MPEC 2005-H41 : 2005 ER318, 2005 GW186, 2005 GX186, 2005 GY186, 2005 GZ186, 2005 GA187
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M.P.E.C. 2005-H41 Issued 2005 Apr. 30, 16:38 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 ER318, 2005 GW186, 2005 GX186, 2005 GY186, 2005 GZ186, 2005 GA187
Observations:
K05EV8R* C2005 03 12.22302 09 59 54.02 +13 19 17.6 22.2 R EH041695
K05EV8R C2005 03 12.30395 09 59 53.55 +13 19 19.8 EH041695
K05EV8R C2005 04 10.17132 09 57 42.12 +13 28 22.2 22.7 R EH041695
K05EV8R C2005 04 11.17767 09 57 38.92 +13 28 33.5 EH041695
K05EV8R C2005 04 11.27858 09 57 38.59 +13 28 34.6 EH041695
K05GI6W* C2005 04 10.16680 09 52 35.18 +12 17 26.5 22.2 R EH041695
K05GI6W C2005 04 10.25972 09 52 34.91 +12 17 28.3 EH041695
K05GI6W C2005 04 11.17236 09 52 32.61 +12 17 41.6 EH041695
K05GI6W C2005 04 12.17254 09 52 30.14 +12 17 56.7 EH041695
K05GI6W C2005 04 13.18328 09 52 27.72 +12 18 11.2 EH041695
K05GI6X* C2005 04 10.21298 11 30 28.62 +04 09 21.2 23.3 R EH041695
K05GI6X C2005 04 11.21598 11 30 24.89 +04 09 45.3 EH041695
K05GI6X C2005 04 11.30781 11 30 24.55 +04 09 47.5 EH041695
K05GI6Y* C2005 04 10.24180 12 24 53.78 -03 16 37.0 22.9 R EH041695
K05GI6Y C2005 04 10.34600 12 24 53.27 -03 16 34.7 EH041695
K05GI6Y C2005 04 11.23956 12 24 49.00 -03 16 10.0 EH041695
K05GI6Z* C2005 04 10.25070 12 41 53.46 -00 49 22.1 22.4 R EH041695
K05GI6Z C2005 04 10.35057 12 41 52.91 -00 49 19.1 EH041695
K05GI6Z C2005 04 11.24785 12 41 48.62 -00 48 54.4 EH041695
K05GI7A* C2005 04 10.36854 13 57 17.10 -13 27 31.5 EH041695
K05GI7A C2005 04 11.33662 13 57 12.17 -13 27 09.6 EH041695
K05GI7A C2005 04 11.42230 13 57 11.74 -13 27 07.3 EH041695
Observer details:
695 Kitt Peak. Observers M. W. Buie, L. H. Wasserman, J. F. Kane,
J. R. Lovering. Measurers M. W. Buie, L. H. Wasserman, D. E. Trilling,
J. L. Elliot, R. L. Millis, J. F. Kane, J. R. Lovering. 4-m f/2.8
reflector + CCD.
Orbital elements:
Object H G Epoch M Peri. Node Incl. e a Arc C
K05EV8R 7.8 0.15 K053B 359.995 174.478 333.600 10.301 0.14644 36.74047 30EX
K05GI6W 6.8 0.15 K053V 359.965 349.543 157.801 3.048 0.14626 43.21302 3EX
K05GI6X 7.2 0.15 K053V 0.000 14.081 158.128 3.576 0.0 43.49295 1EX
K05GI6Y 7.4 0.15 K053V 359.965 182.421 4.993 12.509 0.11083 43.07575 1EX
K05GI6Z 7.0 0.15 K053V 359.966 153.993 36.033 7.548 0.12885 43.82995 1EX
K05GI7A 0.15 K053V 359.965 185.656 26.191 13.779 0.11438 43.00525 1EX
Ephemerides:
2005 ER318 a,e,i = 36.74, 0.15, 10 q = 31.360
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2005 04 30 09 56.99 +13 30.2 31.051 31.360 107.0 1.8 23.0
2005 05 10 09 56.93 +13 29.5 31.216 31.360 97.3 1.8 23.0
2005 05 20 09 57.07 +13 27.8 31.384 31.360 87.7 1.8 23.0
2005 05 30 09 57.41 +13 25.0 31.552 31.360 78.2 1.8 23.0
2005 06 09 09 57.94 +13 21.2 31.714 31.360 68.8 1.7 23.0
2005 06 19 09 58.65 +13 16.4 31.865 31.360 59.4 1.6 23.0
2005 06 29 09 59.53 +13 10.8 32.003 31.360 50.1 1.4 23.0
2005 07 09 10 00.55 +13 04.5 32.123 31.360 40.8 1.2 23.0
2005 07 19 10 01.69 +12 57.5 32.221 31.360 31.6 1.0 23.0
2005 GW186 a,e,i = 43.21, 0.15, 3 q = 36.893
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2005 04 30 09 52.04 +12 20.9 36.598 36.893 106.3 1.5 22.7
2005 05 10 09 52.01 +12 21.4 36.764 36.893 96.6 1.6 22.7
2005 05 20 09 52.15 +12 21.0 36.933 36.893 87.0 1.6 22.7
2005 05 30 09 52.47 +12 19.6 37.100 36.893 77.4 1.5 22.7
2005 06 09 09 52.94 +12 17.4 37.261 36.893 68.0 1.5 22.7
2005 06 19 09 53.57 +12 14.4 37.412 36.893 58.6 1.3 22.7
2005 06 29 09 54.34 +12 10.6 37.548 36.893 49.3 1.2 22.7
2005 07 09 09 55.23 +12 06.2 37.666 36.893 39.9 1.0 22.7
