MPEC 2005-U97 : 2005 TN74, 2005 TO74
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M.P.E.C. 2005-U97 Issued 2005 Oct. 31, 00:56 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.
Supported in part by the Brinson Foundation
Supported in part by the TABASGO Foundation
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
2005 TN74, 2005 TO74
Observations:
K05T74N* C2005 10 08.04350 00 26 22.33 +02 30 28.3 22.1 R EU097304
K05T74N C2005 10 08.08605 00 26 22.09 +02 30 26.8 EU097304
K05T74N C2005 10 08.12454 00 26 21.87 +02 30 25.2 22.0 R EU097304
K05T74N C2005 10 25.10432 00 24 55.07 +02 20 52.7 EU097304
K05T74N C2005 10 25.13750 00 24 54.86 +02 20 52.4 22.2 R EU097304
K05T74O* C2005 10 08.09245 00 28 45.27 +01 16 41.8 EU097304
K05T74O C2005 10 08.13089 00 28 45.05 +01 16 40.4 22.9 R EU097304
K05T74O C2005 10 08.16274 00 28 44.84 +01 16 39.2 22.9 R EU097304
K05T74O C2005 10 25.11067 00 27 08.59 +01 06 03.3 EU097304
K05T74O C2005 10 25.14367 00 27 08.30 +01 06 01.1 23.0 R EU097304
Observer details:
304 Las Campanas Observatory. Observers S. S. Sheppard, C. A. Trujillo.
Measurer S. S. Sheppard. Baade 6.5-m reflector + CCD, Dupont
2.5-m reflector + CCD.
Orbital elements:
Object H G Epoch M Peri. Node Incl. e a Arc C
K05T74N 7.1 0.15 K05AH 179.980 5.959 181.370 2.968 0.15966 30.00895 17EX
K05T74O 8.5 0.15 K05AH 180.220 17.934 169.334 5.236 0.01113 30.12349 17EX
Ephemerides:
2005 TN74 a,e,i = 30.01, 0.16, 3 q = 25.218
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2005 10 27 00 24.77 +02 19.9 33.911 34.800 153.0 0.7 22.6
2005 11 06 00 24.03 +02 15.1 34.005 34.800 142.8 1.0 22.6
2005 11 16 00 23.42 +02 11.0 34.123 34.800 132.6 1.2 22.6
2005 11 26 00 22.94 +02 07.9 34.262 34.800 122.4 1.4 22.7
2005 12 06 00 22.63 +02 05.8 34.417 34.800 112.1 1.5 22.7
2005 12 16 00 22.48 +02 04.8 34.583 34.800 101.9 1.6 22.7
2005 12 26 00 22.53 +02 05.0 34.756 34.800 91.8 1.6 22.7
2006 01 05 00 22.75 +02 06.4 34.929 34.800 81.6 1.6 22.7
2006 01 15 00 23.15 +02 09.0 35.099 34.800 71.6 1.5 22.7
2006 01 25 00 23.72 +02 12.6 35.258 34.800 61.5 1.4 22.7
2006 02 04 00 24.45 +02 17.3 35.404 34.800 51.6 1.3 22.7
2006 02 14 00 25.32 +02 22.8 35.531 34.800 41.7 1.1 22.7
2006 02 24 00 26.29 +02 29.0 35.636 34.800 31.9 0.9 22.7
2005 TO74 a,e,i = 30.12, 0.01, 5 q = 29.788
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2005 10 27 00 26.98 +01 05.0 29.570 30.459 153.0 0.8 23.4
2005 11 06 00 26.16 +00 59.7 29.664 30.459 142.8 1.1 23.4
2005 11 16 00 25.48 +00 55.4 29.781 30.459 132.5 1.4 23.5
2005 11 26 00 24.96 +00 52.2 29.920 30.459 122.3 1.6 23.5
2005 12 06 00 24.62 +00 50.3 30.074 30.459 112.1 1.7 23.5
2005 12 16 00 24.48 +00 49.6 30.241 30.459 101.9 1.8 23.5
2005 12 26 00 24.55 +00 50.4 30.413 30.459 91.7 1.8 23.6
2006 01 05 00 24.83 +00 52.4 30.586 30.459 81.6 1.8 23.6
2006 01 15 00 25.31 +00 55.8 30.755 30.459 71.6 1.8 23.6
2006 01 25 00 25.98 +01 00.4 30.915 30.459 61.6 1.6 23.6
2006 02 04 00 26.83 +01 06.1 31.060 30.459 51.7 1.5 23.6
2006 02 14 00 27.84 +01 12.7 31.187 30.459 41.8 1.2 23.6
2006 02 24 00 28.97 +01 20.0 31.293 30.459 32.1 1.0 23.5
The assumed perihelic 1:1 Neptune-resonance orbits keep 2005 TN74 and
2005 TO74 more than 15 and 19 AU, respectively, from Neptune over a
14 000-year period.
Brian G. Marsden (C) Copyright 2005 MPC M.P.E.C. 2005-U97
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