MPEC 2013-P08 : 2011 BD40
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M.P.E.C. 2013-P08 Issued 2013 Aug. 2, 04:20 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
2011 BD40
Revision to MPEC 2011-B73
Additional Observations:
K11B40D C2013 08 01.30346 23 32 26.19 +11 02 38.2 18.8 rNEP008I41
K11B40D C2013 08 01.31352 23 32 25.58 +11 03 33.6 18.8 rNEP008I41
K11B40D C2013 08 01.34155 23 32 23.75 +11 06 07.5 18.7 rNEP008I41
K11B40D C2013 08 01.34970 23 32 23.19 +11 06 52.0 18.8 rNEP008I41
K11B40D KC2013 08 01.40944 23 32 18.47 +11 12 17.6 18.8 RqEP008H36
K11B40D KC2013 08 01.41312 23 32 18.24 +11 12 37.9 19.1 RqEP008H36
K11B40D KC2013 08 01.41625 23 32 18.03 +11 12 54.7 18.7 RqEP008H36
K11B40D KC2013 08 01.92392 23 31 50.43 +11 59 22.5 18.5 RtEP008A79
K11B40D KC2013 08 01.92563 23 31 50.43 +11 59 25.3 qEP008J95
K11B40D KC2013 08 01.92752 23 31 50.34 +11 59 36.2 qEP008J95
K11B40D KC2013 08 01.92819 23 31 50.15 +11 59 45.9 18.5 RtEP008A79
K11B40D KC2013 08 01.93007 23 31 50.16 +11 59 49.9 18.8 RqEP008J95
K11B40D KC2013 08 01.93200 23 31 49.90 +12 00 07.1 18.6 RtEP008A79
K11B40D C2013 08 01.93335 23 31 49.71 +12 00 12.0 18.6 RvEP008461
K11B40D C2013 08 01.93710 23 31 49.46 +12 00 32.8 18.6 RvEP008461
K11B40D C2013 08 01.93988 23 31 49.29 +12 00 48.1 18.5 RvEP008461
K11B40D KC2013 08 01.98001 23 31 46.75 +12 04 30.9 tEP008595
K11B40D KC2013 08 01.98987 23 31 46.06 +12 05 25.1 18.5 VtEP008595
K11B40D KC2013 08 01.99969 23 31 45.44 +12 06 19.4 tEP008595
K11B40D KC2013 08 02.00456 23 31 44.99 +12 06 45.1 19.3 VqEP008C47
K11B40D KC2013 08 02.01046 23 31 44.58 +12 07 18.1 19.3 VqEP008C47
K11B40D KC2013 08 02.01673 23 31 44.16 +12 07 52.8 19.2 VqEP008C47
K11B40D KC2013 08 02.03808823 31 42.59 +12 10 36.8 19.5 qEP008K91
K11B40D KC2013 08 02.04381423 31 42.18 +12 11 08.4 20.0 qEP008K91
K11B40D KC2013 08 02.05021923 31 41.70 +12 11 43.9 19.4 qEP008K91
K11B40D KC2013 08 02.05651023 31 41.26 +12 12 18.4 19.6 qEP008K91
Observer details:
461 University of Szeged, Piszkesteto Stn. (Konkoly). Observer K. Sarneczky.
0.60-m Schmidt + CCD.
595 Farra d'Isonzo. Observers A. Bresan, G. Ierman, E. Pettarin. Measurer
E. Pettarin. 0.40-m f/4.5 reflector + CCD.
A79 Zvezdno Obshtestvo Observatory, Plana. Observers F. Fratev, M. Minkov.
Measurer F. Fratev. 0.35-m f/3.46 reflector + CCD.
