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Minor Planet Center

MPEC 2009-A46 : 2009 AL15

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M.P.E.C. 2009-A46                                Issued 2009 Jan. 8, 15:27 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 AL15

Observations:
     K09A15L* C2009 01 07.41933 08 34 10.85 +15 07 13.0          20.1 V EA046691
     K09A15L  C2009 01 07.43747 08 34 09.08 +15 08 13.2          20.3 V EA046691
     K09A15L  C2009 01 07.45588 08 34 07.33 +15 09 13.4          19.9 V EA046691
     K09A15L  C2009 01 07.54455 08 33 58.97 +15 14 06.1          20.5 V EA046291
     K09A15L  C2009 01 07.54938 08 33 58.51 +15 14 22.4          20.4 V EA046291
     K09A15L  C2009 01 07.55382 08 33 58.09 +15 14 36.6          20.5 V EA046291
     K09A15L  C2009 01 08.31901 08 32 52.00 +15 57 10.1          19.3 R EA046H36
     K09A15L  C2009 01 08.32073 08 32 52.26 +15 57 18.5          20.5 V EA046291
     K09A15L  C2009 01 08.32459 08 32 51.90 +15 57 31.6          20.4 V EA046291
     K09A15L  C2009 01 08.32555 08 32 51.33 +15 57 31.7          19.2 R EA046H36
     K09A15L  C2009 01 08.32903 08 32 51.40 +15 57 46.6          20.5 V EA046291
     K09A15L  C2009 01 08.33861 08 32 50.04 +15 58 15.7          19.8 R EA046H36

Observer details:
291 LPL/Spacewatch II.  Observer J. V. Scotti.  1.8-m f/2.7 reflector + CCD.
691 Steward Observatory, Kitt Peak.  Observer J. V. Scotti.  0.9-m f/3
    reflector + CCD.
H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m reflector + CCD.

Orbital elements:
2009 AL15                                                Earth MOID = 0.1854 AU
Epoch 2008 Nov. 30.0 TT = JDT 2454800.5                 MPC
M  56.54540              (2000.0)            P               Q
n   0.68693926     Peri.  259.17223     +0.93357486     -0.24484261
a   1.2721075      Node   114.57364     +0.31458649     +0.90967644
e   0.1306104      Incl.   16.72451     -0.17167798     +0.33547112
P   1.43           H   21.4           G   0.15           U   9
Residuals in seconds of arc
090107 691  0.1+  0.1+    090107 291  0.1-  0.3+    090108 291  0.3+  0.0
090107 691  0.1-  0.3+    090107 291  0.2-  0.1-    090108 H36  0.2+  0.1-
090107 691  0.2+  0.4-    090108 H36  0.4+  0.2+    090108 291  0.5-  0.1+
090107 291  0.2+  0.1-    090108 291  0.1-  0.2-    090108 H36  0.3+  0.3+

Ephemeris:
2009 AL15                a,e,i = 1.27, 0.13, 17                  q = 1.1060
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2009 01 09    08 31.84   +16 35.3    0.304    1.276   162.4    13.4    20.1
2009 01 19    08 14.51   +25 44.6    0.313    1.296   174.1     4.5    19.8
2009 01 29    07 56.29   +33 25.9    0.344    1.315   160.9    14.2    20.5
2009 02 08    07 42.26   +38 46.8    0.393    1.333   147.0    23.8    21.1
2009 02 18    07 35.54   +42 00.1    0.454    1.350   135.4    30.9    21.7

Timothy B. Spahr             (C) Copyright 2009 MPC           M.P.E.C. 2009-A46

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