MPEC 2009-L02 : 2009 KT21
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M.P.E.C. 2009-L02 Issued 2009 June 1, 11:02 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 KT21
Observations:
K09K21T* C2009 05 29.30801 16 05 36.85 -17 01 43.6 20.6 V EL002G96
K09K21T C2009 05 29.31353 16 05 36.34 -17 01 40.8 21.0 V EL002G96
K09K21T C2009 05 29.31911 16 05 35.88 -17 01 37.2 21.7 V EL002G96
K09K21T C2009 05 29.33294 16 05 34.55 -17 01 30.5 21.2 V EL002G96
K09K21T C2009 05 29.33964 16 05 33.92 -17 01 26.9 21.2 V EL002G96
K09K21T C2009 05 29.34630 16 05 33.39 -17 01 25.0 EL002G96
K09K21T C2009 05 29.35282 16 05 32.76 -17 01 20.2 21.4 V EL002G96
K09K21T C2009 05 30.28007 16 04 11.42 -16 53 29.4 20.2 R EL002H01
K09K21T C2009 05 30.28689 16 04 10.81 -16 53 26.0 20.5 R EL002H01
K09K21T C2009 05 30.29407 16 04 10.15 -16 53 22.3 20.4 R EL002H01
K09K21T C2009 05 30.31317 16 04 08.42 -16 53 12.7 20.3 R EL002H01
K09K21T HC2009 05 30.33465 16 04 06.57 -16 53 03.1 EL002291
K09K21T C2009 05 30.33970 16 04 06.04 -16 52 58.6 22.2 V EL002291
K09K21T C2009 06 01.19096 16 01 27.66 -16 37 40.3 21.7 V EL002H55
K09K21T C2009 06 01.19169016 01 27.61 -16 37 40.3 21.0 V EL002H55
K09K21T C2009 06 01.20954416 01 25.98 -16 37 31.8 21.2 V EL002H55
K09K21T C2009 06 01.21005 16 01 25.88 -16 37 30.8 21.5 V EL002H55
K09K21T C2009 06 01.29621 16 01 18.56 -16 36 48.6 20.8 R EL002H01
K09K21T C2009 06 01.30134 16 01 18.10 -16 36 46.0 20.7 R EL002H01
K09K21T C2009 06 01.31259 16 01 17.12 -16 36 40.7 20.6 R EL002H01
K09K21T C2009 06 01.31803 16 01 16.64 -16 36 38.0 20.8 R EL002H01
K09K21T C2009 06 01.33311 16 01 15.38 -16 36 30.4 21.6 V EL002G96
K09K21T C2009 06 01.33917 16 01 14.84 -16 36 27.6 21.6 V EL002G96
K09K21T C2009 06 01.34542 16 01 14.34 -16 36 24.6 21.6 V EL002G96
K09K21T C2009 06 01.35163 16 01 13.72 -16 36 21.2 21.5 V EL002G96
Observer details:
291 LPL/Spacewatch II. Observer J. V. Scotti. 1.8-m f/2.7 reflector + CCD.
G96 Mt. Lemmon Survey. Observers R. E. Hill, A. D. Grauer. 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.
H55 Astronomical Research Observatory, Charleston. Observer R. Holmes.
Measurers H. Devore, S. Foglia. 0.81-m f/4.0 astrograph + CCD.
Orbital elements:
2009 KT21 Earth MOID = 0.1083 AU
Epoch 2009 June 18.0 TT = JDT 2455000.5 MPC
M 97.95828 (2000.0) P Q
n 0.42475138 Peri. 239.71076 -0.37405010 -0.91986512
a 1.7527212 Node 232.72533 +0.89367865 -0.32349842
e 0.4168805 Incl. 8.53110 +0.24784065 -0.22180382
P 2.32 H 19.2 G 0.15 U 9
Residuals in seconds of arc
090529 G96 0.0 0.0 090530 H01 0.1- 0.3+ 090601 H01 0.2- 0.2+
090529 G96 0.1- 0.0 090530 H01 0.2- 0.3+ 090601 H01 0.2- 0.0
090529 G96 0.7+ 0.7+ 090530 291 0.6+ 1.2- 090601 H01 0.3- 0.0
090529 G96 0.2- 0.3+ 090530 291 0.5- 0.7+ 090601 G96 0.1+ 0.1+
090529 G96 0.4- 0.4+ 090601 H55 1.2+ 0.3+ 090601 G96 0.1- 0.1-
090529 G96 0.7+ 1.1- 090601 H55 1.4+ 0.1- 090601 G96 0.5+ 0.2-
090529 G96 0.3+ 0.3+ 090601 H55 0.3+ 0.3- 090601 G96 0.6- 0.1+
090530 H01 0.0 0.3+ 090601 H55 0.5- 0.5+
090530 H01 0.1+ 0.3+ 090601 H01 0.0 0.1+
Ephemeris:
2009 KT21 a,e,i = 1.75, 0.42, 9 q = 1.0220
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 05 29 16 06.07 -17 04.3 1.012 2.022 173.9 3.0 21.1
2009 05 30 16 04.60 -16 55.8 1.017 2.027 172.8 3.6 21.1
2009 05 31 16 03.15 -16 47.4 1.023 2.031 171.6 4.2 21.2
2009 06 01 16 01.73 -16 39.1 1.029 2.035 170.4 4.8 21.2
2009 06 02 16 00.33 -16 31.0 1.035 2.040 169.1 5.4 21.3
2009 06 03 15 58.96 -16 23.1 1.041 2.044 167.9 6.0 21.3
2009 06 04 15 57.63 -16 15.3 1.048 2.048 166.6 6.6 21.4
2009 06 05 15 56.32 -16 07.6 1.055 2.052 165.4 7.2 21.4
2009 06 06 15 55.04 -16 00.2 1.062 2.057 164.1 7.8 21.4
2009 06 07 15 53.80 -15 52.9 1.069 2.061 162.9 8.3 21.5
2009 06 08 15 52.59 -15 45.8 1.077 2.065 161.7 8.9 21.5
2009 06 09 15 51.41 -15 38.8 1.085 2.069 160.4 9.5 21.6
2009 06 10 15 50.27 -15 32.1 1.093 2.073 159.2 10.0 21.6
2009 06 11 15 49.17 -15 25.5 1.101 2.077 158.0 10.6 21.7
2009 06 12 15 48.10 -15 19.2 1.110 2.081 156.8 11.1 21.7
2009 06 13 15 47.06 -15 13.0 1.118 2.086 155.5 11.6 21.7
2009 06 14 15 46.07 -15 07.1 1.127 2.090 154.3 12.1 21.8
2009 06 15 15 45.11 -15 01.4 1.136 2.094 153.2 12.7 21.8
2009 06 16 15 44.19 -14 55.8 1.146 2.098 152.0 13.2 21.9
2009 06 17 15 43.31 -14 50.5 1.155 2.102 150.8 13.6 21.9
2009 06 18 15 42.47 -14 45.4 1.165 2.106 149.6 14.1 22.0
Timothy B. Spahr (C) Copyright 2009 MPC M.P.E.C. 2009-L02
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