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  • MPEC 2010-G74 : 2010 GW23

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    M.P.E.C. 2010-G74                                Issued 2010 Apr. 10, 17:07 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 https://www.minorplanetcenter.org/iau/mpc.html  ISSN 1523-6714
    
                                       2010 GW23
    
    Observations:
         K10G23W* C2010 04 09.24331 13 52 22.77 -06 52 23.4          21.1 V EG074691
         K10G23W  C2010 04 09.26092 13 52 20.19 -06 51 48.3          21.3 V EG074691
         K10G23W  C2010 04 09.27853 13 52 17.70 -06 51 15.0          20.9 V EG074691
         K10G23W  C2010 04 09.30898 13 52 13.22 -06 50 15.5          20.9 V EG074291
         K10G23W  C2010 04 09.31562 13 52 12.26 -06 50 02.6          20.8 V EG074291
         K10G23W  C2010 04 09.31931 13 52 11.72 -06 49 55.5          20.8 V EG074291
         K10G23W  C2010 04 09.33305 13 52 09.46 -06 49 30.7          20.6 R EG074H01
         K10G23W  C2010 04 09.33914013 52 07.52 -06 49 22.5          20.2 V EG074H21
         K10G23W  C2010 04 09.34378 13 52 07.88 -06 49 09.6          20.5 R EG074H01
         K10G23W  C2010 04 09.34569413 52 06.60 -06 49 09.9          20.3 V EG074H21
         K10G23W  C2010 04 09.35231013 52 05.66 -06 48 57.2          20.5 V EG074H21
         K10G23W  C2010 04 09.35430 13 52 06.35 -06 48 49.2          20.2 R EG074H01
         K10G23W  C2010 04 09.36139 13 52 05.32 -06 48 35.4          19.9 R EG074H01
         K10G23W  C2010 04 09.42681 13 51 56.12 -06 46 25.3          20.4 R EG074926
         K10G23W  C2010 04 09.43091 13 51 55.62 -06 46 16.8          19.4 R EG074926
         K10G23W KC2010 04 10.07178 13 50 40.24 -06 26 40.7                 EG074J95
         K10G23W KC2010 04 10.08178 13 50 38.83 -06 26 22.4                 EG074J95
         K10G23W KC2010 04 10.10001 13 50 36.48 -06 25 49.2          20.8 R EG074J95
         K10G23W  C2010 04 10.22674 13 50 24.79 -06 21 50.6          20.0 R EG074H01
         K10G23W  C2010 04 10.23421 13 50 23.80 -06 21 37.6          20.0 R EG074H01
         K10G23W  C2010 04 10.24057 13 50 22.95 -06 21 26.3          20.1 R EG074H01
         K10G23W  C2010 04 10.24696 13 50 22.11 -06 21 15.1          20.0 R EG074H01
         K10G23W  C2010 04 10.25128 13 50 21.78 -06 21 04.7          19.9 R EG074926
         K10G23W  C2010 04 10.26088 13 50 20.50 -06 20 48.6          20.2 R EG074926
         K10G23W  C2010 04 10.32438 13 50 11.99 -06 18 57.5          20.8 V EG074291
         K10G23W  C2010 04 10.32856 13 50 11.41 -06 18 50.2          20.8 V EG074291
         K10G23W KC2010 04 10.32948 13 50 10.45 -06 18 54.6          20.0 R EG074H36
         K10G23W  C2010 04 10.33253 13 50 10.88 -06 18 43.3          20.5 V EG074291
         K10G23W KC2010 04 10.33544 13 50 09.60 -06 18 43.4          20.8 R EG074H36
         K10G23W KC2010 04 10.34139 13 50 08.81 -06 18 32.4          20.8 R EG074H36
         K10G23W  C2010 04 10.42723 13 49 58.28 -06 15 57.0          20.8 V EG074291
         K10G23W  C2010 04 10.43108 13 49 57.79 -06 15 50.5          20.7 V EG074291
         K10G23W  C2010 04 10.43482 13 49 57.33 -06 15 44.1          20.8 V EG074291
    
    Observer details:
    291 LPL/Spacewatch II.  Observer T. H. Bressi.  1.8-m f/2.7 reflector + CCD.
    691 Steward Observatory, Kitt Peak.  Observer T. H. Bressi.  0.9-m f/3
        reflector + CCD.
    926 Tenagra II Observatory.  Observers P. R. Holvorcem, M. Schwartz.  Measurer
        P. R. Holvorcem.  0.81-m f/7 Ritchey-Chretien + 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.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurer S. Foglia.
    H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m reflector + CCD.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
        + CCD.
    
    Orbital elements:
    2010 GW23                                                Earth MOID = 0.0147 AU
    Epoch 2010 July 23.0 TT = JDT 2455400.5                 MPC
    M  78.63099              (2000.0)            P               Q
    n   0.46660554     Peri.  283.84159     -0.45573840     -0.88993249
    a   1.6462765      Node   193.31473     +0.84382737     -0.42552879
    e   0.5138955      Incl.    4.47357     +0.28329823     -0.16415060
    P   2.11           H   23.9           G   0.15           U   8
    Residuals in seconds of arc
    100409 691  0.1+  0.7-    100409 H01  0.1-  0.0     100410 926  0.1+  0.8+
    100409 691  0.6-  0.3+    100409 H01  0.1-  0.0     100410 926  0.1+  0.0
    100409 691  0.4+  0.5-    100409 926  0.2+  1.0+    100410 291  0.1-  0.2+
    100409 291  0.2-  0.0     100409 926  1.4+  1.6+    100410 291  0.3-  0.1+
    100409 291  0.0   0.0     100410 J95  0.9+  0.3-    100410 H36  0.0   0.8-
    100409 291  0.0   0.0     100410 J95  0.6-  0.1-    100410 291  0.3-  0.1+
    100409 H01  0.2+  0.2-    100410 J95  0.1-  0.1+    100410 H36  1.0-  0.2-
    100409 H21  0.3-  0.0     100410 H01  0.1-  0.1+    100410 H36  1.0-  0.3+
    100409 H01  0.0   0.1+    100410 H01  0.1-  0.0     100410 291  0.2-  0.1-
    100409 H21  0.1-  0.2-    100410 H01  0.2-  0.2+    100410 291  0.0   0.3-
    100409 H21  0.1-  0.5-    100410 H01  0.1-  0.2+    100410 291  0.3+  0.5-
    
    Ephemeris:
    2010 GW23                a,e,i = 1.65, 0.51, 4                   q = 0.8003
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2010 04 04    14 06.64   -10 41.2    0.105    1.100   160.7    17.5    20.1
    2010 04 09    13 52.86   -06 59.8    0.140    1.140   169.3     9.4    20.5
    2010 04 14    13 44.20   -04 47.9    0.178    1.180   174.0     5.1    20.9
    2010 04 19    13 38.42   -03 26.1    0.217    1.220   172.2     6.5    21.5
    2010 04 24    13 34.61   -02 35.8    0.259    1.260   167.3    10.1    22.1
    2010 04 29    13 32.26   -02 07.1    0.304    1.300   162.3    13.6    22.7
    2010 05 04    13 31.09   -01 53.9    0.352    1.340   157.4    16.8    23.2
    
    Carl W. Hergenrother         (C) Copyright 2010 MPC           M.P.E.C. 2010-G74
    

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