MPEC 2009-Y35 : 2009 YS6
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M.P.E.C. 2009-Y35 Issued 2009 Dec. 21, 15:03 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
2009 YS6
Observations:
K09Y06S* C2009 12 17.39267 08 30 33.08 +19 57 20.4 21.5 V EY035G96
K09Y06S C2009 12 17.39952 08 30 32.58 +19 57 20.5 21.0 V EY035G96
K09Y06S C2009 12 17.40646 08 30 32.07 +19 57 20.8 21.1 V EY035G96
K09Y06S C2009 12 17.41351 08 30 31.57 +19 57 21.4 22.3 V EY035G96
K09Y06S C2009 12 17.54363 08 30 22.23 +19 57 29.3 19.7 R EY035H01
K09Y06S C2009 12 17.54788 08 30 21.92 +19 57 29.5 19.5 R EY035H01
K09Y06S C2009 12 17.55203 08 30 21.62 +19 57 29.8 19.4 R EY035H01
K09Y06S C2009 12 18.26425 08 29 30.85 +19 58 15.1 20.2 R EY035H01
K09Y06S C2009 12 18.26999 08 29 30.43 +19 58 15.4 20.2 R EY035H01
K09Y06S C2009 12 18.27745 08 29 29.89 +19 58 15.9 20.4 R EY035H01
K09Y06S C2009 12 18.28763 08 29 29.15 +19 58 16.6 20.0 R EY035H01
K09Y06S C2009 12 18.29778 08 29 28.41 +19 58 17.2 20.1 R EY035H01
K09Y06S C2009 12 19.48024 08 28 01.88 +19 59 33.6 20.3 R EY035H01
K09Y06S C2009 12 19.48745 08 28 01.36 +19 59 33.9 19.9 R EY035H01
K09Y06S C2009 12 19.49277 08 28 00.95 +19 59 34.3 20.4 R EY035H01
K09Y06S C2009 12 19.49406 08 28 00.84 +19 59 34.3 20.8 V EY035G96
K09Y06S C2009 12 19.49521 08 28 00.73 +19 59 34.5 21.2 V EY035G96
K09Y06S C2009 12 19.49635 08 28 00.62 +19 59 34.6 21.0 V EY035G96
K09Y06S C2009 12 19.49752 08 28 00.55 +19 59 34.8 21.1 V EY035G96
K09Y06S C2009 12 19.50164 08 28 00.28 +19 59 34.8 20.4 R EY035H01
K09Y06S C2009 12 20.32133 08 26 59.25 +20 00 28.7 21.1 V EY035291
K09Y06S C2009 12 20.32541 08 26 58.94 +20 00 29.1 21.0 V EY035291
K09Y06S C2009 12 20.32932 08 26 58.65 +20 00 29.0 21.0 V EY035291
K09Y06S C2009 12 20.37283 08 26 55.37 +20 00 32.0 19.8 R EY035H01
K09Y06S C2009 12 20.38695 08 26 54.29 +20 00 32.9 20.0 R EY035H01
K09Y06S C2009 12 20.39531 08 26 53.64 +20 00 33.5 20.4 R EY035H01
K09Y06S C2009 12 20.40779 08 26 52.70 +20 00 34.3 20.2 R EY035H01
K09Y06S KC2009 12 21.34839 08 25 41.25 +20 01 36.4 20.6 R EY035H36
K09Y06S KC2009 12 21.41424 08 25 36.02 +20 01 40.6 21.0 R EY035H36
K09Y06S KC2009 12 21.42521 08 25 35.28 +20 01 41.2 21.1 R EY035H36
K09Y06S C2009 12 21.53122 08 25 27.06 +20 01 48.5 20.2 R EY035H01
K09Y06S C2009 12 21.53779 08 25 26.55 +20 01 48.7 20.4 R EY035H01
K09Y06S C2009 12 21.54330 08 25 26.08 +20 01 49.2 20.5 R EY035H01
K09Y06S C2009 12 21.55008 08 25 25.60 +20 01 49.7 20.4 R EY035H01
Observer details:
291 LPL/Spacewatch II. Observer T. H. Bressi. 1.8-m f/2.7 reflector + CCD.
G96 Mt. Lemmon Survey. Observers S. M. Larson, A. R. Gibbs. 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.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 reflector + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
Orbital elements:
2009 YS6 Earth MOID = 0.4061 AU
Epoch 2009 Dec. 15.0 TT = JDT 2455180.5 MPC
M 324.92016 (2000.0) P Q
n 0.08085230 Peri. 309.21682 +0.83999334 -0.12433374
a 5.2967295 Node 295.77020 -0.09133677 -0.99190288
e 0.7605608 Incl. 144.09178 -0.53485399 -0.02588053
P 12.2 H 14.3 G 0.15
From 34 observations 2009 Dec. 17-21. E-assumed.
Ephemeris:
2009 YS6 a,e,i = 5.30, 0.76, 144 q = 1.2682
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 12 15 08 33.31 +19 54.9 3.661 4.435 137.3 8.7 20.9
2009 12 25 08 20.86 +20 05.7 3.486 4.368 150.4 6.4 20.7
2010 01 04 08 06.16 +20 16.7 3.347 4.301 164.0 3.6 20.4
2010 01 14 07 49.74 +20 25.0 3.250 4.233 177.9 0.5 20.1
2010 01 24 07 32.45 +20 28.0 3.196 4.164 167.8 2.9 20.2
2010 02 03 07 15.31 +20 24.3 3.187 4.094 153.7 6.1 20.4
2010 02 13 06 59.31 +20 13.9 3.218 4.023 139.8 9.1 20.5
2010 02 23 06 45.27 +19 58.0 3.283 3.952 126.5 11.6 20.6
2010 03 05 06 33.64 +19 38.5 3.373 3.880 113.7 13.5 20.7
2010 03 15 06 24.59 +19 17.1 3.479 3.807 101.6 14.8 20.7
2010 03 25 06 18.08 +18 55.1 3.594 3.733 90.2 15.5 20.8
2010 04 04 06 13.89 +18 32.9 3.708 3.658 79.4 15.6 20.8
2010 04 14 06 11.76 +18 10.9 3.816 3.582 69.1 15.2 20.8
Timothy B. Spahr (C) Copyright 2009 MPC M.P.E.C. 2009-Y35
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