MPEC 2013-Q06 : 2009 WH106
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M.P.E.C. 2013-Q06 Issued 2013 Aug. 16, 21:26 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 https://www.minorplanetcenter.net/ ISSN 1523-6714
2009 WH106
Revision to MPEC 2009-W125
Additional Observations:
K09WA6H C2013 08 15.35454 21 03 34.889+02 18 54.87 19.0 iLEQ006F51
K09WA6H C2013 08 15.41366 21 03 37.309+02 23 33.89 19.3 rLEQ006F51
K09WA6H C2013 08 15.42419 21 03 37.729+02 24 23.70 19.4 rLEQ006F51
K09WA6H KC2013 08 16.83764 21 05 25.34 +04 23 09.7 qEQ006595
K09WA6H KC2013 08 16.84781 21 05 25.97 +04 24 04.6 19.5 VqEQ006595
K09WA6H KC2013 08 16.85881 21 05 26.65 +04 25 04.5 19.7 VqEQ006595
K09WA6H KC2013 08 16.87135 21 05 27.96 +04 26 08.1 qEQ006J95
K09WA6H KC2013 08 16.87653 21 05 28.31 +04 26 36.1 qEQ006J95
K09WA6H KC2013 08 16.88171 21 05 28.63 +04 27 04.0 18.6 RqEQ006J95
Observer details:
595 Farra d'Isonzo. Observers L. Bittesini, M. Coccolo, E. Pettarin, F. Piani.
Measurer E. Pettarin. 0.61-m f/4.0 reflector + CCD.
F51 Pan-STARRS 1, Haleakala. Observers N. Primak, A. Schultz. T. Goggia,
M. Willman. Measurer PS1 Science Consortium. 1.8-m Ritchey-Chretien
+ CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or integer in degrees), reference and Delta-T
130815 F51 26+ 12+ 130816 J95 28+ 14+ MPO167794 -5.0 day
Orbital elements:
2009 WH106 Earth MOID = 0.0406 AU
Epoch 2013 Apr. 18.0 TT = JDT 2456400.5 MPC
M 318.63650 (2000.0) P Q
n 0.25045698 Peri. 98.53974 +0.95482270 -0.29289234
a 2.4925696 Node 278.50284 +0.24872747 +0.88022165
e 0.6190479 Incl. 2.91388 +0.16262920 +0.37339512
P 3.94 H 22.6 G 0.15 U 1
Residuals in seconds of arc
091126 703 0.2- 0.8+ 091127 G96 0.2+ 0.1- 091205 H21 0.2- 0.4+
091126 703 0.1+ 0.2- 091127 G96 0.3+ 0.2+ 091205 926 0.3+ 0.0
091126 703 0.6- 1.2- 091127 926 0.3+ 0.2+ 091205 926 0.0 0.2+
091126 703 1.1- 0.1- 091127 926 1.2+ 0.3+ 091205 926 0.6+ 0.1+
091126 703 (2.7- 0.3+) 091127 926 1.0- 0.3+ 091219 291 0.8+ 0.1-
091126 703 1.2- 1.2+ 091128 H21 0.2- 0.4+ 091219 291 0.3- 0.5-
091126 703 (2.9- 0.1+) 091128 H21 0.0 0.1+ 091219 291 0.9+ 0.8-
091126 703 0.8+ 0.0 091128 H21 0.4- 0.1- 091226 291 0.3- 0.2+
091126 G96 0.6+ 0.4+ 091129 H21 0.2- 0.0 091226 291 1.0- 0.9-
091126 G96 0.2+ 0.1- 091129 H21 0.3+ 0.3+ 091226 291 0.1+ 0.5+
091126 G96 0.4+ 0.2+ 091129 H21 0.5+ 0.6+ 130815 F51 0.1- 0.2-
091126 G96 0.6+ 0.1- 091201 H21 0.0 1.0- 130815 F51 0.0 0.1-
091126 G96 0.9- 0.6- 091201 H21 0.7- 0.8- 130815 F51 0.1- 0.1-
091126 J95 0.0 0.3+ 091201 H21 0.8- 0.7- 130816 595 0.6+ 0.5-
091126 J95 0.1+ 0.2- 091204 H21 0.9- 0.6- 130816 595 0.4+ 0.8-
091126 J95 0.1+ 0.1- 091204 H21 0.3- 0.0 130816 595 0.3+ 0.6-
091127 G96 0.1+ 0.1- 091204 H21 1.2+ 1.4+ 130816 J95 0.0 0.5+
091127 G96 0.1+ 0.2- 091205 H21 0.5- 0.2+ 130816 J95 0.1+ 0.3+
091127 G96 0.6+ 0.1- 091205 H21 0.3- 0.3+ 130816 J95 0.2- 0.1-
Ephemeris:
2009 WH106 a,e,i = 2.49, 0.62, 3 q = 0.9495
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2013 07 17 20 51 06.3 -13 40 19 0.3604 1.3645 162.6 12.9 21.8
...
2013 08 01 20 55 23.9 -08 50 21 0.2292 1.2415 170.4 7.8 20.4
...
2013 08 09 20 58 32.5 -04 04 25 0.1694 1.1798 167.4 10.8 19.8
...
2013 08 15 21 03 09.9 +01 51 53 0.1290 1.1361 161.8 16.1 19.3
2013 08 16 21 04 18.6 +03 11 21 0.1227 1.1291 160.6 17.3 19.2
2013 08 17 21 05 36.5 +04 38 42 0.1165 1.1221 159.3 18.6 19.1
...
2013 08 23 21 18 35.6 +17 24 42 0.08250 1.0825 148.6 29.1 18.6
...
2013 08 31 22 25 42.4 +53 52 00 0.05460 1.0357 117.4 60.0 18.5
...
2013 09 15 07 39 01.8 +50 47 30 0.1002 0.9724 67.9 106.6 21.5
A. U. Tomatic (C) Copyright 2013 MPC M.P.E.C. 2013-Q06
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