MPEC 2010-B13 : 1998 OK1
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M.P.E.C. 2010-B13 Issued 2010 Jan. 20, 00:36 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
1998 OK1
Revision to MPEC 1998-O13
Additional Observations:
J98O01K C2010 01 16.45728 13 41 21.87 +10 05 47.3 19.2 EB013704
J98O01K C2010 01 16.48215 13 41 21.33 +10 07 05.7 19.3 EB013704
J98O01K C2010 01 16.49470 13 41 21.01 +10 07 46.3 19.2 EB013704
J98O01K C2010 01 16.50718 13 41 20.70 +10 08 25.6 19.1 EB013704
J98O01K 2C2010 01 18.61518913 40 48.577+11 59 33.66 19.0 R EB013568
J98O01K 2C2010 01 18.61896113 40 48.461+11 59 45.50 19.0 R EB013568
J98O01K 2C2010 01 19.55627513 40 30.557+12 48 25.45 19.0 R EB013568
J98O01K 2C2010 01 19.55812713 40 30.501+12 48 31.24 18.9 R EB013568
J98O01K C2010 01 19.74190 13 40 26.14 +12 58 26.2 19.3 V EB013E12
J98O01K C2010 01 19.74317 13 40 26.11 +12 58 30.4 18.9 V EB013E12
J98O01K C2010 01 19.74443 13 40 26.07 +12 58 34.2 19.2 V EB013E12
J98O01K C2010 01 19.74569 13 40 26.04 +12 58 37.3 18.5 V EB013E12
J98O01K C2010 01 19.74696 13 40 26.07 +12 58 42.2 19.5 V EB013E12
J98O01K C2010 01 19.99255 13 40 21.15 +13 10 41.5 EB013587
J98O01K C2010 01 19.99396 13 40 21.07 +13 10 46.5 EB013587
J98O01K C2010 01 19.99521 13 40 21.05 +13 10 49.8 EB013587
J98O01K C2010 01 20.00255 13 40 20.91 +13 11 13.4 19.5 R EB013587
Observer details:
568 Mauna Kea. Observers M. Micheli, G. T. Elliott, D. J. Tholen. Measurer
D. J. Tholen. 2.24-m University of Hawaii reflector.
587 Sormano. Observers F. Manca, A. Testa. Measurer F. Manca. 0.5-m f/6.8
reflector + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, G. Spitz,
R. Brungard, J. Paige, P. Festler. 1.0-m f/2.15 reflector + CCD.
E12 Siding Spring Survey. Observer R. H. McNaught. 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. 0.5-m Uppsala Schmidt + CCD.
Orbital elements:
1998 OK1 PHA, Earth MOID = 0.0393 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC
M 29.97386 (2000.0) P Q
n 0.62415382 Peri. 298.44410 +0.64191565 -0.73225159
a 1.3560477 Node 109.76180 +0.76048087 +0.57004484
e 0.4291527 Incl. 13.98847 +0.09804663 +0.37263451
P 1.58 H 19.4 G 0.15 U 4
Residuals in seconds of arc
980721 704 0.7+ 0.4+ 980722 426 0.2- 0.2- 100119 568 0.0 0.1-
980721 704 1.7+ 0.2+ 980722 426 0.2- 0.2- 100119 568 0.0 0.1-
980721 704 0.6+ 0.0 980722 426 0.3- 0.2- 100119 E12 0.5- 0.1+
980721 704 0.1+ 1.3+ 980722 426 0.3- 0.3- 100119 E12 0.3- 0.3+
980722 422 0.0 0.0 980723 422 0.3+ 0.6+ 100119 E12 0.3- 0.2+
980722 422 0.0 0.1- 980723 422 0.9- 0.5+ 100119 E12 0.2- 0.6-
980722 422 0.1- 0.2- 980723 422 0.6+ 0.6+ 100119 E12 0.8+ 0.3+
980722 422 0.3- 0.0 100116 704 1.1+ 1.8+ 100119 587 0.2+ 0.6-
980722 402 0.7- 1.1- 100116 704 1.2+ 0.5+ 100119 587 0.5- 0.0
980722 402 0.5+ 0.7- 100116 704 0.7+ 0.9+ 100119 587 0.4- 0.6-
980722 402 0.1- 0.2- 100116 704 0.3+ 0.3+ 100120 587 0.2+ 0.1+
980722 402 0.3- 0.3+ 100118 568 0.0 0.0
980722 402 1.0- 0.0 100118 568 0.0 0.0
Ephemeris:
1998 OK1 a,e,i = 1.36, 0.43, 14 q = 0.7741
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2010 01 14 13 41.74 +07 53.6 0.284 1.037 92.9 71.3 19.2
2010 01 24 13 38.37 +16 33.9 0.304 1.107 105.9 58.8 19.2
2010 02 03 13 28.86 +24 27.6 0.328 1.177 118.4 47.4 19.1
2010 02 13 13 11.62 +31 18.6 0.357 1.246 129.6 37.6 19.2
2010 02 23 12 47.16 +36 30.0 0.397 1.312 138.2 30.2 19.3
2010 03 05 12 19.19 +39 32.4 0.450 1.376 142.4 26.1 19.5
2010 03 15 11 52.92 +40 27.9 0.518 1.437 141.7 25.4 19.9
2010 03 25 11 32.50 +39 43.4 0.599 1.495 137.5 26.8 20.4
2010 04 04 11 19.44 +37 55.2 0.692 1.549 131.6 28.9 20.8
2010 04 14 11 13.09 +35 31.9 0.797 1.599 125.1 30.9 21.3
2010 04 24 11 12.21 +32 51.2 0.909 1.646 118.5 32.5 21.6
2010 05 04 11 15.45 +30 03.9 1.029 1.690 112.1 33.6 22.0
Gareth V. Williams (C) Copyright 2010 MPC M.P.E.C. 2010-B13
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