MPEC 2012-D41 : 2009 DT10
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M.P.E.C. 2012-D41 Issued 2012 Feb. 23, 03:54 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
2009 DT10
Revision to MPEC 2009-D50
Additional Observations:
K09D10T C2012 02 22.34044 11 19 30.00 -15 33 24.1 19.2 VrED041703
K09D10T C2012 02 22.34716 11 19 28.20 -15 32 57.0 19.5 VrED041703
K09D10T C2012 02 22.35390 11 19 26.22 -15 32 29.8 18.9 VrED041703
K09D10T C2012 02 22.36066 11 19 24.38 -15 32 02.2 18.7 VrED041703
K09D10T mC2012 02 22.39292 11 19 15.27 -15 29 48.0 oED041291
K09D10T mC2012 02 22.39409 11 19 14.94 -15 29 43.1 oED041291
K09D10T mC2012 02 22.39612 11 19 14.37 -15 29 34.8 oED041291
K09D10T C2012 02 22.40468 11 19 11.82 -15 29 00.2 19.2 VrED041703
K09D10T C2012 02 22.40607 11 19 11.49 -15 28 54.7 19.1 VrED041703
K09D10T C2012 02 22.40743 11 19 11.06 -15 28 48.6 18.9 VrED041703
K09D10T C2012 02 22.40883 11 19 10.74 -15 28 43.6 19.3 VrED041703
K09D10T 7C2012 02 22.46284 11 18 59.56 -15 24 51.0 18.7 RtED041F65
K09D10T 7C2012 02 22.46690 11 18 58.41 -15 24 34.2 tED041F65
K09D10T `C2012 02 22.77007 11 17 41.27 -15 03 08.2 18.4 RuED041D90
K09D10T `C2012 02 22.77446 11 17 40.12 -15 02 50.6 18.8 RuED041D90
K09D10T `C2012 02 22.77883 11 17 39.02 -15 02 33.3 18.6 RuED041D90
K09D10T KC2012 02 22.93988 11 17 04.36 -14 53 54.9 18.7 RvED041B18
K09D10T KC2012 02 22.94198 11 17 03.82 -14 53 47.1 18.4 RvED041B18
K09D10T KC2012 02 22.94619 11 17 02.74 -14 53 30.7 18.9 RvED041B18
Observer details:
291 LPL/Spacewatch II. Observer R. S. McMillan. 1.8-m f/2.7 reflector + CCD.
703 Catalina Sky Survey. Observer A. Boattini. Measurers J. D. Ahern,
E. C. Beshore, A. Boattini, G. J. Garradd, A. R. Gibbs, P. Tricarico,
A. D. Grauer, R. E. Hill, R. A. Kowalski, S. M. Larson, R. H. McNaught.
0.68-m Schmidt + CCD.
B18 Terskol. Observers M. Andreev, A. Sergeev, N. Parakhin, V. Kozlov,
N. Karpov. Measurer M. Andreev. 0.6-m f/12.8 Cassegrain + CCD.
D90 RAS Observatory, Moorook. Observer K. Hills. 0.41-m f/9 Ritchey-Chretien
+ CCD.
