MPEC 2015-M14 : 1993 BD2
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M.P.E.C. 2015-M14 Issued 2015 June 17, 10:50 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
1993 BD2
Additional Observations:
J93B02D C2015 02 17.63469 17 14 14.205+01 58 50.54 21.4 wLEM014F51
J93B02D C2015 02 17.64175 17 14 15.163+01 58 48.73 21.3 wLEM014F51
J93B02D C2015 02 17.64884 17 14 16.154+01 58 46.81 21.3 wLEM014F51
J93B02D C2015 06 16.41842 17 58 15.093-13 58 01.84 19.7 gLEM014F51
J93B02D C2015 06 16.47232 17 58 09.694-13 59 01.15 19.9 gLEM014F51
J93B02D KC2015 06 17.33950 17 56 46.29 -14 14 57.0 oEM014291
J93B02D KC2015 06 17.34187 17 56 46.05 -14 14 59.2 oEM014291
J93B02D KC2015 06 17.34417 17 56 45.86 -14 15 01.8 oEM014291
Observer details:
291 LPL/Spacewatch II. Observer R. A. Mastaler. 1.8-m f/2.7 reflector + CCD.
F51 Pan-STARRS 1, Haleakala. Observers B. Gibson, T. Goggia, N. Primak,
A. Schultz, M. Willman. Measurers K. Chambers, S. Chastel, L. Denneau,
H. Flewelling, M. Huber, E. Lilly, E. Magnier, R. Wainscoat, C. Waters,
R. Weryk. 1.8-m Ritchey-Chretien + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
150217 F51 1.43+ 1.62- 150617 291 2.87+ 1.54- MPC 23520 -4.5 day
Orbital elements:
1993 BD2 Earth MOID = 0.4481 AU
Epoch 2015 June 27.0 TT = JDT 2457200.5 MPC
M 60.93077 (2000.0) P Q
n 0.31891231 Peri. 65.67702 -0.86543313 -0.26063922
a 2.1217222 Node 96.83151 +0.12926307 -0.94127675
e 0.3947080 Incl. 25.52805 +0.48406256 -0.21462823
P 3.09 H 18.4 G 0.15 U 2
Residuals in seconds of arc
930122 691 1.0- 0.5- 930124 691 0.3+ 0.1- 150217 F51 0.2- 0.0
930122 691 0.0 0.2+ 930130 691 0.3+ 0.1- 150217 F51 0.0 0.2-
930122 691 0.1+ 0.6+ 930218 691 1.3- 0.0 150616 F51 0.0 0.0
930123 691 0.0 0.1+ 930218 691 0.3+ 0.9+ 150616 F51 0.2- 0.1+
930123 691 0.1+ 0.4+ 930218 691 0.3+ 0.2+ 150617 291 0.1+ 0.1-
930123 691 0.1- 0.1- 930222 691 1.1- 0.5- 150617 291 0.0 0.3+
930124 691 0.1+ 0.2+ 930222 691 0.1+ 0.9- 150617 291 0.6+ 0.2+
930124 691 1.1+ 0.1- 150217 F51 0.1+ 0.1+
Ephemeris:
1993 BD2 a,e,i = 2.12, 0.39, 26 q = 1.2843
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2015 05 18 18 37 47.6 -05 49 41 0.9722 1.8261 134.0 23.5 20.8
...
2015 06 02 18 20 30.0 -09 38 30 0.9444 1.9018 152.4 14.3 20.5
...
2015 06 10 18 08 29.7 -12 00 17 0.9498 1.9418 162.4 9.1 20.3
...
2015 06 16 17 58 55.4 -13 50 15 0.9648 1.9715 169.0 5.6 20.2
2015 06 17 17 57 19.1 -14 08 36 0.9683 1.9765 169.9 5.2 20.2
2015 06 18 17 55 43.0 -14 26 55 0.9720 1.9814 170.6 4.8 20.2
...
2015 06 24 17 46 18.0 -16 15 17 1.0005 2.0108 171.1 4.5 20.3
...
2015 07 02 17 34 48.7 -18 32 10 1.0538 2.0495 163.7 8.0 20.6
...
2015 07 17 17 18 50.4 -22 13 33 1.1972 2.1206 146.6 15.3 21.3
A. U. Tomatic (C) Copyright 2015 MPC M.P.E.C. 2015-M14
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