MPEC 2008-W57 : 2008 WH60
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M.P.E.C. 2008-W57 Issued 2008 Nov. 24, 15:41 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 WH60
Observations:
K08W60H* C2008 11 23.28939 01 26 07.01 +38 32 21.2 19.1 EW057704
K08W60H C2008 11 23.31297 01 26 12.50 +38 30 54.3 19.8 EW057704
K08W60H C2008 11 23.32475 01 26 15.06 +38 30 10.6 19.3 EW057704
K08W60H C2008 11 24.17145 01 29 41.78 +37 39 34.4 19.1 V EW057G96
K08W60H C2008 11 24.18699 01 29 45.20 +37 38 38.4 19.2 V EW057G96
K08W60H C2008 11 24.19473 01 29 46.93 +37 38 10.5 19.2 V EW057G96
K08W60H C2008 11 24.22284 01 29 53.12 +37 36 29.4 18.7 R EW057651
K08W60H C2008 11 24.22616 01 29 53.83 +37 36 17.2 18.7 R EW057651
K08W60H C2008 11 24.22726 01 29 54.05 +37 36 13.7 18.8 R EW057651
K08W60H C2008 11 24.23430 01 29 55.49 +37 35 45.8 18.3 R EW057H01
K08W60H C2008 11 24.23909 01 29 56.56 +37 35 28.2 18.4 R EW057H01
K08W60H C2008 11 24.24227 01 29 57.27 +37 35 16.6 18.4 R EW057H01
K08W60H C2008 11 24.24622 01 29 58.16 +37 35 02.1 18.4 R EW057H01
Observer details:
651 Grasslands Observatory, Tucson. Observer J. E. McGaha. 0.62-m f/5.1
Newtonian reflector + 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.
G96 Mt. Lemmon Survey. Observer R. A. Kowalski. Measurers E. C. Beshore,
A. Boattini, A. R. Gibbs, A. D. Grauer, R. E. Hill, R. A. Kowalski,
S. M. Larson. 1.5-m reflector + CCD.
H01 Magdalena Ridge Observatory, Socorro. Observer W. H. Ryan. 2.4-m f/8.9
reflector + CCD.
Orbital elements:
2008 WH60 Earth MOID = 0.1940 AU
Epoch 2008 Nov. 10.0 TT = JDT 2454780.5 MPC
M 5.34325 (2000.0) P Q
n 0.52084015 Peri. 137.62313 +0.79514657 -0.56478966
a 1.5299119 Node 258.06945 +0.47808458 +0.80784240
e 0.2511515 Incl. 13.04283 +0.37306443 +0.16853274
P 1.89 H 20.7 G 0.15
From 13 observations 2008 Nov. 23-24.
Ephemeris:
2008 WH60 a,e,i = 1.53, 0.25, 13 q = 1.1457
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2008 11 20 01 12.60 +41 45.9 0.207 1.157 141.4 32.2 19.0
2008 11 25 01 32.98 +36 49.7 0.211 1.163 143.6 30.2 19.0
2008 11 30 01 52.03 +31 49.2 0.218 1.171 144.6 29.2 19.0
2008 12 05 02 09.72 +27 01.4 0.230 1.180 144.2 29.3 19.1
2008 12 10 02 26.09 +22 39.5 0.246 1.190 142.7 30.1 19.3
2008 12 15 02 41.26 +18 50.9 0.265 1.200 140.4 31.5 19.6
2008 12 20 02 55.38 +15 38.2 0.288 1.212 137.6 33.1 19.8
2008 12 25 03 08.65 +13 00.7 0.314 1.225 134.7 34.8 20.1
2008 12 30 03 21.25 +10 55.4 0.343 1.239 131.8 36.3 20.3
2009 01 04 03 33.35 +09 18.2 0.375 1.253 129.0 37.6 20.6
2009 01 09 03 45.06 +08 04.8 0.408 1.269 126.3 38.7 20.8
2009 01 14 03 56.48 +07 11.0 0.444 1.284 123.7 39.6 21.1
2009 01 19 04 07.67 +06 33.4 0.482 1.301 121.2 40.3 21.3
2009 01 24 04 18.71 +06 08.8 0.522 1.317 118.8 40.9 21.5
2009 01 29 04 29.68 +05 54.6 0.563 1.334 116.4 41.4 21.7
Brian G. Marsden (C) Copyright 2008 MPC M.P.E.C. 2008-W57
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