MPEC 2009-U106: 2009 UL28
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M.P.E.C. 2009-U106 Issued 2009 Oct. 27, 01:09 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 UL28
Observations:
K09U28L* C2009 10 26.19923 02 39 12.55 +10 26 05.1 20.0 V EU106691
K09U28L C2009 10 26.21643 02 39 21.57 +10 25 45.0 20.1 V EU106691
K09U28L C2009 10 26.23361 02 39 30.68 +10 25 24.4 20.6 V EU106691
K09U28L tC2009 10 26.34162 02 40 26.31 +10 23 10.4 20.0 V EU106291
K09U28L tC2009 10 26.34552 02 40 28.39 +10 23 06.2 18.9 V EU106291
K09U28L tC2009 10 26.34945 02 40 30.44 +10 23 01.6 19.9 V EU106291
K09U28L C2009 10 26.35050 02 40 30.84 +10 22 58.5 19.6 R EU106854
K09U28L C2009 10 26.35850 02 40 35.01 +10 22 48.8 19.8 R EU106854
K09U28L C2009 10 26.36650 02 40 39.29 +10 22 35.2 19.6 R EU106854
K09U28L C2009 10 26.38530 02 40 48.72 +10 22 09.3 19.5 R EU106H01
K09U28L C2009 10 26.38954 02 40 50.94 +10 22 03.7 19.8 R EU106H01
K09U28L C2009 10 26.39355 02 40 53.06 +10 21 58.6 19.5 R EU106H01
K09U28L C2009 10 26.39839 02 40 55.65 +10 21 52.0 19.6 R EU106H01
K09U28L C2009 10 26.40274 02 40 57.94 +10 21 46.1 19.3 R EU106H01
K09U28L C2009 10 26.97440 02 46 37.43 +10 08 34.6 19.1 C EU106B33
K09U28L C2009 10 26.97614 02 46 38.41 +10 08 32.1 EU106B33
K09U28L C2009 10 26.98135 02 46 41.37 +10 08 24.8 EU106B33
Observer details:
291 LPL/Spacewatch II. Observer T. H. Bressi. 1.8-m f/2.7 reflector + CCD.
691 Steward Observatory, Kitt Peak. Observer T. H. Bressi. 0.9-m f/3
reflector + CCD.
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.36-m f/10.0
Schmidt-Cassegrain + CCD.
B33 Libbiano Observatory, Peccioli. Observers P. Bacci, F. Biasci. Measurer
P. Bacci. 0.5-m f/8 Ritchey-Chretien + CCD.
H01 Magdalena Ridge Observatory, Socorro. Observer W. H. Ryan. 2.4-m f/8.9
reflector + CCD.
Orbital elements:
2009 UL28 Earth MOID = 0.0221 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC
M 11.84897 (2000.0) P Q
n 0.37776496 Peri. 232.61649 +0.18877170 -0.98177499
a 1.8951995 Node 206.52749 +0.91582680 +0.18408162
e 0.4937167 Incl. 2.82084 +0.35443832 +0.04724222
P 2.61 H 24.9 G 0.15 U 9
Residuals in seconds of arc
091026 691 1.3- 0.2- 091026 854 0.7- 0.1- 091026 H01 0.5+ 0.5+
091026 691 0.5- 0.2- 091026 854 0.6- 0.6+ 091026 H01 0.3+ 0.5+
091026 691 2.3+ 0.4- 091026 854 1.0+ 2.5- 091026 B33 0.1+ 0.2-
091026 291 0.8- 0.4- 091026 H01 0.2+ 0.2+ 091026 B33 0.1- 0.3-
091026 291 0.0 0.4+ 091026 H01 0.0 0.3+ 091026 B33 0.1- 0.2-
091026 291 0.1+ 0.9+ 091026 H01 0.0 0.6+
Ephemeris:
2009 UL28 a,e,i = 1.90, 0.49, 3 q = 0.9595
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 10 26 02 37.31 +10 31.0 0.0741 1.067 171.0 8.3 20.0
2009 10 27 02 46.87 +10 09.1 0.0695 1.062 169.5 9.8 19.9
2009 10 28 02 57.68 +09 43.2 0.0651 1.057 167.7 11.6 19.8
2009 10 29 03 09.93 +09 12.3 0.0610 1.052 165.5 13.7 19.7
2009 10 30 03 23.85 +08 35.3 0.0570 1.048 162.8 16.3 19.7
2009 10 31 03 39.66 +07 51.1 0.0534 1.043 159.7 19.3 19.6
2009 11 01 03 57.56 +06 58.3 0.0500 1.038 156.1 22.8 19.6
2009 11 02 04 17.74 +05 55.7 0.0470 1.034 151.8 27.0 19.5
2009 11 03 04 40.27 +04 42.5 0.0445 1.030 147.0 31.7 19.6
2009 11 04 05 05.07 +03 18.6 0.0424 1.025 141.5 37.0 19.6
2009 11 05 05 31.82 +01 45.5 0.0410 1.021 135.6 42.8 19.7
2009 11 06 05 59.97 +00 05.9 0.0401 1.017 129.3 49.0 19.8
2009 11 07 06 28.75 -01 35.8 0.0400 1.013 122.8 55.3 19.9
2009 11 08 06 57.27 -03 14.8 0.0404 1.009 116.4 61.5 20.1
2009 11 09 07 24.69 -04 46.9 0.0415 1.006 110.4 67.4 20.4
2009 11 10 07 50.38 -06 09.0 0.0432 1.002 104.8 72.9 20.6
2009 11 11 08 13.93 -07 19.8 0.0454 0.999 99.7 77.7 20.9
2009 11 12 08 35.17 -08 19.5 0.0480 0.996 95.3 81.9 21.2
2009 11 13 08 54.15 -09 09.0 0.0510 0.992 91.5 85.5 21.4
2009 11 14 09 10.99 -09 49.6 0.0543 0.989 88.3 88.6 21.7
2009 11 15 09 25.90 -10 22.9 0.0578 0.986 85.6 91.1 21.9
Timothy B. Spahr (C) Copyright 2009 MPC M.P.E.C. 2009-U106
Read MPEC 2009-U105
Read MPEC 2009-U107