2005 07 19 09 56.22 +12 01.1 37.763 36.893 30.7 0.8 22.7
2005 GX186 a,e,i = 43.49, 0.00, 4
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2005 04 30 11 29.41 +04 16.2 42.818 43.493 131.6 1.0 23.7
2005 05 10 11 29.03 +04 18.6 42.952 43.493 121.8 1.1 23.7
2005 05 20 11 28.77 +04 20.2 43.102 43.493 112.1 1.2 23.7
2005 05 30 11 28.64 +04 21.0 43.263 43.493 102.5 1.3 23.8
2005 06 09 11 28.64 +04 20.8 43.430 43.493 92.9 1.3 23.8
2005 06 19 11 28.79 +04 19.8 43.598 43.493 83.4 1.3 23.8
2005 06 29 11 29.07 +04 17.9 43.764 43.493 73.9 1.3 23.8
2005 07 09 11 29.49 +04 15.2 43.921 43.493 64.5 1.2 23.8
2005 07 19 11 30.02 +04 11.7 44.066 43.493 55.1 1.1 23.8
2005 07 29 11 30.66 +04 07.5 44.196 43.493 45.7 1.0 23.8
2005 08 08 11 31.40 +04 02.8 44.305 43.493 36.4 0.8 23.8
2005 GY186 a,e,i = 43.08, 0.11, 13 q = 38.302
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2005 04 30 12 23.43 -03 08.3 37.454 38.302 146.9 0.8 23.3
2005 05 10 12 22.82 -03 04.9 37.556 38.302 137.1 1.0 23.3
2005 05 20 12 22.32 -03 02.1 37.680 38.302 127.3 1.2 23.4
2005 05 30 12 21.95 -03 00.2 37.821 38.302 117.6 1.3 23.4
2005 06 09 12 21.72 -02 59.3 37.976 38.302 108.0 1.4 23.4
2005 06 19 12 21.65 -02 59.3 38.140 38.302 98.4 1.5 23.4
2005 06 29 12 21.74 -03 00.3 38.308 38.302 88.9 1.5 23.4
2005 07 09 12 21.98 -03 02.3 38.475 38.302 79.4 1.5 23.4
2005 07 19 12 22.37 -03 05.2 38.637 38.302 70.0 1.4 23.4
2005 07 29 12 22.90 -03 09.1 38.790 38.302 60.6 1.3 23.4
2005 08 08 12 23.57 -03 13.9 38.929 38.302 51.2 1.2 23.4
2005 08 18 12 24.35 -03 19.4 39.050 38.302 41.8 1.0 23.4
2005 08 28 12 25.23 -03 25.6 39.151 38.302 32.4 0.8 23.4
2005 GZ186 a,e,i = 43.83, 0.13, 8 q = 38.183
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2005 04 30 12 40.39 -00 41.1 37.310 38.183 149.7 0.8 22.9
2005 05 10 12 39.74 -00 37.9 37.405 38.183 139.9 1.0 22.9
2005 05 20 12 39.19 -00 35.4 37.523 38.183 130.1 1.2 22.9
2005 05 30 12 38.77 -00 33.8 37.659 38.183 120.5 1.3 23.0
2005 06 09 12 38.49 -00 33.3 37.810 38.183 110.8 1.4 23.0
2005 06 19 12 38.36 -00 33.7 37.971 38.183 101.3 1.5 23.0
2005 06 29 12 38.38 -00 35.1 38.138 38.183 91.8 1.5 23.0
2005 07 09 12 38.56 -00 37.5 38.306 38.183 82.3 1.5 23.0
2005 07 19 12 38.89 -00 40.9 38.470 38.183 72.9 1.5 23.0
2005 07 29 12 39.37 -00 45.2 38.625 38.183 63.5 1.4 23.0
2005 08 08 12 39.99 -00 50.2 38.769 38.183 54.1 1.2 23.0
2005 08 18 12 40.73 -00 56.0 38.895 38.183 44.7 1.1 23.0
2005 08 28 12 41.58 -01 02.3 39.002 38.183 35.4 0.9 23.0
2005 GA187 a,e,i = 43.01, 0.11, 14 q = 38.086
Date TT R. A. (2000) Decl. Delta r Elong. Phase
2005 04 30 13 55.60 -13 19.8 37.089 38.086 171.8 0.2
2005 05 10 13 54.76 -13 15.9 37.125 38.086 161.9 0.5
2005 05 20 13 53.99 -13 12.2 37.189 38.086 152.1 0.7
2005 05 30 13 53.30 -13 08.9 37.279 38.086 142.3 0.9
2005 06 09 13 52.71 -13 06.1 37.392 38.086 132.6 1.1
2005 06 19 13 52.26 -13 04.0 37.524 38.086 122.9 1.3
2005 06 29 13 51.95 -13 02.6 37.672 38.086 113.3 1.4
2005 07 09 13 51.80 -13 02.0 37.832 38.086 103.8 1.5
2005 07 19 13 51.81 -13 02.3 37.998 38.086 94.2 1.5
2005 07 29 13 51.98 -13 03.5 38.166 38.086 84.7 1.5
2005 08 08 13 52.31 -13 05.7 38.332 38.086 75.2 1.5
2005 08 18 13 52.81 -13 08.6 38.490 38.086 65.8 1.4
2005 08 28 13 53.44 -13 12.4 38.637 38.086 56.3 1.3
2005 09 07 13 54.21 -13 16.9 38.769 38.086 46.8 1.1
2005 09 17 13 55.10 -13 22.1 38.881 38.086 37.3 0.9
The assumed perihelic 3:4 Neptune librator 2005 ER318 remains
more than 11 AU from Neptune over a 14 000-year period.
Brian G. Marsden (C) Copyright 2005 MPC M.P.E.C. 2005-H41
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