C47 Nonndorf. Observer G. Dangl. 0.25-m f/4.8 reflector + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
I41 Palomar Mountain--PTF. Observer P. Transient Factory. Measurer
A. Waszczak. 1.2-m f/2.44 Schmidt + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
K91 Sutherland-LCOGT A. Observer T. Lister. 1.0-m f/8 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
130801 I41 0.18- 0.14- 130802 K91 0.18- 0.14- MPO194134 +0.081 day
Orbital elements:
2011 BD40 Earth MOID = 0.1850 AU
Epoch 2013 Apr. 18.0 TT = JDT 2456400.5 MPC
M 260.73890 (2000.0) P Q
n 0.63305026 Peri. 50.56706 +0.96198351 -0.05527746
a 1.3433131 Node 310.82283 -0.11622942 +0.80332702
e 0.1430810 Incl. 20.69743 +0.24714055 +0.59296721
P 1.56 H 20.6 G 0.15 U 4
Residuals in seconds of arc
110130 F51 0.1- 0.0 110131 F65 0.6- 0.1+ 110225 291 0.2+ 0.6-
110130 F51 0.2- 0.1- 110131 F65 0.0 0.2+ 110225 291 0.0 0.6-
110130 F51 0.1- 0.1- 110131 F65 0.3- 0.4- 110225 291 0.5+ 0.1+
110130 F51 0.1- 0.1- 110131 F65 0.1+ 0.4+ 110301 291 0.2+ 0.2+
110130 300 (2.0+ 0.3+) 110131 F65 0.1- 0.3+ 110301 291 0.8+ 0.1-
110130 300 0.4+ 0.5+ 110131 F65 0.3+ 0.2+ 110301 291 0.5+ 0.5+
110130 300 1.4+ 0.0 110131 F65 0.0 0.1+ 130801 I41 0.7- 0.4+
110130 J95 0.6+ 0.2- 110131 F65 0.1+ 0.1+ 130801 I41 0.2- 0.5+
110130 J95 0.3- 0.1- 110131 F65 0.7- 0.4- 130801 I41 0.3- 0.3+
110130 J95 0.1- 0.0 110131 F65 0.2+ 0.0 130801 I41 0.7- 0.0
110131 H01 0.2- 0.0 110131 F65 0.2+ 0.6+ 130801 H36 0.4- 0.5+
110131 H01 0.2- 0.1+ 110202 204 0.1- 0.5- 130801 H36 0.1- 0.7+
110131 H01 0.0 0.1+ 110202 204 0.1- 0.2- 130801 H36 0.0 0.3+
110131 H01 0.2- 0.1+ 110202 204 0.4+ 0.0 130801 A79 0.5+ 0.1+
110131 H21 0.2+ 0.1+ 110203 G58 0.1- 0.4- 130801 J95 0.0 0.4-
110131 H21 0.2+ 0.1- 110203 G58 0.2+ 0.1- 130801 J95 0.4+ 0.0
110131 H21 0.2+ 0.3- 110203 G58 0.2- 0.0 130801 A79 0.5+ 0.2-
110131 568 0.0 0.1+ 110207 291 0.6- 0.1+ 130801 J95 0.1+ 0.4-
110131 568 0.0 0.0 110207 291 0.2+ 0.5- 130801 A79 0.6+ 0.1-
110131 568 0.0 0.0 110207 291 0.1- 1.0- 130801 461 0.3- 0.4+
110131 F65 0.6- 0.0 110208 926 0.2+ 0.2+ 130801 461 0.3- 0.5+
110131 F65 0.4+ 0.4- 110208 926 0.2+ 0.2+ 130801 461 0.1- 0.4+
110131 F65 0.4+ 0.2+ 110208 926 0.1+ 0.1- 130801 595 0.4- 0.3+
110131 F65 0.2+ 0.4+ 110210 291 0.1- 0.4+ 130801 595 0.6- 0.2-
110131 F65 0.1+ 0.4+ 110210 291 1.1+ 0.5+ 130801 595 0.2+ 0.3-
110131 F65 0.1- 0.0 110210 291 0.4- 0.8- 130802 C47 0.3- 0.2-
110131 F65 0.0 0.1+ 110210 291 1.2- 0.2- 130802 C47 0.4- 0.2+
110131 F65 0.2- 0.4- 110211 291 0.3- 0.2- 130802 C47 0.2- 0.2+
110131 F65 0.0 0.5+ 110211 291 0.2- 0.2+ 130802 K91 0.2- 0.3+
110131 F65 0.2- 0.1- 110211 291 0.1- 0.1+ 130802 K91 0.1- 0.3+
110131 F65 0.5- 0.0 110223 291 0.2- 1.0+ 130802 K91 0.3- 0.4+
110131 F65 0.2- 0.0 110223 291 0.4+ 0.1+ 130802 K91 0.1- 0.1+
110131 F65 0.1+ 0.5+ 110223 291 0.9- 0.4+
Ephemeris:
2011 BD40 a,e,i = 1.34, 0.14, 21 q = 1.1511
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2013 07 03 23 27 54.3 -21 24 32 0.3962 1.2418 115.9 47.5 20.8
...
2013 07 18 23 37 09.5 -07 52 12 0.3079 1.2140 123.6 44.2 20.2
...
2013 07 26 23 36 28.2 +01 57 49 0.2719 1.2007 127.5 42.1 19.8
...
2013 08 01 23 32 41.3 +10 35 12 0.2520 1.1915 129.6 41.0 19.6
2013 08 02 23 31 44.6 +12 06 37 0.2493 1.1900 129.8 40.9 19.6
2013 08 03 23 30 42.2 +13 39 12 0.2469 1.1886 130.0 40.8 19.5
...
2013 08 09 23 22 17.3 +23 09 49 0.2369 1.1805 130.1 41.1 19.4
...
2013 08 17 23 04 45.7 +35 33 45 0.2358 1.1710 127.5 43.3 19.5
...
2013 09 01 22 12 11.8 +53 03 19 0.2641 1.1579 118.3 50.1 19.9
A. U. Tomatic (C) Copyright 2013 MPC M.P.E.C. 2013-P08
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