MPEC 2009-W106: 2009 WH104
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M.P.E.C. 2009-W106 Issued 2009 Nov. 25, 00:07 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 WH104
Observations:
K09WA4H* C2009 11 24.20876 03 18 51.51 +22 38 28.3 20.1 V EW106G96
K09WA4H C2009 11 24.21559 03 18 51.73 +22 38 08.9 20.0 V EW106G96
K09WA4H C2009 11 24.22243 03 18 51.94 +22 37 49.5 20.1 V EW106G96
K09WA4H C2009 11 24.28253 03 18 53.92 +22 35 00.1 20.0 V EW106G96
K09WA4H C2009 11 24.28362 03 18 54.00 +22 34 56.6 19.9 V EW106G96
K09WA4H C2009 11 24.28468 03 18 54.03 +22 34 54.0 19.9 V EW106G96
K09WA4H C2009 11 24.28571 03 18 54.03 +22 34 51.2 19.8 V EW106G96
K09WA4H C2009 11 24.32102 03 18 55.17 +22 33 12.2 20.2 R EW106651
K09WA4H C2009 11 24.32211 03 18 55.19 +22 33 07.8 20.2 R EW106651
K09WA4H C2009 11 24.32320 03 18 55.25 +22 33 05.5 20.1 R EW106651
K09WA4H C2009 11 24.34800 03 18 56.13 +22 31 55.3 20.6 R EW106926
K09WA4H C2009 11 24.35069 03 18 56.19 +22 31 46.8 20.5 R EW106926
K09WA4H C2009 11 24.35340 03 18 56.30 +22 31 39.4 20.6 R EW106926
K09WA4H C2009 11 24.38740 03 18 57.41 +22 30 01.3 19.4 R EW106H01
K09WA4H C2009 11 24.39108 03 18 57.54 +22 29 50.8 19.4 R EW106H01
K09WA4H C2009 11 24.39601 03 18 57.72 +22 29 36.8 19.4 R EW106H01
K09WA4H C2009 11 24.40075 03 18 57.89 +22 29 23.2 19.4 R EW106H01
K09WA4H C2009 11 24.89387 03 19 19.18 +22 06 25.7 19.4 R EW106B18
K09WA4H C2009 11 24.89806 03 19 19.39 +22 06 13.7 19.4 R EW106B18
K09WA4H C2009 11 24.90014 03 19 19.39 +22 06 07.5 19.3 R EW106B18
Observer details:
651 Grasslands Observatory, Tucson. Observer J. E. McGaha. 0.62-m f/5.1
Newtonian reflector + CCD.
926 Tenagra II Observatory. Observers P. R. Holvorcem, M. Schwartz. Measurer
P. R. Holvorcem. 0.81-m f/7 Ritchey-Chretien + CCD.
B18 Terskol. Observers M. Andreev, A. Sergeev, N. Parakhin, V. Kozlov.
Measurer M. Andreev. 0.6-m f/12.8 Cassegrain + CCD.
G96 Mt. Lemmon Survey. Observer R. E. 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.
Orbital elements:
2009 WH104 Earth MOID = 0.2686 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC
M 24.94157 (2000.0) P Q
n 0.24926884 Peri. 124.24609 +0.96134834 -0.11418024
a 2.5004838 Node 243.47343 +0.04471537 +0.96262484
e 0.5314908 Incl. 16.26155 +0.27167979 +0.24559376
P 3.95 H 21.1 G 0.15 U 9
Residuals in seconds of arc
091124 G96 0.1+ 0.1+ 091124 651 0.3- 0.9+ 091124 H01 0.0 0.1-
091124 G96 0.0 0.1- 091124 651 0.5- 0.5- 091124 H01 0.0 0.0
091124 G96 0.3- 0.2- 091124 651 0.2- 0.3+ 091124 H01 0.0 0.1-
091124 G96 0.2- 0.0 091124 926 0.4+ 0.5+ 091124 B18 0.3- 0.4+
091124 G96 0.4+ 0.4- 091124 926 0.0 0.4- 091124 B18 0.6+ 0.0
091124 G96 0.4+ 0.0 091124 926 0.3+ 0.1- 091124 B18 0.4- 0.4-
091124 G96 0.1- 0.1+ 091124 H01 0.0 0.1-
Ephemeris:
2009 WH104 a,e,i = 2.50, 0.53, 16 q = 1.1715
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 11 25 03 19.40 +22 01.7 0.371 1.354 169.9 7.4 20.1
2009 11 26 03 20.09 +21 16.5 0.377 1.359 169.1 7.9 20.2
2009 11 27 03 20.77 +20 32.7 0.384 1.365 168.2 8.5 20.3
2009 11 28 03 21.45 +19 50.5 0.390 1.370 167.3 9.1 20.4
2009 11 29 03 22.12 +19 09.8 0.397 1.376 166.3 9.8 20.4
2009 11 30 03 22.80 +18 30.6 0.405 1.381 165.3 10.4 20.5
2009 12 01 03 23.47 +17 52.8 0.412 1.387 164.3 11.1 20.6
2009 12 02 03 24.14 +17 16.5 0.419 1.393 163.2 11.8 20.6
2009 12 03 03 24.82 +16 41.6 0.427 1.399 162.2 12.5 20.7
2009 12 04 03 25.50 +16 08.2 0.435 1.404 161.1 13.1 20.8
2009 12 05 03 26.18 +15 36.1 0.443 1.410 160.1 13.8 20.9
2009 12 06 03 26.86 +15 05.4 0.451 1.416 159.0 14.4 20.9
2009 12 07 03 27.55 +14 36.0 0.460 1.422 158.0 15.1 21.0
2009 12 08 03 28.25 +14 07.8 0.468 1.428 156.9 15.7 21.1
2009 12 09 03 28.96 +13 41.0 0.477 1.434 155.9 16.3 21.2
2009 12 10 03 29.67 +13 15.4 0.486 1.440 154.9 16.9 21.2
2009 12 11 03 30.39 +12 50.9 0.495 1.446 153.9 17.4 21.3
2009 12 12 03 31.12 +12 27.7 0.505 1.452 152.9 18.0 21.4
2009 12 13 03 31.86 +12 05.6 0.514 1.458 151.9 18.5 21.4
2009 12 14 03 32.60 +11 44.5 0.524 1.464 150.9 19.1 21.5
2009 12 15 03 33.37 +11 24.6 0.534 1.471 149.9 19.6 21.6
Timothy B. Spahr (C) Copyright 2009 MPC M.P.E.C. 2009-W106
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