MPEC 2013-B71 : 2013 BR45
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M.P.E.C. 2013-B71 Issued 2013 Jan. 22, 13:18 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
2013 BR45
Observations:
K13B45R* C2013 01 19.34676 09 12 13.41 +10 55 00.6 21.3 VoEB071691
K13B45R C2013 01 19.36445 09 12 10.49 +10 55 18.6 20.9 VoEB071691
K13B45R C2013 01 19.38213 09 12 07.63 +10 55 35.5 21.2 VoEB071691
K13B45R KC2013 01 19.51307 09 11 46.67 +10 57 44.4 20.8 RoEB071291
K13B45R KC2013 01 19.51666 09 11 46.11 +10 57 47.7 20.9 RoEB071291
K13B45R KC2013 01 19.52023 09 11 45.58 +10 57 50.9 20.5 RoEB071291
K13B45R C2013 01 20.37518 09 09 32.63 +11 11 50.9 20.2 RtEB071H01
K13B45R C2013 01 20.37917 09 09 31.99 +11 11 54.8 20.2 RtEB071H01
K13B45R C2013 01 20.38718 09 09 30.71 +11 12 02.7 20.2 RtEB071H01
K13B45R C2013 01 20.40063 09 09 28.56 +11 12 15.9 20.3 RtEB071H01
K13B45R KC2013 01 20.49100 09 09 14.24 +11 13 44.3 20.3 RoEB071291
K13B45R KC2013 01 20.49348 09 09 13.85 +11 13 46.6 20.0 RoEB071291
K13B45R KC2013 01 20.49596 09 09 13.44 +11 13 49.0 20.4 RoEB071291
K13B45R KC2013 01 21.33660 09 07 03.97 +11 27 26.8 20.4 RoEB071291
K13B45R KC2013 01 21.33882 09 07 03.61 +11 27 29.0 20.1 RoEB071291
K13B45R KC2013 01 22.28726 09 04 38.21 +11 42 40.7 20.4 RoEB071291
K13B45R KC2013 01 22.28949 09 04 37.77 +11 42 42.6 20.7 RoEB071291
K13B45R KC2013 01 22.29172 09 04 37.50 +11 42 45.6 20.3 RoEB071291
Observer details:
291 LPL/Spacewatch II. Observers J. V. Scotti, T. H. Bressi. 1.8-m f/2.7
reflector + CCD.
691 Steward Observatory, Kitt Peak. Observer J. V. Scotti. 0.9-m f/3
reflector + CCD.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 reflector + CCD.
Orbital elements:
2013 BR45 Earth MOID = 0.0716 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 358.95454 (2000.0) P Q
n 0.40237089 Peri. 204.29634 +0.99847461 +0.04088832
a 1.8171259 Node 153.28013 -0.02644097 +0.94403075
e 0.6953515 Incl. 4.73333 -0.04846993 +0.32731345
P 2.45 H 19.8 G 0.15 U 9
Residuals in seconds of arc
130119 691 0.6+ 0.2- 130120 H01 0.2- 0.3- 130120 291 0.3- 0.0
130119 691 0.4- 0.4+ 130120 H01 0.3- 0.3- 130121 291 0.4+ 0.0
130119 691 0.6- 0.2- 130120 H01 0.3- 0.2- 130121 291 0.3+ 0.1+
130119 291 0.1- 0.3+ 130120 H01 0.3- 0.1- 130122 291 0.4+ 0.1-
130119 291 0.1+ 0.1+ 130120 291 0.0 0.1+ 130122 291 0.9- 0.3-
130119 291 0.6+ 0.2- 130120 291 0.0 0.0 130122 291 0.3+ 0.5+
Ephemeris:
2013 BR45 a,e,i = 1.82, 0.70, 5 q = 0.5536
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2012 12 23 10 17 35.5 +03 49 54 0.6385 1.3901 116.3 39.4 21.1
...
2013 01 07 09 44 30.2 +07 28 00 0.6577 1.5483 140.5 23.8 21.0
...
2013 01 15 09 23 40.5 +09 42 24 0.6856 1.6282 154.1 15.3 20.9
...
2013 01 21 09 07 56.0 +11 22 04 0.7178 1.6861 164.2 9.2 20.8
2013 01 22 09 05 22.0 +11 38 09 0.7242 1.6956 165.8 8.2 20.8
2013 01 23 09 02 49.5 +11 54 02 0.7309 1.7050 167.4 7.2 20.8
...
2013 01 29 08 48 17.9 +13 24 06 0.7772 1.7607 175.4 2.6 20.8
...
2013 02 06 08 31 31.2 +15 07 15 0.8553 1.8325 168.7 6.1 21.3
...
2013 02 21 08 10 06.9 +17 24 22 1.0472 1.9597 148.5 15.3 22.2
A. U. Tomatic (C) Copyright 2013 MPC M.P.E.C. 2013-B71
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