MPEC 2008-Y81 : 2008 YE30
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M.P.E.C. 2008-Y81 Issued 2008 Dec. 31, 15:08 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 YE30
Observations:
K08Y30E C2008 12 22.41881 08 54 26.16 +18 03 18.3 21.3 V EY081691
K08Y30E C2008 12 22.43695 08 54 26.76 +18 02 54.7 21.2 V EY081691
K08Y30E C2008 12 22.45533 08 54 27.40 +18 02 30.6 21.4 V EY081691
K08Y30E* C2008 12 30.46864 08 59 01.33 +14 26 24.6 20.9 V EY081691
K08Y30E C2008 12 30.48676 08 59 01.72 +14 25 48.1 20.8 V EY081691
K08Y30E C2008 12 30.50488 08 59 02.09 +14 25 11.5 20.8 V EY081691
K08Y30E C2008 12 30.54080 08 59 02.92 +14 23 57.7 21.0 V EY081291
K08Y30E C2008 12 30.54465 08 59 03.03 +14 23 49.4 21.1 V EY081291
K08Y30E C2008 12 30.54951 08 59 03.11 +14 23 39.4 20.9 V EY081291
K08Y30E C2008 12 31.30996 08 59 26.00 +13 57 19.5 20.9 V EY081291
K08Y30E C2008 12 31.31386 08 59 26.06 +13 57 11.7 20.8 V EY081291
K08Y30E C2008 12 31.31779 08 59 26.16 +13 57 03.0 20.9 V EY081291
K08Y30E C2008 12 31.47733 08 59 29.35 +13 51 21.7 21.1 V EY081291
K08Y30E C2008 12 31.48115 08 59 29.40 +13 51 13.4 21.0 V EY081291
K08Y30E C2008 12 31.48495 08 59 29.46 +13 51 05.1 20.8 V EY081291
Observer details:
291 LPL/Spacewatch II. Observer R. S. McMillan. 1.8-m f/2.7 reflector + CCD.
691 Steward Observatory, Kitt Peak. Observers T. H. Bressi, R. S. McMillan.
0.9-m f/3 reflector + CCD.
Orbital elements:
2008 YE30 PHA, Earth MOID = 0.0496 AU
Epoch 2008 Nov. 30.0 TT = JDT 2454800.5 MPC
M 331.92011 (2000.0) P Q
n 0.26696963 Peri. 288.40141 -0.79777006 +0.55490309
a 2.3886993 Node 285.94389 -0.41771880 -0.79075814
e 0.7352820 Incl. 14.20137 -0.43482634 -0.25842623
P 3.69 H 20.9 G 0.15 U 7
Residuals in seconds of arc
081222 691 0.0 0.1+ 081230 691 0.2- 0.5+ 081231 291 0.4- 0.3+
081222 691 0.2- 0.0 081230 291 0.0 0.1+ 081231 291 0.1- 0.1-
081222 691 0.1+ 0.2- 081230 291 0.2+ 0.3- 081231 291 0.5+ 0.0
081230 691 0.2+ 0.2- 081230 291 0.3- 0.3- 081231 291 0.1+ 0.0
081230 691 0.2+ 0.2+ 081231 291 0.1- 0.1- 081231 291 0.2- 0.1-
Ephemeris:
2008 YE30 a,e,i = 2.39, 0.74, 14 q = 0.6323
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2008 12 30 08 58.80 +14 42.1 0.433 1.363 145.6 24.1 20.9
2009 01 01 08 59.73 +13 32.4 0.403 1.340 147.0 23.6 20.7
2009 01 03 09 00.56 +12 13.1 0.374 1.316 148.3 23.1 20.5
2009 01 05 09 01.29 +10 41.8 0.345 1.293 149.5 22.7 20.2
2009 01 07 09 01.92 +08 55.9 0.317 1.269 150.5 22.4 20.0
2009 01 09 09 02.44 +06 51.6 0.290 1.245 151.2 22.4 19.8
2009 01 11 09 02.86 +04 24.0 0.263 1.221 151.5 22.6 19.5
2009 01 13 09 03.16 +01 26.6 0.238 1.197 151.2 23.3 19.3
2009 01 15 09 03.33 -02 09.5 0.213 1.173 150.1 24.7 19.0
2009 01 17 09 03.35 -06 36.4 0.190 1.149 148.0 27.0 18.8
2009 01 19 09 03.20 -12 10.1 0.168 1.125 144.4 30.6 18.6
2009 01 21 09 02.83 -19 10.7 0.149 1.101 139.0 35.9 18.4
2009 01 23 09 02.17 -27 59.5 0.133 1.077 131.5 43.2 18.3
2009 01 25 09 01.04 -38 49.9 0.120 1.053 121.7 52.7 18.4
2009 01 27 08 59.05 -51 29.3 0.113 1.029 109.8 64.2 18.5
2009 01 29 08 55.04 -65 03.3 0.112 1.005 96.9 76.7 18.8
2009 01 31 08 43.21 -78 09.3 0.117 0.981 84.4 88.8 19.3
2009 02 02 03 50.04 -88 51.2 0.127 0.957 73.4 99.3 19.9
2009 02 04 21 31.80 -80 34.5 0.141 0.933 64.3 107.8 20.5
2009 02 06 21 19.25 -72 53.0 0.158 0.910 57.2 114.4 21.1
2009 02 08 21 15.12 -66 41.7 0.178 0.887 51.7 119.3 21.7
Timothy B. Spahr (C) Copyright 2008 MPC M.P.E.C. 2008-Y81
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