MPEC 2009-U18 : 2009 UK
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M.P.E.C. 2009-U18 Issued 2009 Oct. 17, 12:32 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 UK
Observations:
K09U00K* C2009 10 16.28264 01 29 36.70 +03 01 07.6 20.2 V EU018G96
K09U00K C2009 10 16.29228 01 29 35.95 +03 00 58.8 20.4 V EU018G96
K09U00K C2009 10 16.30168 01 29 35.19 +03 00 50.7 20.4 V EU018G96
K09U00K C2009 10 16.31090 01 29 34.47 +03 00 42.6 19.9 V EU018G96
K09U00K C2009 10 16.36250 01 29 30.30 +02 59 57.6 19.8 V EU018G96
K09U00K C2009 10 16.37050 01 29 29.68 +02 59 50.3 19.7 V EU018G96
K09U00K C2009 10 16.37862 01 29 29.04 +02 59 43.1 19.9 V EU018G96
K09U00K C2009 10 16.38677 01 29 28.35 +02 59 36.3 19.9 V EU018G96
K09U00K C2009 10 16.42977 01 29 24.94 +02 58 58.3 19.6 R EU018H01
K09U00K C2009 10 16.43391 01 29 24.62 +02 58 54.6 19.8 R EU018H01
K09U00K C2009 10 16.43779 01 29 24.32 +02 58 51.2 19.8 R EU018H01
K09U00K C2009 10 17.19687 01 28 27.97 +02 47 42.9 19.4 R EU018H01
K09U00K C2009 10 17.20125 01 28 27.61 +02 47 39.1 19.4 R EU018H01
K09U00K C2009 10 17.20788 01 28 27.08 +02 47 33.2 19.7 R EU018H01
K09U00K C2009 10 17.23982 01 28 23.86 +02 47 21.5 19.5 R EU018I19
K09U00K C2009 10 17.24976 01 28 23.08 +02 47 12.8 19.6 R EU018I19
K09U00K C2009 10 17.25756 01 28 22.32 +02 47 05.8 19.7 R EU018I19
K09U00K C2009 10 17.26861 01 28 22.18 +02 46 39.4 19.7 V EU018G96
K09U00K C2009 10 17.26954 01 28 22.12 +02 46 39.3 19.5 R EU018854
K09U00K C2009 10 17.27530 01 28 21.60 +02 46 34.4 19.8 R EU018854
K09U00K C2009 10 17.27565 01 28 21.61 +02 46 32.9 19.5 V EU018G96
K09U00K C2009 10 17.28107 01 28 21.06 +02 46 28.4 19.8 R EU018854
K09U00K C2009 10 17.28271 01 28 21.03 +02 46 26.8 19.7 V EU018G96
K09U00K C2009 10 17.28980 01 28 20.46 +02 46 20.6 19.8 V EU018G96
K09U00K C2009 10 17.38575 01 28 12.54 +02 44 56.1 19.8 R EU018926
K09U00K C2009 10 17.38892 01 28 12.28 +02 44 53.3 19.9 R EU018926
K09U00K C2009 10 17.39209 01 28 12.02 +02 44 50.5 19.7 R EU018926
K09U00K C2009 10 17.44647 01 28 07.66 +02 44 01.5 20.5 V EU018291
K09U00K C2009 10 17.45092 01 28 07.29 +02 43 57.9 20.8 V EU018291
K09U00K C2009 10 17.45749 01 28 06.76 +02 43 52.3 20.7 V EU018291
Observer details:
291 LPL/Spacewatch II. Observer J. V. Scotti. 1.8-m f/2.7 reflector + CCD.
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.36-m f/10.0
Schmidt-Cassegrain + CCD.
926 Tenagra II Observatory. Observers P. R. Holvorcem, M. Schwartz. Measurer
P. R. Holvorcem. 0.81-m f/7 Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey. Observers R. E. Hill, R. Hill. 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. Observer W. H. Ryan. 2.4-m f/8.9
reflector + CCD.
I19 Tanti. Observer C. Colazo. 0.28-m f/10 Schmidt-Cassegrain + CCD + f/3.3
focal reducer.
