MPEC 2009-U104: 2009 UK20
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M.P.E.C. 2009-U104 Issued 2009 Oct. 26, 18:18 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 UK20
Observations:
K09U20K* C2009 10 25.20928 02 16 17.42 +17 45 25.6 20.9 V EU104691
K09U20K C2009 10 25.22989 02 16 14.62 +17 44 34.5 21.0 V EU104691
K09U20K C2009 10 25.24708 02 16 12.18 +17 43 50.3 20.8 V EU104691
K09U20K C2009 10 25.43484 02 15 45.21 +17 35 22.8 22.1 V EU104291
K09U20K HC2009 10 25.43876 02 15 44.76 +17 35 09.0 EU104291
K09U20K HC2009 10 25.44256 02 15 44.18 +17 34 59.7 EU104291
K09U20K tC2009 10 26.13968 02 14 48.90 +17 02 17.9 20.9 V EU104291
K09U20K tC2009 10 26.14363 02 14 48.37 +17 02 07.3 20.8 V EU104291
K09U20K tC2009 10 26.14802 02 14 47.74 +17 01 53.6 21.1 V EU104291
K09U20K C2009 10 26.30806 02 14 23.06 +16 54 13.8 20.1 R EU104H01
K09U20K C2009 10 26.31544 02 14 21.87 +16 53 51.5 20.5 R EU104H01
K09U20K C2009 10 26.32179 02 14 20.86 +16 53 32.5 20.4 R EU104H01
K09U20K C2009 10 26.32724 02 14 20.00 +16 53 16.3 20.3 R EU104H01
K09U20K C2009 10 26.42092 02 14 06.00 +16 48 31.7 21.2 V EU104291
K09U20K C2009 10 26.42568 02 14 05.29 +16 48 16.4 21.3 V EU104291
K09U20K C2009 10 26.42962 02 14 04.66 +16 48 02.4 21.3 V EU104291
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.
H01 Magdalena Ridge Observatory, Socorro. Observer W. H. Ryan. 2.4-m f/8.9
reflector + CCD.
Orbital elements:
2009 UK20 Earth MOID = 0.0058 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC
M 345.97719 (2000.0) P Q
n 0.90844872 Peri. 277.93026 -0.69592112 -0.71751448
a 1.0558505 Node 216.22841 +0.67692942 -0.64176899
e 0.2062847 Incl. 2.85536 +0.23970890 -0.27074993
P 1.08 H 26.5 G 0.15 U 8
Residuals in seconds of arc
091025 691 0.3- 0.1+ 091026 291 0.4+ 0.5+ 091026 H01 0.3+ 0.3+
091025 691 0.1+ 0.6+ 091026 291 0.2+ 0.7+ 091026 291 0.1+ 0.6+
091025 691 0.2- 0.1- 091026 291 0.5- 1.1- 091026 291 0.1+ 0.4+
091025 291 0.2+ 0.1+ 091026 H01 0.5+ 0.0 091026 291 0.7- 1.0-
091025 291 (1.2+ 2.5-) 091026 H01 0.2+ 0.2-
091025 291 0.1+ 0.9- 091026 H01 0.2+ 0.0
Ephemeris:
2009 UK20 a,e,i = 1.06, 0.21, 3 q = 0.8380
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 10 26 02 14.93 +17 10.0 0.0599 1.054 174.2 5.5 20.9
2009 10 28 02 11.15 +15 21.9 0.0533 1.047 177.6 2.2 20.5
2009 10 30 02 06.45 +13 03.0 0.0469 1.040 177.4 2.5 20.2
2009 11 01 02 00.47 +10 00.9 0.0407 1.033 172.7 7.1 20.1
2009 11 03 01 52.69 +05 55.6 0.0348 1.026 166.7 12.9 20.0
2009 11 05 01 42.15 +00 15.2 0.0292 1.019 159.0 20.5 19.9
2009 11 07 01 27.13 -07 51.3 0.0242 1.012 148.6 30.7 19.8
2009 11 09 01 04.17 -19 32.6 0.0201 1.005 134.4 44.8 19.7
2009 11 11 00 25.63 -35 23.6 0.0175 0.998 115.2 63.9 20.0
2009 11 13 23 14.23 -52 37.6 0.0170 0.991 92.7 86.3 20.7
2009 11 15 21 07.01 -63 48.5 0.0188 0.984 72.0 107.0 21.8
Sonia Keys (C) Copyright 2009 MPC M.P.E.C. 2009-U104
Read MPEC 2009-U103
Read MPEC 2009-U105
