MPEC 2005-T100: 2005 PQ21, 2005 PR21, 2005 PS21, 2005 PT21, 2005 PU21
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Read MPEC 2005-T99
Read MPEC 2005-T101
M.P.E.C. 2005-T100 Issued 2005 Oct. 15, 00:28 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
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
2005 PQ21, 2005 PR21, 2005 PS21, 2005 PT21, 2005 PU21
Observations:
K05P21Q* C2005 08 09.21432 22 24 36.47 -07 41 37.7 21.4 R ET100807
K05P21Q C2005 08 10.06229 22 24 32.56 -07 41 57.9 ET100807
K05P21Q C2005 08 10.19570 22 24 31.94 -07 42 01.1 ET100807
K05P21R* C2005 08 09.23126 22 31 11.11 -09 23 51.6 20.7 R ET100807
K05P21R C2005 08 10.07821 22 31 07.44 -09 24 12.9 ET100807
K05P21R C2005 08 10.21174 22 31 06.85 -09 24 16.3 ET100807
K05P21S* C2005 08 09.23528 22 32 46.31 -07 37 56.0 22.2 R ET100807
K05P21S C2005 08 10.08200 22 32 42.99 -07 38 15.5 ET100807
K05P21S C2005 08 10.21627 22 32 42.45 -07 38 18.6 ET100807
K05P21T* C2005 08 09.25868 22 46 32.79 -05 15 37.6 22.1 R ET100807
K05P21T C2005 08 10.09741 22 46 29.53 -05 15 58.2 ET100807
K05P21T C2005 08 10.23568 22 46 28.99 -05 16 01.6 ET100807
K05P21U* C2005 08 09.26690 22 53 07.86 -03 42 09.3 21.5 R ET100807
K05P21U C2005 08 10.10542 22 53 04.87 -03 42 27.5 ET100807
K05P21U C2005 08 10.24393 22 53 04.36 -03 42 30.5 ET100807
Observer details:
807 Cerro Tololo. Observers L. H. Wasserman, D. E. Trilling, R. A. Crudo.
Measurers L. H. Wasserman, D. E. Trilling, R. L. Millis.
4.0-m f/3 Blanco reflector + CCD.
Orbital elements:
Object H G Epoch M Peri. Node Incl. e a Arc C
K05P21Q 5.9 0.15 K057T 359.962 17.641 317.092 6.753 0.10805 43.43543 1EX
K05P21R 5.0 0.15 K057T 359.964 356.042 339.467 1.223 0.09468 44.90963 1EX
K05P21S 6.0 0.15 K057T 0.000 146.970 189.519 2.535 0.0 45.10891 1EX
K05P21T 6.1 0.15 K057T 0.000 166.406 173.875 9.777 0.0 43.42711 1EX
K05P21U 5.1 0.15 K057T 179.864 337.165 185.347 7.949 0.05371 44.53385 1EX
Ephemerides:
2005 PQ21 a,e,i = 43.44, 0.11, 7 q = 38.742
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2005 10 07 22 20.18 -08 06.0 37.970 38.742 140.1 0.9 21.9
2005 10 17 22 19.66 -08 09.1 38.093 38.742 130.1 1.1 21.9
2005 10 27 22 19.28 -08 11.5 38.235 38.742 120.1 1.3 21.9
2005 11 06 22 19.05 -08 13.1 38.392 38.742 110.0 1.4 22.0
2005 11 16 22 18.98 -08 13.7 38.559 38.742 99.9 1.4 22.0
2005 11 26 22 19.08 -08 13.5 38.732 38.742 89.9 1.5 22.0
2005 12 06 22 19.34 -08 12.3 38.905 38.742 79.8 1.4 22.0
2005 12 16 22 19.77 -08 10.1 39.072 38.743 69.8 1.4 22.0
2005 12 26 22 20.34 -08 07.0 39.229 38.743 59.8 1.3 22.0
2006 01 05 22 21.06 -08 03.1 39.371 38.743 49.8 1.1 22.0
2006 01 15 22 21.90 -07 58.3 39.493 38.743 39.8 0.9 22.0
2005 PR21 a,e,i = 44.91, 0.09, 1 q = 40.657
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2005 10 07 22 26.94 -09 48.3 39.875 40.658 141.1 0.9 21.2
2005 10 17 22 26.43 -09 51.2 39.996 40.658 131.1 1.1 21.2
2005 10 27 22 26.04 -09 53.3 40.136 40.658 121.0 1.2 21.2