F65 Haleakala-Faulkes Telescope North. Observers P. Miller, P. Roche,
A. Tripp, R. Miles, R. Holmes, S. Foglia, L. Buzzi. Measurers L. Buzzi,
S. Foglia. 2.0-m f/10 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
120222 703 6.40+ 1.24- 120222 B18 6.15+ 1.29- MPO156185 -0.76 day
Orbital elements:
2009 DT10 Earth MOID = 0.0167 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 23.54829 (2000.0) P Q
n 0.32912852 Peri. 132.65375 +0.13315213 -0.98967177
a 2.0775861 Node 309.61654 +0.88795334 +0.14292525
e 0.6208943 Incl. 3.95311 +0.44023786 +0.01105301
P 2.99 H 22.8 G 0.15 U 2
Residuals in seconds of arc
090221 E12 0.2- 0.2- 090222 854 0.3- 0.5+ 090319 291 0.0 0.6+
090221 E12 0.3- 0.5+ 090222 H36 0.4+ 0.2+ 090319 291 0.5- 0.2+
090221 E12 0.2- 0.4+ 090222 H36 0.4+ 0.4- 090319 291 0.1+ 0.1-
090221 E12 0.1+ 0.0 090222 G96 0.3- 0.1- 090320 H55 0.1+ 0.0
090221 E12 0.4- 0.0 090222 G96 0.3- 0.1- 090320 H55 0.5+ 0.7-
090221 E12 0.8+ 0.3+ 090222 H01 0.3+ 0.4- 090320 H55 0.8+ 0.6-
090221 E12 1.2+ 0.0 090222 H01 0.3+ 0.3- 120222 703 0.9- 0.6+
090221 E12 0.3- 0.1- 090222 H01 0.2+ 0.3- 120222 703 0.7+ 0.0
090221 E12 1.0+ 0.5- 090222 H01 0.4+ 0.4- 120222 703 0.2- 0.5-
090221 E12 0.0 0.2- 090222 E12 0.2- 0.8- 120222 703 0.9+ 0.7-
090221 204 0.7+ 0.4- 090222 E12 0.3+ 0.1+ 120222 291 0.1+ 0.1+
090221 204 0.3+ 0.3- 090222 E12 0.1- 0.6+ 120222 291 0.1+ 0.1+
090221 B33 0.0 0.4- 090222 E12 0.2+ 0.0 120222 291 0.2+ 0.1+
090221 204 0.6+ 0.3- 090224 H55 0.0 0.9+ 120222 703 0.9- 0.3-
090221 B33 0.3- 0.4- 090224 H55 0.3+ 0.1- 120222 703 0.1- 0.5-
090221 B33 0.5- 0.1- 090227 E12 0.1+ 0.0 120222 703 0.8- 0.0
090221 J95 0.1- 0.5+ 090227 E12 0.1+ 0.0 120222 703 0.3+ 0.8-
090222 J95 0.7- 0.5+ 090303 H55 0.4+ 0.1- 120222 F65 0.3- 0.5-
090222 J95 0.3- 0.0 090303 H55 0.2+ 0.1- 120222 F65 0.3- 0.1-
090222 493 0.2+ 0.2- 090303 H55 0.4+ 0.3- 120222 D90 0.2- 0.1-
090222 493 0.2+ 0.4- 090317 291 0.1+ 0.1- 120222 D90 0.4- 0.0
090222 493 0.1+ 0.2- 090317 291 0.3- 0.2+ 120222 D90 0.1+ 0.0
090222 854 (1.0- 5.6-) 090317 291 0.2- 0.0 120222 B18 0.1- 0.1-
090222 G96 0.3- 0.2- 090318 291 0.2- 0.0 120222 B18 0.1- 0.3-
090222 854 0.2+ 0.3- 090318 291 0.2+ 0.1- 120222 B18 0.1- 0.0
090222 H36 0.7+ 0.5+ 090318 291 0.2+ 0.2-
Ephemeris:
2009 DT10 a,e,i = 2.08, 0.62, 4 q = 0.7876
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2012 01 24 21 56 31.3 -08 02 55 0.1491 0.8522 25.6 150.1 26.8
...
2012 02 08 19 27 32.5 -39 48 05 0.03740 0.9560 35.2 143.5 22.9
...
2012 02 16 12 11 45.1 -28 03 17 0.05567 1.0226 127.5 50.0 18.4
...
2012 02 22 11 20 58.1 -15 56 20 0.09945 1.0758 149.3 28.0 19.2
2012 02 23 11 16 51.0 -14 49 00 0.1073 1.0848 151.5 25.8 19.3
2012 02 24 11 13 17.7 -13 49 44 0.1152 1.0939 153.6 23.7 19.4
...
2012 03 01 10 59 15.4 -09 41 41 0.1648 1.1491 162.5 15.0 20.0
...
2012 03 09 10 50 13.4 -06 33 42 0.2363 1.2242 166.9 10.6 20.8
...
2012 03 24 10 45 35.1 -03 26 22 0.3892 1.3657 158.0 15.8 22.3
A. U. Tomatic (C) Copyright 2012 MPC M.P.E.C. 2012-D41
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