MPEC 2010-D03 : 2009 BD77
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M.P.E.C. 2010-D03 Issued 2010 Feb. 16, 05:33 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
2009 BD77
Revision to MPEC 2009-B92
Additional Observations:
K09B77D KC2010 02 15.12726 01 57 25.54 +38 17 35.7 20.7 R ED003926
K09B77D KC2010 02 15.13687 01 57 30.16 +38 17 38.1 21.1 R ED003926
K09B77D KC2010 02 15.14649 01 57 34.77 +38 17 42.3 21.3 R ED003926
K09B77D KC2010 02 16.09791 02 05 25.44 +38 23 00.8 21.0 R ED003926
K09B77D KC2010 02 16.10751 02 05 30.18 +38 23 02.3 20.6 R ED003926
Observer details:
926 Tenagra II Observatory. Observers P. R. Holvorcem, M. Schwartz. Measurer
P. R. Holvorcem. 0.81-m f/7 Ritchey-Chretien + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
100215 926 10.1+ 5.9+ 100216 926 10.2+ 4.8+ MPO157505 -0.0038 day
Orbital elements:
2009 BD77 Earth MOID = 0.0827 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC
M 19.60984 (2000.0) P Q
n 0.90985565 Peri. 63.38188 +0.73490597 -0.66878330
a 1.0547618 Node 337.99778 +0.46471231 +0.61737206
e 0.2201086 Incl. 17.46471 +0.49391870 +0.41422292
P 1.08 H 20.4 G 0.15 U 3
Residuals in seconds of arc
090130 703 0.5+ 0.5- 090218 379 0.3- 0.1- 090223 H53 0.6+ 0.8+
090130 703 0.3+ 0.0 090218 379 0.6- 0.1- 090223 704 0.2+ 0.2+
090130 703 0.6+ 0.6+ 090218 379 0.7- 0.1+ 090223 704 0.4+ 0.8+
090130 703 0.2- 0.7- 090218 379 0.7- 0.2- 090223 704 0.1+ 0.3+
090130 B04 0.1- 0.1- 090218 379 0.6- 0.2- 090223 704 0.5+ 0.3-
090131 B04 0.2+ 0.2- 090218 379 0.1+ 0.0 090223 704 0.8- 0.1+
090131 B04 0.6- 0.0 090218 379 0.3- 0.5- 090224 J75 0.1- 0.0
090131 204 0.4- 0.1- 090218 379 0.2- 0.4- 090224 J75 0.2- 0.5-
090131 204 0.2- 0.2- 090219 H45 0.3- 0.3- 090224 J75 0.1- 0.1-
090131 204 0.4- 0.5- 090219 H45 0.3- 0.2- 090226 704 1.1+ 0.7+
090131 H36 0.3+ 0.3- 090219 H45 0.6- 0.2- 090226 704 0.9+ 0.5+
090131 H36 0.2- 0.2+ 090219 H45 0.3- 0.1+ 090226 704 0.7+ 0.8+
090131 H36 0.2+ 0.3+ 090219 H45 0.4- 0.4- 090226 704 1.0+ 0.5+
090131 H36 0.3+ 0.0 090219 H45 0.1- 0.3- 090226 704 1.1+ 0.4+
090131 H55 0.0 0.1- 090219 703 1.0- 0.1- 090303 H53 0.3- 0.2+
090131 H55 0.0 0.0 090219 703 0.2+ 0.1+ 090303 H53 (1.6- 0.5+)
090131 H55 0.1+ 0.1+ 090219 703 0.9- 0.2- 090303 H53 0.6- 0.8-
090131 H55 0.1+ 0.2+ 090219 703 0.2+ 0.1- 090303 H53 0.2- 0.1-
090131 673 0.4+ 0.1+ 090220 I20 0.6+ 0.0 090303 H53 0.1- 0.1-