2005 11 06 22 25.80 -09 54.7 40.292 40.658 111.0 1.3 21.3
2005 11 16 22 25.70 -09 55.1 40.459 40.658 100.9 1.4 21.3
2005 11 26 22 25.77 -09 54.7 40.632 40.658 90.8 1.4 21.3
2005 12 06 22 25.99 -09 53.3 40.805 40.658 80.7 1.4 21.3
2005 12 16 22 26.37 -09 51.0 40.973 40.658 70.7 1.3 21.3
2005 12 26 22 26.90 -09 47.9 41.131 40.658 60.6 1.2 21.3
2006 01 05 22 27.57 -09 44.0 41.275 40.658 50.6 1.1 21.3
2006 01 15 22 28.35 -09 39.3 41.399 40.658 40.6 0.9 21.3
2006 01 25 22 29.24 -09 34.1 41.501 40.658 30.7 0.7 21.3
2005 PS21 a,e,i = 45.11, 0.00, 3
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2005 10 07 22 28.91 -08 01.5 44.315 45.109 142.2 0.8 22.6
2005 10 17 22 28.44 -08 04.5 44.434 45.109 132.2 0.9 22.7
2005 10 27 22 28.07 -08 07.0 44.572 45.109 122.1 1.1 22.7
2005 11 06 22 27.84 -08 08.8 44.727 45.109 112.1 1.2 22.7
2005 11 16 22 27.74 -08 09.8 44.893 45.109 102.0 1.2 22.7
2005 11 26 22 27.78 -08 10.0 45.065 45.109 91.9 1.3 22.7
2005 12 06 22 27.96 -08 09.3 45.239 45.109 81.8 1.2 22.7
2005 12 16 22 28.29 -08 07.8 45.408 45.109 71.7 1.2 22.7
2005 12 26 22 28.75 -08 05.5 45.567 45.109 61.7 1.1 22.7
2006 01 05 22 29.33 -08 02.4 45.712 45.109 51.6 1.0 22.7
2006 01 15 22 30.02 -07 58.7 45.839 45.109 41.6 0.8 22.7
2006 01 25 22 30.80 -07 54.4 45.944 45.109 31.7 0.7 22.7
2005 PT21 a,e,i = 43.43, 0.00, 10
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2005 10 07 22 42.57 -05 42.3 42.593 43.427 146.2 0.7 22.6
2005 10 17 22 42.05 -05 46.2 42.703 43.427 136.1 0.9 22.6
2005 10 27 22 41.64 -05 49.5 42.834 43.427 126.1 1.1 22.6
2005 11 06 22 41.35 -05 52.1 42.983 43.427 116.0 1.2 22.6
2005 11 16 22 41.21 -05 53.9 43.145 43.427 105.9 1.3 22.6
2005 11 26 22 41.20 -05 54.9 43.316 43.427 95.8 1.3 22.7
2005 12 06 22 41.35 -05 55.0 43.489 43.427 85.7 1.3 22.7
2005 12 16 22 41.64 -05 54.1 43.661 43.427 75.7 1.3 22.7
2005 12 26 22 42.07 -05 52.4 43.824 43.427 65.6 1.2 22.7
2006 01 05 22 42.64 -05 49.9 43.976 43.427 55.6 1.1 22.7
2006 01 15 22 43.32 -05 46.5 44.110 43.427 45.6 0.9 22.7
2006 01 25 22 44.10 -05 42.5 44.224 43.427 35.6 0.8 22.6
2005 PU21 a,e,i = 44.53, 0.05, 8 q = 42.142
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2005 10 07 22 49.40 -04 06.9 46.073 46.926 148.3 0.6 21.9
2005 10 17 22 48.90 -04 10.6 46.177 46.926 138.3 0.8 21.9
2005 10 27 22 48.49 -04 13.9 46.304 46.926 128.2 1.0 21.9
2005 11 06 22 48.20 -04 16.6 46.450 46.926 118.2 1.1 22.0
2005 11 16 22 48.03 -04 18.6 46.609 46.926 108.1 1.1 22.0
2005 11 26 22 47.99 -04 19.8 46.778 46.926 98.0 1.2 22.0
2005 12 06 22 48.09 -04 20.2 46.952 46.926 87.9 1.2 22.0
2005 12 16 22 48.33 -04 19.7 47.124 46.926 77.8 1.2 22.0
2005 12 26 22 48.70 -04 18.4 47.290 46.926 67.7 1.1 22.0
2006 01 05 22 49.19 -04 16.2 47.444 46.926 57.7 1.0 22.0
2006 01 15 22 49.79 -04 13.4 47.582 46.926 47.7 0.9 22.0
2006 01 25 22 50.48 -04 09.8 47.701 46.926 37.7 0.7 22.0
Brian G. Marsden (C) Copyright 2005 MPC M.P.E.C. 2005-T100
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