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Minor Planet Center

MPEC 2009-D29 : 2009 DB1

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M.P.E.C. 2009-D29                                Issued 2009 Feb. 19, 23:41 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 DB1

Observations:
     K09D01B* C2009 02 19.22635 08 29 13.20 +02 42 39.8          19.8 V ED029703
     K09D01B  C2009 02 19.23245 08 29 14.46 +02 43 12.5          19.3 V ED029703
     K09D01B  C2009 02 19.23844 08 29 15.82 +02 43 44.1          19.9 V ED029703
     K09D01B  C2009 02 19.24509 08 29 17.34 +02 44 21.6          19.0 V ED029703
     K09D01B  C2009 02 19.25213 08 29 18.99 +02 44 57.9          18.8 V ED029703
     K09D01B  C2009 02 19.25912 08 29 20.47 +02 45 37.7          19.2 V ED029703
     K09D01B  C2009 02 19.26618 08 29 22.02 +02 46 15.9          19.2 V ED029703
     K09D01B  C2009 02 19.31119 08 29 31.87 +02 50 17.2          18.6 R ED029H01
     K09D01B  C2009 02 19.31521 08 29 32.78 +02 50 39.0          18.6 R ED029H01
     K09D01B  C2009 02 19.31569 08 29 33.17 +02 50 44.8          19.1 R ED029854
     K09D01B  C2009 02 19.31952 08 29 34.04 +02 51 04.4          19.3 R ED029854
     K09D01B  C2009 02 19.31953 08 29 33.75 +02 51 02.3          18.6 R ED029H01
     K09D01B  C2009 02 19.32336 08 29 34.80 +02 51 24.4          19.4 R ED029854
     K09D01B  C2009 02 19.32406 08 29 34.77 +02 51 26.6          18.5 R ED029H01
     K09D01B  C2009 02 19.32733 08 29 35.52 +02 51 44.3          18.5 R ED029H01
     K09D01B  C2009 02 19.79757 08 31 36.35 +03 32 31.1          19.3 C ED029493
     K09D01B  C2009 02 19.79844 08 31 36.55 +03 32 35.5          19.1 C ED029493
     K09D01B  C2009 02 19.79931 08 31 36.74 +03 32 40.1          19.2 C ED029493
     K09D01B  C2009 02 19.83025 08 31 42.50 +03 35 06.4          19.1 R ED029143
     K09D01B  C2009 02 19.83743 08 31 44.07 +03 35 43.2                 ED029587
     K09D01B  C2009 02 19.83880 08 31 44.19 +03 35 49.8          18.9 R ED029587
     K09D01B  C2009 02 19.84037 08 31 44.64 +03 35 57.8          19.1 R ED029143
     K09D01B  C2009 02 19.84162 08 31 44.90 +03 36 04.3          18.9 R ED029587
     K09D01B  C2009 02 19.84465 08 31 45.60 +03 36 20.3                 ED029587
     K09D01B  C2009 02 19.84937 08 31 46.28 +03 36 43.3          19.1 V ED029595
     K09D01B  C2009 02 19.85160 08 31 47.10 +03 36 53.9          18.7 R ED029143
     K09D01B  C2009 02 19.86460 08 31 49.56 +03 37 59.6          20.2 V ED029595
     K09D01B  C2009 02 19.87191 08 31 51.37 +03 38 36.3                 ED029204
     K09D01B  C2009 02 19.87925 08 31 52.63 +03 39 12.9          19.5 V ED029595
     K09D01B  C2009 02 19.87969 08 31 53.02 +03 39 15.2          18.9 C ED029204
     K09D01B  C2009 02 19.88499 08 31 54.19 +03 39 43.7          19.3 R ED029A24
     K09D01B  C2009 02 19.88667 08 31 54.59 +03 39 52.1          19.3 R ED029A24
     K09D01B  C2009 02 19.88835 08 31 54.91 +03 39 59.6          19.3 R ED029A24
     K09D01B  C2009 02 19.89826 08 31 57.61 +03 40 54.8          18.7 V ED029941
     K09D01B  C2009 02 19.89871 08 31 57.70 +03 40 56.9          19.1 V ED029941
     K09D01B  C2009 02 19.89982 08 31 58.02 +03 41 02.2          19.0 V ED029941
     K09D01B  C2009 02 19.90093 08 31 58.28 +03 41 07.2          19.3 V ED029941
     K09D01B  C2009 02 19.92806 08 32 03.33 +03 43 15.2          19.3 V ED029A13
     K09D01B  C2009 02 19.93060 08 32 03.88 +03 43 28.2          19.3 V ED029A13
     K09D01B  C2009 02 19.94699 08 32 07.31 +03 44 49.5          18.8 V ED029A13
     K09D01B  C2009 02 19.94979 08 32 07.89 +03 45 03.1          18.7 V ED029A13

Observer details:
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.
595 Farra d'Isonzo.  Observers L. Bittesini, F. Fabris, E. Pettarin, F. Piani.
    Measurer F. Fabris.  0.40-m f/4.5 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.
854 Sabino Canyon Observatory, Tucson.  Observer J. E. McGaha.  0.36-m f/10.0
    Schmidt-Cassegrain + CCD.
941 Observatorio Pla D'Arguines.  Observer R. Ferrando.  0.40-m f/10
    Ritchey-Chretien + CCD.
A13 Observatoire Naef, Marly.  Observer P. Kocher.  0.5-m f/3.3 Hypergraph
    + CCD.
A24 New Millennium Observatory, Mozzate.  Observer E. Cozzi.  0.36-m f/7.6
    Schmidt-Cassegrain + CCD.
H01 Magdalena Ridge Observatory, Socorro.  Observer W. H. Ryan.  2.4-m f/8.9
    reflector + CCD.

