MPEC 2008-U69 : 2008 UB7
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M.P.E.C. 2008-U69 Issued 2008 Oct. 27, 15:35 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
2008 UB7
Observations:
K08U07B* C2008 10 26.25877 00 58 08.54 +10 07 20.8 20.2 EU069704
K08U07B C2008 10 26.27027 00 57 58.43 +10 06 20.3 19.7 EU069704
K08U07B C2008 10 26.28177 00 57 48.26 +10 05 19.4 20.0 EU069704
K08U07B C2008 10 26.29336 00 57 38.15 +10 04 18.7 20.1 EU069704
K08U07B EC2008 10 26.86799 00 49 06.46 +09 09 53.1 EU069J95
K08U07B EC2008 10 26.87035 00 49 04.20 +09 09 38.7 EU069J95
K08U07B C2008 10 26.87396 00 49 00.58 +09 09 17.7 EU069J95
K08U07B C2008 10 26.87561 00 48 59.04 +09 09 07.1 19.0 R EU069J95
K08U07B C2008 10 26.92986 00 48 03.97 +09 03 46.0 18.9 R EU069473
K08U07B C2008 10 26.93263 00 48 01.20 +09 03 29.1 18.8 R EU069473
K08U07B 5C2008 10 27.13329 00 44 49.58 +08 42 45.6 18.9 R EU069673
K08U07B 5C2008 10 27.13979 00 44 42.80 +08 42 04.4 EU069673
K08U07B 5C2008 10 27.14718 00 44 35.12 +08 41 17.0 EU069673
K08U07B 5C2008 10 27.15405 00 44 27.95 +08 40 32.8 EU069673
K08U07B 5C2008 10 27.16104 00 44 20.68 +08 39 48.0 EU069673
K08U07B 5C2008 10 27.16801 00 44 13.42 +08 39 03.3 EU069673
K08U07B C2008 10 27.23551 00 43 01.08 +08 31 47.5 20.0 R EU069854
K08U07B C2008 10 27.23884 00 42 57.43 +08 31 25.1 19.6 R EU069854
K08U07B C2008 10 27.24049 00 42 55.26 +08 31 10.9 18.8 R EU069H01
K08U07B C2008 10 27.24133 00 42 54.36 +08 31 05.4 18.8 R EU069H01
K08U07B C2008 10 27.24219 00 42 53.41 +08 30 59.6 19.0 R EU069H01
K08U07B C2008 10 27.24291 00 42 52.67 +08 30 54.9 18.9 R EU069H01
K08U07B C2008 10 27.24549 00 42 50.26 +08 30 41.4 19.6 R EU069854
K08U07B tC2008 10 27.34802 00 40 59.44 +08 19 10.5 19.0 V EU069291
K08U07B tC2008 10 27.35185 00 40 55.29 +08 18 45.4 19.4 V EU069291
K08U07B tC2008 10 27.35556 00 40 51.27 +08 18 20.0 18.9 V EU069291
K08U07B C2008 10 27.49350900 38 29.30 +08 04 35.8 18.2 R EU069E10
K08U07B C2008 10 27.49429300 38 28.34 +08 04 30.7 18.0 R EU069E10
K08U07B C2008 10 27.49501800 38 27.51 +08 04 25.6 17.8 R EU069E10
Observer details:
291 LPL/Spacewatch II. Observer T. H. Bressi. 1.8-m f/2.7 reflector + CCD.
473 Remanzacco. Observers L. Donato, M. Gonano, V. Gonano, E. Guido,
V. Santini, G. Sostero. 0.45-m f/4.4 Newtonian reflector + CCD.
673 Table Mountain Observatory, Wrightwood. Observer J. Young. 0.61-m f/16
Cassegrain + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Bezpalko, D. Torres,
R. Kracke, G. Spitz, J. Kistler. Measurers J. Stuart, S. Scruggs. 1.0-m
f/2.15 reflector + CCD.
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.36-m f/10.0
Schmidt-Cassegrain + CCD.
E10 Siding Spring-Faulkes Telescope South. Observer R. Miles. 2.0-m f/10.0
Ritchey-Chretien + CCD.
