080308 046 0.5- 1.9+ 080309 704 0.1- 0.2+
080308 704 0.3+ 0.3- 080308 046 0.3- 2.9- 080309 704 0.5+ 0.8+
080308 704 0.0 0.3- 080309 H55 0.0 0.2- 080309 704 0.4+ 0.4+
080308 704 0.4+ 0.6- 080309 H55 0.2- 0.3- 080309 J95 0.0 0.2-
080308 704 0.3- 1.9+ 080309 H55 0.0 0.2- 080309 J95 0.3- 0.0
080308 704 0.9- 0.1- 080309 651 0.5+ 0.0 080309 J95 0.2- 0.6-
080308 246 0.6+ 0.2+ 080309 651 0.2+ 0.0 080309 B03 0.2- 1.1+
080308 246 0.6+ 1.0- 080309 H68 1.1- 2.0+ 080309 B03 0.6- 0.3+
080308 246 0.8- 0.2- 080309 G96 0.3- 0.2- 080309 B03 0.1+ 0.0
080308 246 0.4- 0.0 080309 H68 0.7- 1.7+ 080309 B03 0.5+ 0.2+
080308 246 0.1+ 0.1- 080309 G96 0.1- 0.4-
080308 246 0.2+ 0.4- 080309 G96 0.1- 0.4-
Ephemeris:
2008 EF9 a,e,i = 2.15, 0.60, 7 q = 0.8580
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2008 03 05 09 50.33 +22 23.8 0.135 1.117 155.9 21.3 19.4
2008 03 07 09 46.71 +25 42.8 0.121 1.100 151.3 25.7 19.3
2008 03 09 09 42.19 +29 47.1 0.108 1.084 146.0 30.8 19.2
2008 03 11 09 36.26 +34 50.8 0.0962 1.069 139.8 36.8 19.1
2008 03 13 09 27.97 +41 11.4 0.0851 1.053 132.5 44.1 19.0
2008 03 15 09 15.21 +49 08.3 0.0755 1.038 123.7 52.8 18.9
2008 03 17 08 52.45 +58 52.8 0.0678 1.024 113.1 63.4 19.0
2008 03 19 08 00.70 +69 55.7 0.0628 1.009 100.8 75.7 19.2
2008 03 21 05 16.07 +78 47.0 0.0610 0.995 87.5 89.0 19.6
2008 03 23 01 07.42 +75 10.2 0.0627 0.982 74.6 101.9 20.2
2008 03 25 23 41.20 +65 00.0 0.0677 0.969 63.5 112.9 20.9
Sonia Keys (C) Copyright 2008 MPC M.P.E.C. 2008-E83
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