Printer-friendly version
Follow the MPC on Twitter Follow the MPC on Facebook The MPC blog
Minor Planet Center

MPEC 2009-B28 : 2009 BL2

The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.

A form allowing access to any MPEC is at the bottom of this page.


Read MPEC 2009-B27 Read MPEC 2009-B29


M.P.E.C. 2009-B28                                Issued 2009 Jan. 20, 19:02 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 BL2

Observations:
     K09B02L* C2009 01 18.28503 07 37 20.16 +10 44 12.8          19.7   EB028704
     K09B02L  C2009 01 18.29765 07 37 19.08 +10 44 18.9          19.7   EB028704
     K09B02L  C2009 01 18.31027 07 37 17.87 +10 44 23.3          20.0   EB028704
     K09B02L  C2009 01 18.32288 07 37 16.76 +10 44 28.7          20.1   EB028704
     K09B02L  C2009 01 19.11051 07 36 06.58 +10 50 18.1          19.8 C EB028493
     K09B02L  C2009 01 19.11274 07 36 06.39 +10 50 19.1          20.0 C EB028493
     K09B02L  C2009 01 19.11498 07 36 06.19 +10 50 20.6          19.7 C EB028493
     K09B02L  C2009 01 19.15890 07 36 03.35 +10 50 40.9          19.5 R EB028H01
     K09B02L  C2009 01 19.16345 07 36 02.92 +10 50 42.9          19.7 R EB028H01
     K09B02L  C2009 01 19.17328 07 36 02.01 +10 50 47.5          19.8 R EB028H01
     K09B02L  C2009 01 19.18095 07 36 01.29 +10 50 51.1          19.7 R EB028H01
     K09B02L IC2009 01 19.87211 07 34 59.10 +10 56 08.1                 EB028J95
     K09B02L  C2009 01 19.87796 07 34 58.56 +10 56 10.8                 EB028J95
     K09B02L  C2009 01 19.88377 07 34 57.95 +10 56 13.5          19.5 R EB028J95
     K09B02L  C2009 01 20.23988 07 34 25.65 +10 59 08.0          19.7 R EB028854
     K09B02L  C2009 01 20.24564 07 34 25.05 +10 59 10.5          19.7 R EB028854
     K09B02L  C2009 01 20.24672 07 34 24.90 +10 59 10.4          19.5 R EB028H01
     K09B02L  C2009 01 20.25091 07 34 24.49 +10 59 12.4          19.6 R EB028H01
     K09B02L  C2009 01 20.25140 07 34 24.51 +10 59 13.2          19.7 R EB028854
     K09B02L  C2009 01 20.25579 07 34 24.03 +10 59 14.8          19.5 R EB028H01
     K09B02L  C2009 01 20.27482 07 34 22.26 +10 59 24.5          19.8 V EB028G96
     K09B02L  C2009 01 20.28450 07 34 21.32 +10 59 29.0          19.8 V EB028G96
     K09B02L  C2009 01 20.30394 07 34 19.45 +10 59 38.4          20.0 V EB028G96
     K09B02L 4C2009 01 20.34318 07 34 16.33 +10 59 59.2          19.4 R EB028F65
     K09B02L 4C2009 01 20.35660 07 34 15.04 +11 00 06.0          19.3 R EB028F65
     K09B02L 4C2009 01 20.36701 07 34 14.04 +11 00 11.5          19.5 R EB028F65

Observer details:
493 Calar Alto.  Observer F. Hormuth.  1.23-m reflector + 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.
F65 Haleakala-Faulkes Telescope North.  Observer J. Bedient.  2.0-m
    Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey.  Observer S. M. Larson.  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.  1.5-m reflector + CCD.
H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
    Measurer W. H. Ryan.  2.4-m f/8.9 reflector + CCD.
J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
    + CCD.

