MPEC 2007-L45 : COMET 8P/TUTTLE
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M.P.E.C. 2007-L45 Issued 2007 June 12, 00:18 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
COMET 8P/TUTTLE
Observations:
0008P C2007 04 22.46212 22 42 06.72 +41 19 22.9 EL045693
0008P C2007 04 22.46531 22 42 06.97 +41 19 25.6 EL045693
0008P C2007 04 22.46851 22 42 07.21 +41 19 28.2 20.3 T EL045693
0008P C2007 04 26.46841 22 47 24.26 +42 14 04.1 EL045693
0008P C2007 04 26.47267 22 47 24.61 +42 14 07.5 EL045693
0008P C2007 04 26.47693 22 47 24.93 +42 14 11.2 20.4 T EL045693
Observer details:
693 Catalina Station, Tucson. Observer C. W. Hergenrother. 1.54-m reflector
+ CCD.
Orbital elements:
8P/Tuttle
Epoch 2008 Jan. 15.0 TT = JDT 2454480.5
T 2008 Jan. 27.01544 TT MPC
q 1.0271358 (2000.0) P Q
n 0.07239462 Peri. 207.50542 -0.27029244 -0.50620119
a 5.7016235 Node 270.34150 +0.96276444 -0.13755064
e 0.8198520 Incl. 54.98269 +0.00516045 -0.85137546
P 13.61
From 50 observations 1967-2007, mean residual 0".91. Nongravitational
parameters A1 = +0.24 +/- 0.01, A2 = +0.0138 +/- 0.0001.
Ephemeris:
8P/Tuttle
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2007 06 09 23 46.91 +53 37.7 3.326 3.055 65.9 17.7 19.0
2007 06 19 00 01.29 +56 34.5 3.175 2.964 68.9 18.6 18.8
2007 06 29 00 16.06 +59 36.9 3.022 2.871 71.8 19.7 18.7
2007 07 09 00 31.36 +62 43.9 2.869 2.777 74.5 20.7 18.5
2007 07 19 00 47.33 +65 54.2 2.717 2.682 77.2 21.7 18.4
2007 07 29 01 04.18 +69 06.2 2.565 2.585 79.8 22.7 18.2
2007 08 08 01 22.30 +72 18.4 2.414 2.488 82.2 23.8 17.8 18.0
2007 08 18 01 42.23 +75 28.7 2.263 2.389 84.5 25.0 17.3 17.8
2007 08 28 02 05.04 +78 34.6 2.113 2.289 86.7 26.1 16.8 17.6
2007 09 07 02 33.03 +81 33.4 1.963 2.188 88.8 27.4 16.3 17.4
2007 09 17 03 11.80 +84 21.0 1.813 2.086 90.8 28.8 15.7 17.2
2007 09 27 04 21.75 +86 49.7 1.662 1.983 92.8 30.3 15.1 16.9
2007 10 07 07 46.10 +88 29.0 1.510 1.880 94.8 32.0 14.4 16.6
2007 10 17 12 32.51 +87 53.5 1.356 1.777 96.9 33.8 13.7 16.3
2007 10 27 14 20.65 +86 36.0 1.199 1.674 99.1 35.9 12.9 16.0
2007 11 06 15 33.26 +85 40.4 1.039 1.573 101.5 38.1 12.0 15.6
2007 11 16 17 00.57 +85 14.8 0.877 1.474 104.2 40.6 11.1 15.2
2007 11 26 19 19.76 +84 44.2 0.713 1.379 107.3 43.1 10.1 14.6
2007 12 06 22 11.96 +81 36.6 0.551 1.289 110.9 45.6 8.9 14.0
2007 12 16 00 06.81 +71 45.5 0.399 1.207 114.8 47.8 7.6 13.2
2007 12 26 01 10.65 +48 43.2 0.282 1.137 116.2 50.9 6.4 12.4
2008 01 05 01 50.19 +10 07.2 0.259 1.081 105.3 61.3 5.7 12.4
2008 01 15 02 17.68 -20 10.4 0.346 1.044 90.2 70.5 6.1 13.3
2008 01 25 02 38.41 -35 36.3 0.479 1.028 81.3 71.2 6.6 14.0
2008 02 04 02 55.26 -43 53.3 0.620 1.034 76.5 67.9 7.3 14.4
2008 02 14 03 10.45 -48 58.7 0.753 1.063 73.9 63.2 7.9 14.8
2008 02 24 03 25.78 -52 29.3 0.872 1.112 73.1 58.3 8.6 15.0
2008 03 05 03 42.88 -55 08.2 0.973 1.177 73.6 53.9 9.4 15.3
2008 03 15 04 03.33 -57 18.1 1.057 1.255 75.3 50.1 10.1 15.5
2008 03 25 04 28.46 -59 11.2 1.126 1.342 78.1 46.7 10.8 15.7
2008 04 04 04 59.56 -60 51.1 1.183 1.435 81.7 43.6 11.5 15.8
2008 04 14 05 37.74 -62 15.3 1.232 1.533 85.9 40.8 12.2 16.0
2008 04 24 06 23.32 -63 15.1 1.280 1.633 90.4 38.0 12.8 16.1
2008 05 04 07 15.27 -63 37.1 1.331 1.735 94.8 35.4 13.4 16.3
2008 05 14 08 10.66 -63 10.4 1.391 1.838 98.6 32.9 14.0 16.4
2008 05 24 09 05.31 -61 52.7 1.465 1.941 101.6 30.7 14.6 16.6
2008 06 03 09 55.74 -59 52.4 1.557 2.044 103.3 28.9 15.2 16.8
2008 06 13 10 40.31 -57 25.5 1.669 2.146 103.5 27.4 15.7 17.0
2008 06 23 11 18.96 -54 49.1 1.800 2.248 102.3 26.2 16.3 17.2
2008 07 03 11 52.48 -52 16.2 1.951 2.348 99.8 25.3 16.9 17.5
2008 07 13 12 21.91 -49 55.5 2.119 2.448 96.2 24.4 17.4 17.7
2008 07 23 12 48.14 -47 51.2 2.301 2.546 91.9 23.5 17.9 17.9
2008 08 02 13 11.92 -46 04.5 2.495 2.643 86.9 22.5 18.2
2008 08 12 13 33.84 -44 34.9 2.698 2.738 81.5 21.5 18.4
2008 08 22 13 54.30 -43 20.8 2.905 2.833 75.8 20.3 18.6
2008 09 01 14 13.64 -42 20.1 3.115 2.926 69.9 18.9 18.8
2008 09 11 14 32.08 -41 30.9 3.324 3.018 63.8 17.4 18.9
2008 09 21 14 49.78 -40 51.1 3.529 3.109 57.6 15.8 19.1
2008 10 01 15 06.87 -40 18.8 3.727 3.198 51.3 14.1 19.2
2008 10 11 15 23.43 -39 52.5 3.916 3.287 45.0 12.4 19.3
2008 10 21 15 39.49 -39 30.8 4.094 3.374 38.6 10.6 19.4
2008 10 31 15 55.10 -39 12.6 4.257 3.460 32.4 8.8 19.4
Brian G. Marsden (C) Copyright 2007 MPC M.P.E.C. 2007-L45
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