MPEC 2008-T91 : 2008 TF9
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M.P.E.C. 2008-T91 Issued 2008 Oct. 8, 20:16 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 TF9
Observations:
K08T09F* C2008 10 08.13889 22 50 19.53 -01 09 23.9 19.6 V ET091G96
K08T09F C2008 10 08.14316 22 50 18.63 -01 08 55.7 19.6 V ET091G96
K08T09F C2008 10 08.14755 22 50 17.70 -01 08 26.3 19.4 V ET091G96
K08T09F C2008 10 08.15183 22 50 16.76 -01 07 57.9 19.8 V ET091G96
K08T09F C2008 10 08.17596 22 50 11.69 -01 05 17.7 19.9 V ET091G96
K08T09F C2008 10 08.17642 22 50 11.55 -01 05 14.4 19.6 V ET091G96
K08T09F C2008 10 08.17690 22 50 11.47 -01 05 11.2 19.8 V ET091G96
K08T09F C2008 10 08.17736 22 50 11.39 -01 05 08.4 19.7 V ET091G96
K08T09F 5C2008 10 08.21528 22 50 03.54 -01 00 56.4 18.4 R ET091673
K08T09F 5C2008 10 08.22153 22 50 02.26 -01 00 16.3 ET091673
K08T09F 5C2008 10 08.22951 22 50 00.56 -00 59 22.1 ET091673
K08T09F 5C2008 10 08.24340 22 49 57.68 -00 57 50.3 ET091673
K08T09F C2008 10 08.24596 22 49 56.56 -00 57 35.6 19.5 R ET091H36
K08T09F C2008 10 08.25390 22 49 54.86 -00 56 43.5 19.9 R ET091H36
K08T09F C2008 10 08.25670 22 49 54.33 -00 56 25.1 19.1 R ET091H36
K08T09F C2008 10 08.27348 22 49 51.18 -00 54 30.2 20.4 R ET091854
K08T09F C2008 10 08.28275 22 49 49.33 -00 53 24.4 20.4 R ET091854
K08T09F C2008 10 08.29201 22 49 47.25 -00 52 32.1 20.4 R ET091854
K08T09F C2008 10 08.79725 22 48 09.31 +00 02 18.2 ET091J95
K08T09F C2008 10 08.81124 22 48 06.54 +00 03 47.9 ET091J95
K08T09F C2008 10 08.82181 22 48 04.39 +00 04 56.4 19.9 R ET091J95
Observer details:
673 Table Mountain Observatory, Wrightwood. Observer D. Mayes. 0.6-m f/16
Cassegrain + CCD.
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.36-m f/10.0
Schmidt-Cassegrain + CCD.
G96 Mt. Lemmon Survey. Observer A. Boattini. 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.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2008 TF9 Earth MOID = 0.2572 AU
Epoch 2008 Oct. 1.0 TT = JDT 2454740.5 MPC
M 7.18961 (2000.0) P Q
n 0.20119169 Peri. 323.09023 +0.84060615 +0.53720908
a 2.8844479 Node 5.86904 -0.16690206 +0.37843078
e 0.5901632 Incl. 42.58423 -0.51529119 +0.75378813
P 4.90 H 20.6 G 0.15
From 21 observations 2008 Oct. 8.
Ephemeris:
2008 TF9 a,e,i = 2.88, 0.59, 43 q = 1.1822
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2008 10 01 23 21.64 -16 45.3 0.279 1.258 153.9 20.5 19.3
2008 10 03 23 11.27 -11 56.2 0.290 1.266 153.4 20.7 19.4
2008 10 05 23 02.21 -07 26.5 0.303 1.275 151.8 21.8 19.6
2008 10 07 22 54.33 -03 19.5 0.318 1.284 149.4 23.3 19.8
2008 10 09 22 47.50 +00 24.2 0.336 1.293 146.7 25.1 19.9
2008 10 11 22 41.61 +03 44.8 0.356 1.303 143.9 26.8 20.1
2008 10 13 22 36.56 +06 44.0 0.377 1.313 141.1 28.5 20.3
2008 10 15 22 32.26 +09 23.5 0.400 1.323 138.4 30.0 20.5
2008 10 17 22 28.62 +11 45.4 0.424 1.334 135.8 31.4 20.7
2008 10 19 22 25.58 +13 51.8 0.449 1.344 133.4 32.6 20.9
2008 10 21 22 23.07 +15 44.6 0.475 1.355 131.1 33.6 21.0
2008 10 23 22 21.04 +17 25.6 0.501 1.367 129.0 34.5 21.2
2008 10 25 22 19.45 +18 56.3 0.528 1.378 127.0 35.2 21.4
2008 10 27 22 18.25 +20 18.0 0.556 1.390 125.1 35.8 21.5
2008 10 29 22 17.42 +21 32.0 0.584 1.402 123.3 36.3 21.6
2008 10 31 22 16.91 +22 39.2 0.613 1.414 121.6 36.7 21.8
2008 11 02 22 16.70 +23 40.6 0.642 1.427 120.1 37.0 21.9
2008 11 04 22 16.77 +24 36.9 0.671 1.439 118.6 37.2 22.0
2008 11 06 22 17.09 +25 28.8 0.701 1.452 117.1 37.4 22.1
2008 11 08 22 17.64 +26 16.8 0.731 1.465 115.8 37.5 22.3
2008 11 10 22 18.41 +27 01.4 0.761 1.478 114.5 37.6 22.4
Timothy B. Spahr (C) Copyright 2008 MPC M.P.E.C. 2008-T91
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