Orbital elements:
2009 BL2                                                 Earth MOID = 0.0944 AU
Epoch 2008 Nov. 30.0 TT = JDT 2454800.5                 MPC
M 321.19291              (2000.0)            P               Q
n   0.25512509     Peri.   52.70570     -0.91155047     +0.40663423
a   2.4620712      Node   151.14076     -0.40580711     -0.86572523
e   0.5783258      Incl.    7.26392     -0.06630488     -0.29183629
P   3.86           H   19.5           G   0.15           U   8
Residuals in seconds of arc
090118 704  0.9-  0.4+    090119 H01  0.0   0.3-    090120 854  0.3+  0.3+
090118 704  0.4+  1.0+    090119 H01  0.1-  0.3-    090120 H01  0.2+  0.1+
090118 704  0.1-  0.1-    090119 J95  0.1+  0.0     090120 G96  0.3+  0.3+
090118 704  0.8+  0.1-    090119 J95  0.2+  0.1-    090120 G96  0.2+  0.2+
090119 493  0.0   0.4-    090119 J95  0.8-  0.2-    090120 G96  0.2+  0.2+
090119 493  0.3+  0.4-    090120 854  0.8+  0.7+    090120 F65  0.2-  0.5-
090119 493  0.4+  0.1+    090120 854  0.1+  0.4+    090120 F65  0.2-  0.2-
090119 H01  0.0   0.2-    090120 H01  0.2+  0.1+    090120 F65  0.1-  0.2+
090119 H01  0.1-  0.4-    090120 H01  0.1+  0.1+

Ephemeris:
2009 BL2                 a,e,i = 2.46, 0.58, 7                   q = 1.0382
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2009 01 19    07 36.28   +10 49.6    0.614    1.590   168.3     7.2    20.0
2009 01 29    07 20.52   +12 23.0    0.553    1.513   158.6    13.7    19.9
2009 02 08    07 04.82   +14 28.3    0.510    1.437   145.8    22.7    19.9
2009 02 18    06 52.10   +16 56.6    0.482    1.363   132.9    32.1    19.9
2009 02 28    06 44.84   +19 38.7    0.463    1.292   121.1    41.0    20.0
2009 03 10    06 44.59   +22 28.2    0.447    1.226   110.9    49.2    20.0
2009 03 20    06 51.93   +25 22.2    0.430    1.166   102.3    56.5    20.1
2009 03 30    07 07.21   +28 18.9    0.410    1.115    95.5    63.0    20.0
2009 04 09    07 31.02   +31 15.1    0.386    1.076    90.4    68.6    20.0
2009 04 19    08 04.41   +34 03.4    0.358    1.050    87.2    72.9    19.9
2009 04 29    08 49.39   +36 22.7    0.328    1.039    86.2    75.4    19.8
2009 05 09    09 48.00   +37 29.0    0.301    1.043    88.0    75.3    19.6
2009 05 19    10 59.11   +36 10.7    0.282    1.063    92.8    71.9    19.4
2009 05 29    12 15.01   +31 23.4    0.276    1.097   100.4    65.3    19.2
2009 06 08    13 24.30   +23 33.0    0.290    1.143   109.2    56.9    19.2
2009 06 18    14 20.65   +14 37.3    0.325    1.200   117.0    49.0    19.3
2009 06 28    15 04.73   +06 24.0    0.383    1.263   122.3    42.9    19.6
2009 07 08    15 39.82   -00 21.4    0.459    1.332   124.6    38.9    20.0
2009 07 18    16 08.88   -05 38.8    0.553    1.405   124.5    36.6    20.4
2009 07 28    16 34.11   -09 43.3    0.662    1.481   122.6    35.3    20.9
2009 08 07    16 56.98   -12 50.4    0.785    1.558   119.4    34.5    21.4
2009 08 17    17 18.33   -15 12.8    0.920    1.635   115.5    34.0    21.8

Timothy B. Spahr             (C) Copyright 2009 MPC           M.P.E.C. 2009-B28

Read MPEC 2009-B27 Read MPEC 2009-B29


MPEC number:

Enter an MPEC number in one of the following forms:

  • 1997-B01 (the full form)
  • J97B01 (the packed version of the full form)
  • B01 (the abbreviated form)

Valid HTML 4.01!