090131 448 0.0 0.3- 090220 I20 0.1+ 0.3+ 090303 H53 0.2+ 0.6+
090131 673 0.2+ 0.4+ 090220 I20 0.4+ 0.5+ 090306 H26 0.5+ 0.0
090131 673 0.4+ 0.5+ 090220 I20 0.4+ 0.2+ 090306 H26 0.7- 0.4-
090131 448 0.1- 0.3- 090220 691 0.7+ 0.1- 090306 H26 0.0 0.2-
090131 673 0.0 0.1+ 090220 691 0.4+ 0.3- 090306 H26 0.8+ 0.2+
090131 448 0.0 0.2- 090220 H45 0.3- 0.4+ 090306 H26 0.2+ 0.8-
090131 G96 0.3- 0.1- 090220 H45 0.3- 0.0 090306 H26 0.0 0.6+
090131 G96 0.2- 0.2- 090220 H45 0.6- 0.2+ 090306 H26 0.3+ 0.7-
090131 G96 0.2- 0.3- 090220 H45 0.2- 0.5- 090306 H26 0.2+ 0.2-
090202 H55 0.2+ 0.2+ 090220 H45 0.2- 0.3- 090313 H55 0.3+ 0.3+
090202 H55 0.0 0.1+ 090220 H45 0.1- 0.1+ 090313 H55 0.0 0.3+
090202 H55 0.1+ 0.0 090220 H45 0.1- 0.2+ 090313 H55 0.2+ 0.3+
090205 703 0.6+ 0.0 090221 379 0.2- 0.3- 090313 E12 0.2- 0.1-
090205 703 0.9+ 0.3+ 090221 379 0.5- 0.1- 090313 E12 0.2- 0.1+
090205 703 0.7+ 0.7+ 090221 379 0.2- 0.1- 090316 E12 0.8- 0.2+
090205 H55 0.1- 0.0 090221 379 0.1+ 0.2+ 090316 E12 0.2- 0.3+
090205 H55 0.0 0.0 090221 379 0.6- 0.4+ 090316 E12 0.6- 0.4-
090205 H55 0.2+ 0.1+ 090222 H45 0.1- 0.2+ 090330 H55 0.1- 1.3-
090215 H55 0.4- 0.0 090222 H45 0.2+ 0.3+ 090330 H55 0.2+ 0.5-
090215 H55 0.1- 0.0 090222 H45 0.2- 0.1+ 090330 H55 0.2- 0.2+
090215 H55 0.4- 0.0 090222 H45 0.4+ 0.1+ 090418 H55 0.2- 0.2-
090216 I20 1.0- 1.5+ 090222 H45 0.2+ 0.1+ 090418 H55 0.4- 0.2+
090216 I20 (1.6- 1.8+) 090222 H45 0.2- 0.0 090418 H55 0.5- 0.6+
090217 850 0.5- 0.6- 090223 H53 0.5- 0.4+ 100215 926 0.7+ 0.2+
090217 850 0.1- 0.2- 090223 H53 0.7- 0.3+ 100215 926 0.1+ 0.6-
090217 850 0.4- 0.4- 090223 H53 1.3+ 0.9- 100215 926 0.8- 0.4+
090217 850 0.8- 0.2+ 090223 H53 (1.0- 2.0+) 100216 926 0.2- 0.1+
090217 850 0.5- 0.5- 090223 H53 1.2+ 0.1- 100216 926 0.5+ 0.5-
Ephemeris:
2009 BD77 a,e,i = 1.05, 0.22, 17 q = 0.8226
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2010 02 13 01 40.16 +37 58.8 0.401 0.967 75.3 81.1 21.2
2010 02 23 03 03.00 +38 01.4 0.395 1.004 80.7 76.5 21.1
2010 03 05 04 21.62 +34 40.4 0.408 1.042 85.4 71.6 21.1
2010 03 15 05 27.08 +29 16.9 0.442 1.078 88.6 67.2 21.2
2010 03 25 06 19.03 +23 23.8 0.490 1.113 90.3 63.6 21.3
2010 04 04 07 00.75 +17 52.9 0.551 1.146 90.5 60.8 21.6
2010 04 14 07 35.60 +13 00.2 0.618 1.176 89.7 58.5 21.8
2010 04 24 08 06.06 +08 44.0 0.690 1.202 88.3 56.7 22.0
Gareth V. Williams (C) Copyright 2010 MPC M.P.E.C. 2010-D03
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