H01 Magdalena Ridge Observatory, Socorro. Observer W. H. Ryan. 2.4-m f/8.9
reflector + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2008 UB7 Earth MOID = 0.0009 AU
Epoch 2008 Nov. 30.0 TT = JDT 2454800.5 MPC
M 340.78255 (2000.0) P Q
n 0.72056938 Peri. 287.49212 -0.84015731 -0.54187957
a 1.2322122 Node 219.70426 +0.50995097 -0.77523704
e 0.5914715 Incl. 2.01038 +0.18462314 -0.32461370
P 1.37 H 23.8 G 0.15 U 8
Residuals in seconds of arc
081026 704 0.3- 0.6+ 081027 673 0.6+ 0.4+ 081027 H01 0.3- 0.1-
081026 704 0.2- 0.2+ 081027 673 0.0 0.6+ 081027 H01 0.1+ 0.1-
081026 704 0.7- 0.3- 081027 673 0.0 0.4+ 081027 854 0.8- 0.2+
081026 704 1.1+ 0.2+ 081027 673 0.2- 0.2+ 081027 291 0.3- 0.6-
081026 J95 0.2- 0.1- 081027 673 0.3+ 0.3+ 081027 291 0.1- 0.6+
081026 J95 0.5+ 0.4- 081027 673 0.9+ 0.5+ 081027 291 0.1+ 0.6+
081026 J95 0.7- 0.3+ 081027 854 0.9+ 0.3+ 081027 E10 1.0+ 1.0-
081026 J95 0.5+ 0.3- 081027 854 0.3- 0.1- 081027 E10 0.1- 0.6-
081026 473 0.5- 0.4- 081027 H01 0.1+ 0.1- 081027 E10 0.3- 0.7-
081026 473 0.6- 0.3- 081027 H01 0.1+ 0.0
Ephemeris:
2008 UB7 a,e,i = 1.23, 0.59, 2 q = 0.5034
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2008 10 21 01 45.58 +14 40.5 0.130 1.125 176.0 3.5 20.0
2008 10 22 01 39.45 +14 08.0 0.120 1.115 176.4 3.2 19.8
2008 10 23 01 32.29 +13 28.8 0.111 1.105 175.0 4.5 19.6
2008 10 24 01 23.85 +12 41.3 0.101 1.095 172.4 6.9 19.5
2008 10 25 01 13.80 +11 42.8 0.0922 1.085 169.0 10.0 19.4
2008 10 26 01 01.70 +10 29.9 0.0833 1.075 165.0 13.9 19.4
2008 10 27 00 46.96 +08 57.8 0.0748 1.065 160.2 18.5 19.3
2008 10 28 00 28.80 +07 00.1 0.0668 1.054 154.3 24.1 19.2
2008 10 29 00 06.21 +04 28.5 0.0594 1.044 147.2 31.0 19.1
2008 10 30 23 37.95 +01 13.8 0.0529 1.033 138.5 39.6 19.1
2008 10 31 23 02.84 -02 50.0 0.0476 1.023 127.9 50.0 19.1
2008 11 01 22 20.31 -07 37.2 0.0440 1.012 115.3 62.5 19.3
2008 11 02 21 31.49 -12 40.0 0.0425 1.001 101.3 76.3 19.6
2008 11 03 20 39.86 -17 12.8 0.0432 0.991 87.0 90.5 20.2
2008 11 04 19 50.30 -20 38.8 0.0461 0.980 73.8 103.6 20.9
2008 11 05 19 06.60 -22 50.9 0.0508 0.969 62.5 114.8 21.7
2008 11 06 18 30.26 -24 04.5 0.0568 0.958 53.1 124.2 22.7
2008 11 07 18 00.89 -24 39.8 0.0638 0.947 45.4 131.9 23.6
2008 11 08 17 37.33 -24 52.3 0.0716 0.936 39.1 138.2 24.6
2008 11 09 17 18.36 -24 52.2 0.0798 0.925 33.8 143.5 25.5
2008 11 10 17 02.92 -24 45.4 0.0885 0.914 29.3 148.0 26.4
Timothy B. Spahr (C) Copyright 2008 MPC M.P.E.C. 2008-U69
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