Orbital elements:
2009 UK PHA, Earth MOID = 0.0412 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC
M 351.78784 (2000.0) P Q
n 0.31495784 Peri. 310.37228 -0.42373008 -0.90564482
a 2.1394449 Node 164.67428 +0.84844671 -0.40307907
e 0.5346291 Incl. 3.49950 +0.31716085 -0.13166141
P 3.13 H 19.9 G 0.15 U 9
Residuals in seconds of arc
091016 G96 0.3- 0.2+ 091016 H01 0.1+ 0.2+ 091017 G96 0.3+ 0.6-
091016 G96 0.1+ 0.1- 091017 H01 0.1+ 0.1+ 091017 854 1.3- 0.3-
091016 G96 0.0 0.0 091017 H01 0.0 0.1+ 091017 G96 0.3+ 0.5-
091016 G96 0.3+ 0.1- 091017 H01 0.1+ 0.1+ 091017 G96 0.5+ 0.4-
091016 G96 0.2- 0.1+ 091017 I19 0.5+ 0.1- 091017 926 0.2- 0.1+
091016 G96 0.1+ 0.2- 091017 I19 0.9+ 0.0 091017 926 0.2- 0.1+
091016 G96 0.2+ 0.3- 091017 I19 1.0- 0.1- 091017 926 0.3- 0.2+
091016 G96 0.4- 0.1+ 091017 G96 0.2+ 0.3- 091017 291 0.2+ 0.3-
091016 H01 0.0 0.2+ 091017 854 0.4+ 0.3+ 091017 291 0.0 0.1+
091016 H01 0.0 0.1+ 091017 854 0.3- 0.5+ 091017 291 0.1- 0.3+
Ephemeris:
2009 UK a,e,i = 2.14, 0.53, 3 q = 0.9956
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 10 16 01 29.96 +03 05.4 0.571 1.566 174.1 3.8 20.0
2009 10 26 01 16.31 +00 32.2 0.511 1.492 163.7 10.8 20.0
2009 11 05 01 01.73 -02 02.3 0.470 1.418 149.9 20.5 20.0
2009 11 15 00 48.93 -04 14.6 0.443 1.345 136.3 30.6 20.1
2009 11 25 00 40.46 -05 45.4 0.426 1.274 123.8 40.1 20.2
2009 12 05 00 37.86 -06 27.5 0.412 1.207 112.9 48.7 20.2
2009 12 15 00 41.54 -06 21.9 0.397 1.146 103.8 56.5 20.2
2009 12 25 00 51.52 -05 31.9 0.377 1.092 96.4 63.6 20.2
2010 01 04 01 07.61 -04 01.5 0.351 1.048 90.6 69.8 20.2
2010 01 14 01 30.02 -01 50.6 0.319 1.016 86.6 75.1 20.1
2010 01 24 02 00.09 +01 07.0 0.282 0.999 84.7 79.0 19.9
2010 02 03 02 40.62 +05 02.3 0.245 0.997 85.5 80.3 19.6
2010 02 13 03 36.69 +10 05.5 0.213 1.011 90.3 77.6 19.3
2010 02 23 04 53.75 +15 44.5 0.193 1.040 99.8 69.7 18.9
2010 03 05 06 26.99 +19 52.8 0.197 1.081 112.2 58.1 18.6
2010 03 15 07 55.19 +20 43.5 0.228 1.133 122.6 47.6 18.8
2010 03 25 09 02.76 +19 11.7 0.283 1.193 128.4 40.9 19.1
2010 04 04 09 50.90 +16 50.7 0.356 1.259 130.1 37.4 19.7
2010 04 14 10 26.08 +14 23.4 0.446 1.329 129.1 35.9 20.2
2010 04 24 10 53.52 +12 00.7 0.548 1.402 126.4 35.3 20.8
2010 05 04 11 16.34 +09 44.4 0.663 1.476 122.7 35.1 21.3
2010 05 14 11 36.36 +07 33.8 0.788 1.550 118.5 34.9 21.8
Timothy B. Spahr (C) Copyright 2009 MPC M.P.E.C. 2009-U18
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