Orbital elements:
2009 DB1                                                 Earth MOID = 0.0396 AU
Epoch 2008 Nov. 30.0 TT = JDT 2454800.5                 MPC
M 351.14163              (2000.0)            P               Q
n   0.71956427     Peri.  240.43823     +0.66548189     -0.74622738
a   1.2333594      Node   167.79838     +0.70923830     +0.62521016
e   0.4383349      Incl.    4.52927     +0.23262607     +0.22859781
P   1.37           H   22.9           G   0.15           U   9
Residuals in seconds of arc
090219 703  0.7+  0.8+    090219 H01  0.0   0.3+    090219 595  0.2-  0.4-
090219 703  0.9-  0.2+    090219 493  0.0   0.1-    090219 204  0.4-  0.2-
090219 703  0.6-  0.9-    090219 493  0.2+  0.1-    090219 A24  0.4+  1.6+
090219 703  0.1-  0.4+    090219 493  0.1+  0.1+    090219 A24  1.1+  1.6+
090219 703  1.1+  1.7-    090219 143  0.4+  0.5-    090219 A24  0.6+  0.7+
090219 703  0.1-  0.1+    090219 587  0.8+  0.3-    090219 941  0.9-  0.0
090219 703  0.5-  0.0     090219 587  1.8-  0.5-    090219 941  0.9-  0.1-
090219 H01  0.1-  0.0     090219 143  0.2-  0.1-    090219 941  0.4+  0.4-
090219 H01  0.1-  0.2+    090219 587  0.3-  0.2-    090219 941  0.8+  0.9-
090219 854  0.7+  1.1+    090219 587  0.5+  0.5+    090219 A13  0.2-  0.2-
090219 854  0.9+  0.1+    090219 595  0.4-  0.3-    090219 A13  0.0   0.2+
090219 H01  0.1-  0.2+    090219 143  0.7+  0.4-    090219 A13  0.1-  0.3+
090219 854  0.7-  0.6-    090219 595  0.2+  0.4-    090219 A13  0.3-  0.1+
090219 H01  0.2-  0.2+    090219 204  0.5-  0.2-

Ephemeris:
2009 DB1                 a,e,i = 1.23, 0.44, 5                   q = 0.6927
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2009 02 18    08 23.57   +00 41.5    0.0940   1.072   152.3    25.3    19.1
2009 02 19    08 28.23   +02 22.4    0.101    1.080   153.3    24.3    19.2
2009 02 20    08 32.33   +03 50.0    0.109    1.087   153.9    23.6    19.4
2009 02 21    08 35.98   +05 06.7    0.116    1.095   154.3    23.1    19.5
2009 02 22    08 39.26   +06 14.2    0.124    1.102   154.5    22.8    19.7
2009 02 23    08 42.23   +07 13.9    0.131    1.109   154.5    22.6    19.8
2009 02 24    08 44.94   +08 07.0    0.139    1.117   154.3    22.6    19.9
2009 02 25    08 47.43   +08 54.4    0.147    1.124   154.0    22.7    20.1
2009 02 26    08 49.73   +09 36.9    0.155    1.131   153.7    22.8    20.2
2009 02 27    08 51.88   +10 15.2    0.163    1.139   153.2    23.1    20.3
2009 02 28    08 53.90   +10 49.7    0.172    1.146   152.7    23.3    20.5
2009 03 01    08 55.81   +11 21.0    0.180    1.153   152.2    23.6    20.6
2009 03 02    08 57.61   +11 49.3    0.188    1.160   151.6    24.0    20.7
2009 03 03    08 59.33   +12 15.1    0.197    1.167   151.0    24.3    20.8
2009 03 04    09 00.98   +12 38.5    0.206    1.175   150.3    24.7    21.0
2009 03 05    09 02.57   +12 59.9    0.214    1.182   149.6    25.1    21.1
2009 03 06    09 04.11   +13 19.3    0.223    1.189   149.0    25.5    21.2
2009 03 07    09 05.59   +13 37.1    0.232    1.196   148.3    25.9    21.3
2009 03 08    09 07.04   +13 53.3    0.241    1.203   147.5    26.3    21.4
2009 03 09    09 08.45   +14 08.1    0.250    1.210   146.8    26.7    21.5
2009 03 10    09 09.83   +14 21.6    0.259    1.216   146.1    27.1    21.6

Timothy B. Spahr             (C) Copyright 2009 MPC           M.P.E.C. 2009-D29

Read MPEC 2009-D28 Read MPEC 2009-D30


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