MPEC 2009-D31 : 2009 DD1
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M.P.E.C. 2009-D31 Issued 2009 Feb. 19, 23:47 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 DD1
Observations:
K09D01D C2009 02 19.29818 10 03 09.36 -05 42 42.9 19.0 ED031704
K09D01D C2009 02 19.30997 10 03 08.46 -05 41 40.2 19.6 ED031704
K09D01D* C2009 02 19.31544 10 03 08.13 -05 41 09.5 18.8 V ED031703
K09D01D C2009 02 19.32156 10 03 07.54 -05 40 36.0 19.4 ED031704
K09D01D C2009 02 19.32969 10 03 06.87 -05 39 51.8 19.2 V ED031703
K09D01D C2009 02 19.33677 10 03 06.37 -05 39 13.4 18.8 V ED031703
K09D01D C2009 02 19.34667 10 03 05.49 -05 38 19.1 19.1 V ED031703
K09D01D C2009 02 19.35420 10 03 04.93 -05 37 39.4 18.2 V ED031703
K09D01D C2009 02 19.36175 10 03 04.17 -05 37 01.0 18.6 V ED031703
K09D01D C2009 02 19.36621 10 03 03.86 -05 36 34.4 18.4 R ED031H01
K09D01D C2009 02 19.36920 10 03 03.56 -05 36 15.5 18.1 V ED031703
K09D01D C2009 02 19.36920 10 03 03.58 -05 36 18.3 18.3 R ED031H01
K09D01D C2009 02 19.36936 10 03 03.62 -05 36 17.1 18.7 R ED031854
K09D01D C2009 02 19.37320 10 03 03.43 -05 35 55.9 18.7 R ED031854
K09D01D C2009 02 19.37469 10 03 03.17 -05 35 48.4 18.4 R ED031H01
K09D01D C2009 02 19.37703 10 03 03.06 -05 35 35.6 19.1 R ED031854
K09D01D C2009 02 19.37835 10 03 02.88 -05 35 28.4 18.4 R ED031H01
K09D01D C2009 02 19.38181 10 03 02.60 -05 35 09.7 18.4 R ED031H01
K09D01D C2009 02 19.84410 10 02 31.47 -04 53 05.5 18.6 V ED031104
K09D01D C2009 02 19.84723 10 02 31.15 -04 52 48.7 19.5 V ED031104
K09D01D C2009 02 19.84950 10 02 30.97 -04 52 37.1 18.8 V ED031104
K09D01D C2009 02 19.85310 10 02 30.66 -04 52 20.2 ED031587
K09D01D C2009 02 19.85438 10 02 30.58 -04 52 13.2 ED031587
K09D01D C2009 02 19.86605 10 02 29.74 -04 51 07.0 19.0 R ED031143
K09D01D C2009 02 19.87192 10 02 29.17 -04 50 34.1 ED031587
K09D01D C2009 02 19.87414 10 02 28.99 -04 50 22.6 ED031587
K09D01D C2009 02 19.88103 10 02 28.89 -04 49 41.0 19.0 C ED031493
K09D01D C2009 02 19.88209 10 02 28.78 -04 49 34.9 18.9 C ED031493
K09D01D C2009 02 19.88317 10 02 28.72 -04 49 29.3 18.9 C ED031493
K09D01D C2009 02 19.89421 10 02 27.48 -04 48 31.8 18.4 C ED031204
K09D01D C2009 02 19.89953 10 02 27.07 -04 48 02.3 ED031204
K09D01D C2009 02 19.90481 10 02 26.62 -04 47 33.4 ED031204
K09D01D C2009 02 19.92588 10 02 24.94 -04 45 37.2 18.8 R ED031143
K09D01D C2009 02 19.93321 10 02 24.39 -04 44 56.6 18.9 V ED031A13
K09D01D C2009 02 19.93550 10 02 24.20 -04 44 43.9 18.8 V ED031A13
K09D01D C2009 02 19.95171 10 02 22.91 -04 43 14.5 18.7 V ED031A13
K09D01D C2009 02 19.95454 10 02 22.68 -04 42 58.9 18.7 V ED031A13
Observer details:
104 San Marcello Pistoiese. Observers L. Tesi, G. Fagioli, M. Mazzucato,
E. Tognelli. Measurer L. Tesi. 0.60-m f/4 reflector + CCD.
143 Gnosca. Observer S. Sposetti. 0.40-m f/4 reflector + CCD.
204 Schiaparelli Observatory. Observer L. Buzzi. 0.60-m f/4.64 reflector
+ CCD.
493 Calar Alto. Observer F. Hormuth. 1.23-m reflector + CCD.
587 Sormano. Observers F. Manca, A. Testa. Measurer F. Manca. 0.5-m f/6.8
reflector + CCD.
703 Catalina Sky Survey. Observer R. E. Hill. Measurers E. C. Beshore,
A. Boattini, G. J. Garradd, A. R. Gibbs, A. D. Grauer, R. E. Hill,
R. A. Kowalski, S. M. Larson, R. H. McNaught. 0.68-m Schmidt + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Bezpalko, D. Torres,
R. Kracke, G. Spitz, J. Kistler. Measurers J. Stuart, S. Scruggs. 1.0-m
f/2.15 reflector + CCD.
