MPEC 2008-U60 : 2008 US4
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M.P.E.C. 2008-U60 Issued 2008 Oct. 26, 21:37 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 US4
Observations:
K08U04S C2008 10 06.38462 02 16 51.02 +01 29 31.4 19.9 V EU060G96
K08U04S C2008 10 06.39403 02 16 50.80 +01 29 40.3 19.9 V EU060G96
K08U04S C2008 10 06.40346 02 16 50.59 +01 29 49.3 19.9 V EU060G96
K08U04S C2008 10 06.41288 02 16 50.37 +01 29 58.4 19.9 V EU060G96
K08U04S* C2008 10 26.25196 01 54 28.20 +14 11 16.9 17.4 EU060704
K08U04S C2008 10 26.26355 01 54 26.09 +14 12 13.5 17.7 EU060704
K08U04S C2008 10 26.27506 01 54 23.99 +14 13 09.8 17.5 EU060704
K08U04S C2008 10 26.28656 01 54 21.91 +14 14 06.0 17.4 EU060704
K08U04S C2008 10 26.29816 01 54 19.81 +14 15 04.2 18.3 EU060704
K08U04S C2008 10 26.85377 01 52 48.04 +15 01 18.7 EU060J95
K08U04S C2008 10 26.85532 01 52 47.75 +15 01 26.7 EU060J95
K08U04S C2008 10 26.85701 01 52 47.45 +15 01 35.5 17.0 R EU060J95
K08U04S C2008 10 26.86750701 52 44.94 +15 02 34.5 17.4 V EU060B03
K08U04S C2008 10 26.86993 01 52 46.10 +15 03 00.0 16.9 C EU060J47
K08U04S C2008 10 26.87142601 52 44.19 +15 02 54.9 17.3 V EU060B03
K08U04S C2008 10 26.87150 01 52 45.83 +15 03 08.1 16.9 C EU060J47
K08U04S C2008 10 26.87287 01 52 45.61 +15 03 15.4 16.9 C EU060J47
K08U04S C2008 10 26.87473 01 52 44.33 +15 03 16.1 16.7 R EU060213
K08U04S C2008 10 26.87483 01 52 45.20 +15 03 25.4 17.0 C EU060J47
K08U04S C2008 10 26.87534601 52 43.47 +15 03 15.4 17.1 V EU060B03
K08U04S C2008 10 26.87561 01 52 45.06 +15 03 29.7 16.9 C EU060J47
K08U04S C2008 10 26.87738 01 52 44.74 +15 03 38.8 16.8 C EU060J47
K08U04S C2008 10 26.87812 01 52 43.72 +15 03 33.8 16.8 R EU060B49
K08U04S C2008 10 26.87993 01 52 44.26 +15 03 52.0 17.1 C EU060J47
K08U04S C2008 10 26.87995 01 52 43.37 +15 03 43.5 16.4 R EU060B49
K08U04S C2008 10 26.88028 01 52 43.22 +15 03 44.6 17.1 R EU060213
K08U04S C2008 10 26.88094 01 52 43.19 +15 03 48.7 16.6 R EU060B49
K08U04S C2008 10 26.88096 01 52 43.13 +15 03 48.5 17.1 R EU060213
K08U04S C2008 10 26.88424 01 52 42.58 +15 04 06.1 16.1 R EU060B49
K08U04S C2008 10 26.88670 01 52 42.13 +15 04 18.8 16.7 R EU060B49
K08U04S C2008 10 26.89079 01 52 41.31 +15 04 40.9 16.3 R EU060B49
Observer details:
213 Observatorio Montcabre. Observer R. Naves. Measurer M. Campas. 0.30-m
f/5 Schmidt-Cassegrain.
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.
B03 Alter Satzberg, Vienna. Observer M. Pietschnig. 0.35-m f/5.8
Schmidt-Cassegrain + CCD.
B49 Paus Observatory, Sabadell. Observer J. Camarasa. 0.25-m f/4 Newtonian
reflector + CCD.
G96 Mt. Lemmon Survey. Observer R. A. Kowalski. Measurers E. C. Beshore,
A. Boattini, G. J. Garradd, A. R. Gibbs, A. D. Grauer, R. E. Hill,
R. A. Kowalski, S. M. Larson, R. H. McNaught. 1.5-m reflector + CCD.
J47 Observatorio Nazaret. Observer G. Muler. 0.30-m Schmidt-Cassegrain + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2008 US4 Earth MOID = 0.0766 AU
Epoch 2008 Nov. 30.0 TT = JDT 2454800.5 MPC
M 354.19644 (2000.0) P Q
n 0.27947055 Peri. 72.60840 -0.23005048 -0.96590764
a 2.3169252 Node 31.46183 +0.78401480 -0.25623298
e 0.6313325 Incl. 13.15003 +0.57653930 -0.03697418
P 3.53 H 20.5 G 0.15 U 8
Residuals in seconds of arc
081006 G96 0.0 0.1+ 081026 J95 0.0 0.2- 081026 B49 0.6+ 0.1-
081006 G96 0.0 0.0 081026 B03 0.2- 0.1+ 081026 J47 0.4- 0.1-
081006 G96 0.0 0.1- 081026 J47 0.9- 0.3+ 081026 B49 0.5+ 0.0
081006 G96 0.1- 0.1- 081026 B03 0.3- 0.1+ 081026 213 0.6- 0.6-
081026 704 0.0 0.3- 081026 J47 0.6- 0.2+ 081026 B49 0.6+ 0.1+
081026 704 0.0 0.3- 081026 J47 0.1- 0.3+ 081026 213 0.0 0.3-
081026 704 0.0 0.2- 081026 213 0.3+ 0.2- 081026 B49 0.9+ 0.3+
081026 704 0.4+ 0.1- 081026 J47 0.7- 0.1+ 081026 B49 1.1+ 0.1+
081026 704 0.7+ 1.5+ 081026 B03 0.0 0.2+ 081026 B49 0.5+ 0.9+
081026 J95 0.1- 0.1- 081026 J47 0.6- 0.3+
081026 J95 0.1- 0.2- 081026 J47 0.4- 0.1+
Ephemeris:
2008 US4 a,e,i = 2.32, 0.63, 13 q = 0.8542
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2008 10 21 02 05.39 +08 35.9 0.209 1.204 174.2 4.8 17.9
2008 10 26 01 55.14 +13 51.3 0.166 1.160 177.7 1.9 17.2
2008 10 31 01 37.19 +22 26.2 0.127 1.117 166.5 11.9 17.0
2008 11 05 01 00.82 +36 48.6 0.0962 1.075 149.3 28.1 16.8
2008 11 10 23 22.17 +57 20.2 0.0794 1.036 123.0 53.3 17.0
2008 11 15 19 09.72 +65 06.2 0.0836 0.998 94.0 81.2 17.9
2008 11 20 16 42.17 +53 04.6 0.106 0.964 73.9 100.1 19.2
2008 11 25 15 53.61 +42 20.9 0.136 0.933 63.1 109.4 20.2
2008 11 30 15 32.02 +34 54.6 0.172 0.907 57.9 112.8 20.8
Timothy B. Spahr (C) Copyright 2008 MPC M.P.E.C. 2008-U60
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