MPEC 2006-L50 : 2006 HF123, 2006 HG123, 2006 HH123, 2006 HJ123
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M.P.E.C. 2006-L50 Issued 2006 June 11, 19:00 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
2006 HF123, 2006 HG123, 2006 HH123, 2006 HJ123
Observations:
K06HC3F* C2006 04 25.98536 08 36 56.83 +18 36 33.0 22.0 R EL050807
K06HC3F C2006 04 26.98379 08 36 57.93 +18 36 24.5 EL050807
K06HC3F C2006 04 27.98663 08 36 59.08 +18 36 15.1 EL050807
K06HC3G* C2006 04 26.09603 14 00 33.53 -09 59 21.0 22.5 R EL050807
K06HC3G C2006 04 26.17946 14 00 33.10 -09 59 18.5 EL050807
K06HC3G C2006 04 27.15246 14 00 28.10 -09 58 44.0 EL050807
K06HC3G C2006 04 27.20233 14 00 27.84 -09 58 42.1 EL050807
K06HC3H* C2006 04 26.25800 15 56 36.37 -20 09 30.1 19.6 R EL050807
K06HC3H C2006 04 26.41528 15 56 35.32 -20 09 23.6 EL050807
K06HC3H C2006 04 27.30709 15 56 30.04 -20 08 50.9 EL050807
K06HC3J* C2006 04 27.24731 14 48 28.74 -15 48 37.2 20.2 R EL050807
K06HC3J C2006 04 27.32494 14 48 28.36 -15 48 35.2 EL050807
K06HC3J C2006 04 28.16975 14 48 23.97 -15 48 13.0 EL050807
Observer details:
807 Cerro Tololo. Observers M. W. Buie, R. L. Millis, S. D. Kern. 4-m
f/2.9 reflector + CCD.
Orbital elements:
Object H G Epoch M Peri. Node Incl. e a Arc C
K06HC3F 7.1 0.15 K064F 359.952 179.795 308.821 12.787 0.11949 36.56388 2EX
K06HC3G 7.3 0.15 K064F 359.957 4.935 207.180 25.119 0.07799 39.68087 1EX
K06HC3H 5.2 0.15 K064F 359.974 0.351 240.145 44.142 0.46374 55.70927 1EX
K06HC3J 4.8 0.15 K064F 65.884 270.560 222.268 10.663 0.22383 39.65193 1EX
Ephemerides:
2006 HF123 a,e,i = 36.56, 0.12, 13 q = 32.195
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2006 06 04 08 39.11 +18 25.4 32.778 32.195 54.2 1.5 22.4
2006 06 14 08 40.10 +18 21.0 32.907 32.195 44.9 1.3 22.4
2006 06 24 08 41.21 +18 16.0 33.016 32.195 35.6 1.1 22.4
2006 HG123 a,e,i = 39.68, 0.08, 25 q = 36.586
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2006 06 04 13 57.61 -09 39.3 35.832 36.586 137.5 1.1 23.0
2006 06 14 13 57.09 -09 35.7 35.955 36.586 127.8 1.3 23.1
2006 06 24 13 56.71 -09 32.8 36.095 36.586 118.2 1.4 23.1
2006 07 04 13 56.48 -09 30.9 36.249 36.586 108.6 1.5 23.1
2006 07 14 13 56.41 -09 29.9 36.413 36.586 99.0 1.6 23.1
2006 07 24 13 56.51 -09 29.9 36.580 36.586 89.5 1.6 23.1
2006 08 03 13 56.78 -09 30.8 36.748 36.586 80.0 1.6 23.1
2006 08 13 13 57.21 -09 32.6 36.911 36.586 70.6 1.5 23.2
2006 08 23 13 57.80 -09 35.2 37.064 36.586 61.1 1.4 23.2
2006 09 02 13 58.54 -09 38.5 37.204 36.586 51.7 1.2 23.1
2006 09 12 13 59.41 -09 42.5 37.326 36.586 42.2 1.1 23.1
2006 09 22 14 00.38 -09 47.0 37.427 36.586 32.7 0.9 23.1
2006 HH123 a,e,i = 55.71, 0.46, 44 q = 29.875
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2006 06 04 15 52.36 -19 44.3 28.886 29.875 167.0 0.4 20.0
2006 06 14 15 51.30 -19 37.9 28.936 29.875 157.2 0.8 20.0
2006 06 24 15 50.34 -19 31.8 29.014 29.875 147.4 1.1 20.0
2006 07 04 15 49.51 -19 26.1 29.116 29.875 137.6 1.3 20.1
2006 07 14 15 48.85 -19 21.0 29.240 29.875 127.9 1.5 20.1
2006 07 24 15 48.37 -19 16.6 29.381 29.875 118.2 1.7 20.1
2006 08 03 15 48.10 -19 12.8 29.536 29.875 108.6 1.8 20.2
2006 08 13 15 48.05 -19 09.7 29.700 29.875 99.0 1.9 20.2
2006 08 23 15 48.23 -19 07.4 29.869 29.876 89.4 1.9 20.2
2006 09 02 15 48.63 -19 05.9 30.037 29.876 79.9 1.9 20.2
2006 09 12 15 49.25 -19 05.0 30.200 29.876 70.3 1.8 20.2
2006 09 22 15 50.08 -19 04.8 30.354 29.876 60.7 1.7 20.2
2006 10 02 15 51.09 -19 05.2 30.494 29.877 51.2 1.5 20.2
2006 10 12 15 52.28 -19 06.0 30.616 29.877 41.6 1.3 20.2
2006 10 22 15 53.62 -19 07.3 30.717 29.877 32.0 1.0 20.2
2006 HJ123 a,e,i = 39.65, 0.22, 11 q = 30.777
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2006 06 04 14 45.33 -15 32.7 37.020 37.906 150.5 0.8 20.7
2006 06 14 14 44.65 -15 29.1 37.120 37.912 140.7 1.0 20.7
2006 06 24 14 44.08 -15 26.1 37.243 37.918 131.1 1.2 20.7
2006 07 04 14 43.64 -15 23.8 37.385 37.925 121.4 1.3 20.7
2006 07 14 14 43.36 -15 22.1 37.542 37.931 111.8 1.4 20.8
2006 07 24 14 43.24 -15 21.2 37.709 37.937 102.2 1.5 20.8
2006 08 03 14 43.29 -15 21.0 37.883 37.944 92.7 1.5 20.8
2006 08 13 14 43.50 -15 21.6 38.057 37.950 83.1 1.5 20.8
2006 08 23 14 43.89 -15 23.0 38.229 37.956 73.6 1.5 20.8
2006 09 02 14 44.43 -15 25.1 38.392 37.962 64.1 1.4 20.8
2006 09 12 14 45.13 -15 27.9 38.543 37.969 54.6 1.2 20.8
2006 09 22 14 45.96 -15 31.3 38.678 37.975 45.0 1.1 20.8
2006 10 02 14 46.90 -15 35.2 38.792 37.981 35.5 0.9 20.8
The assumed 3:4, 2:3, 2:5 and 2:3, respectively, Neptunian librators
(perihelic except for the last object) remain more than 10, 12, 8 and 19 AU,
respectively, from Neptune over a 14 000-year period.
Brian G. Marsden (C) Copyright 2006 MPC M.P.E.C. 2006-L50
Read MPEC 2006-L49
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