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.36-m f/10.0
Schmidt-Cassegrain + CCD.
A13 Observatoire Naef, Marly. Observer P. Kocher. 0.5-m f/3.3 Hypergraph
+ CCD.
H01 Magdalena Ridge Observatory, Socorro. Observer W. H. Ryan. 2.4-m f/8.9
reflector + CCD.
Orbital elements:
2009 DD1 Earth MOID = 0.1954 AU
Epoch 2008 Nov. 30.0 TT = JDT 2454800.5 MPC
M 211.57326 (2000.0) P Q
n 0.70698432 Peri. 96.79606 -0.21113378 +0.96047101
a 1.2479472 Node 158.23890 -0.97141770 -0.22678500
e 0.1188682 Incl. 29.30013 +0.10849050 -0.16144349
P 1.39 H 20.3 G 0.15 U 9
Residuals in seconds of arc
090219 704 0.1- 0.1+ 090219 854 1.0+ 0.1+ 090219 493 0.2+ 0.1-
090219 704 0.8+ 1.0- 090219 H01 0.2+ 0.2+ 090219 493 0.2- 0.1+
090219 703 0.8+ 0.4- 090219 854 0.1+ 0.4- 090219 493 0.2+ 0.2-
090219 704 1.2+ 0.5+ 090219 H01 0.3+ 0.3+ 090219 204 0.2+ 0.0
090219 703 0.6- 0.1+ 090219 H01 0.3+ 0.2+ 090219 204 0.4+ 0.1+
090219 703 0.6+ 0.2+ 090219 104 0.8+ 1.5+ 090219 204 0.0 0.1-
090219 703 0.5- 0.9+ 090219 104 0.3- 1.1+ 090219 143 0.2+ 0.0
090219 703 0.3+ 0.3- 090219 104 0.3- 0.2+ 090219 A13 0.2+ 0.3+
090219 703 1.8- 2.8- 090219 587 0.7- 2.1- 090219 A13 0.1+ 0.4+
090219 H01 0.3+ 0.2+ 090219 587 0.4- 2.1- 090219 A13 0.4+ 0.3+
090219 703 1.9- 2.3+ 090219 143 0.8+ 0.0 090219 A13 0.4+ 0.2+
090219 H01 0.3- 0.1+ 090219 587 0.9- 0.4+
090219 854 0.8- 0.2- 090219 587 0.9- 0.3-
Ephemeris:
2009 DD1 a,e,i = 1.25, 0.12, 29 q = 1.0996
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 02 18 10 04.67 -07 36.8 0.295 1.270 160.7 14.9 19.0
2009 02 28 09 52.32 +08 56.9 0.267 1.252 167.2 10.1 18.6
2009 03 10 09 40.84 +26 37.2 0.276 1.234 147.2 25.9 19.1
2009 03 20 09 33.94 +40 36.0 0.314 1.215 128.1 40.1 19.8
2009 03 30 09 34.28 +49 52.1 0.369 1.197 113.9 49.7 20.4
2009 04 09 09 42.96 +55 38.9 0.429 1.180 103.7 55.6 20.8
2009 04 19 09 59.32 +59 10.5 0.488 1.163 96.2 59.2 21.2
2009 04 29 10 22.09 +61 10.8 0.540 1.148 90.6 61.3 21.4
2009 05 09 10 49.68 +62 05.1 0.584 1.134 86.4 62.7 21.6
2009 05 19 11 20.26 +62 06.4 0.618 1.122 83.3 63.6 21.8
2009 05 29 11 52.45 +61 20.6 0.640 1.112 81.1 64.2 21.8
2009 06 08 12 25.17 +59 50.7 0.651 1.105 79.9 64.7 21.9
2009 06 18 12 57.62 +57 36.1 0.650 1.101 79.4 65.1 21.9
2009 06 28 13 29.54 +54 32.6 0.640 1.100 79.7 65.4 21.8
2009 07 08 14 00.93 +50 34.0 0.620 1.101 80.6 65.6 21.8
2009 07 18 14 31.87 +45 30.6 0.594 1.105 82.2 65.6 21.7
2009 07 28 15 02.74 +39 09.8 0.566 1.112 84.3 65.3 21.6
2009 08 07 15 33.90 +31 22.9 0.539 1.122 86.8 64.5 21.5
2009 08 17 16 05.65 +22 09.8 0.520 1.134 89.5 63.2 21.4
2009 08 27 16 38.36 +11 51.5 0.515 1.148 91.7 61.6 21.4
2009 09 06 17 12.21 +01 16.1 0.527 1.163 93.2 59.9 21.4
2009 09 16 17 47.20 -08 37.0 0.559 1.180 93.5 58.3 21.5
2009 09 26 18 23.26 -17 00.6 0.610 1.197 92.7 56.8 21.7
2009 10 06 19 00.02 -23 33.3 0.674 1.216 91.0 55.3 21.9
Timothy B. Spahr (C) Copyright 2009 MPC M.P.E.C. 2009-D31
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