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Minor Planet Center

MPEC 2009-Y06 : 2009 XH8

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M.P.E.C. 2009-Y06                                Issued 2009 Dec. 16, 15:11 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 XH8

Observations:
     K09X08H* C2009 12 15.18758 02 36 45.18 +14 58 15.7          20.1 V EY006G96
     K09X08H  C2009 12 15.19432 02 36 46.72 +14 58 44.5          19.9 V EY006G96
     K09X08H  C2009 12 15.20108 02 36 48.27 +14 59 13.8          19.6 V EY006G96
     K09X08H  C2009 12 15.20806 02 36 49.82 +14 59 45.0          19.9 V EY006G96
     K09X08H  C2009 12 15.25109 02 36 59.81 +15 02 49.0          20.2 V EY006G96
     K09X08H  C2009 12 15.26634 02 37 03.40 +15 03 54.5          20.6 V EY006G96
     K09X08H  C2009 12 15.28058 02 37 06.74 +15 04 55.5          20.7 V EY006G96
     K09X08H  C2009 12 15.30148 02 37 11.64 +15 06 24.8          19.4 V EY006G96
     K09X08H  C2009 12 15.30395 02 37 12.28 +15 06 35.7          19.6 V EY006G96
     K09X08H  C2009 12 15.30641 02 37 12.79 +15 06 46.4          21.0 V EY006G96
     K09X08H  C2009 12 15.30887 02 37 13.44 +15 06 55.8          20.8 V EY006G96
     K09X08H KC2009 12 16.15518702 40 57.95 +16 08 22.1          20.3 V EY006H21
     K09X08H KC2009 12 16.15830502 40 58.75 +16 08 36.0          19.7 V EY006H21
     K09X08H KC2009 12 16.16136602 40 59.49 +16 08 48.6          20.0 V EY006H21
     K09X08H  C2009 12 16.21237 02 41 13.38 +16 12 41.2          20.2 V EY006G96
     K09X08H  C2009 12 16.21526 02 41 14.10 +16 12 53.6          20.1 V EY006G96
     K09X08H  C2009 12 16.21822 02 41 14.78 +16 13 06.7          20.1 V EY006G96
     K09X08H  C2009 12 16.22123 02 41 15.54 +16 13 19.8          19.8 V EY006G96
     K09X08H  C2009 12 16.25705 02 41 24.00 +16 15 53.4          19.8 R EY006H01
     K09X08H  C2009 12 16.26118 02 41 25.01 +16 16 11.2          19.6 R EY006H01
     K09X08H  C2009 12 16.26535 02 41 26.04 +16 16 29.4          19.6 R EY006H01
     K09X08H  C2009 12 16.26970 02 41 27.11 +16 16 48.2          19.6 R EY006H01

Observer details:
G96 Mt. Lemmon Survey.  Observers A. D. Grauer, 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.  Observer W. H. Ryan.  2.4-m f/8.9
    reflector + CCD.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurer S. Foglia.

Orbital elements:
2009 XH8                                                 Earth MOID = 0.0916 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5                  MPC
M   6.04773              (2000.0)            P               Q
n   0.33473033     Peri.    1.43670     +0.15926152     -0.98366773
a   2.0543416      Node    79.40448     +0.90491866     +0.11149404
e   0.4762330      Incl.    4.89449     +0.39466187     +0.14130420
P   2.94           H   23.1           G   0.15           U   8
Residuals in seconds of arc
091215 G96  0.2+  0.1+    091215 G96  0.5+  0.3+    091216 G96  0.1-  0.1-
091215 G96  0.0   0.2-    091215 G96  0.6-  0.5+    091216 G96  0.3+  0.1-
091215 G96  0.0   0.1-    091215 G96  0.3+  0.6-    091216 H01  0.2-  0.2+
091215 G96  0.8-  0.9+    091216 H21  0.3-  0.1+    091216 H01  0.2-  0.1+
091215 G96  0.1-  0.3-    091216 H21  0.3+  0.4+    091216 H01  0.2-  0.3+
091215 G96  0.4+  0.1-    091216 H21  0.2+  0.3-    091216 H01  0.2-  0.2+
091215 G96  0.3+  0.1-    091216 G96  0.0   0.1-
091215 G96  0.3-  0.1-    091216 G96  0.4+  0.3-

Ephemeris:
2009 XH8                 a,e,i = 2.05, 0.48, 5                   q = 1.0760
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2009 12 15    02 35.95   +14 45.1    0.119    1.076   138.3    37.5    20.2
2009 12 25    03 27.82   +26 55.3    0.119    1.080   142.4    33.7    20.0
2010 01 04    04 34.65   +36 33.5    0.132    1.096   146.2    30.0    20.2
2010 01 14    05 42.21   +41 13.0    0.160    1.122   148.0    27.7    20.6
2010 01 24    06 37.53   +41 52.4    0.200    1.159   148.1    26.7    21.1
2010 02 03    07 18.42   +40 26.9    0.251    1.203   146.8    26.6    21.7
2010 02 13    07 48.58   +38 09.9    0.312    1.254   144.3    27.4    22.3

Sonia Keys                   (C) Copyright 2009 MPC           M.P.E.C. 2009-Y06

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