• MPC Preparation (Info)

  • MPEC 2010-H65 : 2010 HW20

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    M.P.E.C. 2010-H65                                Issued 2010 Apr. 26, 16:24 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 HW20
    
    Observations:
         K10H20W* C2010 04 25.43494 16 11 25.36 +01 59 59.2          20.2 V EH065G96
         K10H20W  C2010 04 25.44113 16 11 21.44 +01 58 19.4          20.0 V EH065G96
         K10H20W  C2010 04 25.44733 16 11 17.44 +01 56 39.4          20.1 V EH065G96
         K10H20W  C2010 04 25.45348 16 11 13.52 +01 54 58.8          19.7 V EH065G96
         K10H20W  C2010 04 25.46369 16 11 06.97 +01 52 13.2          19.8 V EH065G96
         K10H20W  C2010 04 25.46417 16 11 06.68 +01 52 05.7          19.5 V EH065G96
         K10H20W  C2010 04 25.46465 16 11 06.36 +01 51 57.9          19.7 V EH065G96
         K10H20W  C2010 04 25.46514 16 11 06.10 +01 51 50.4          19.1 V EH065G96
         K10H20W  C2010 04 25.47151 16 11 01.20 +01 49 58.8          18.7 R EH065H01
         K10H20W  C2010 04 25.47648 16 10 58.08 +01 48 38.1          20.2 R EH065H01
         K10H20W  C2010 04 25.48353 16 10 54.44 +01 46 51.6          19.9 V EH065G96
         K10H20W  C2010 04 25.48451 16 10 53.79 +01 46 34.9          19.6 V EH065G96
         K10H20W  C2010 04 25.48501 16 10 53.43 +01 46 27.3          19.4 V EH065G96
         K10H20W  C2010 04 26.31502 16 03 38.30 -02 03 28.0          19.3 V EH065G96
         K10H20W  C2010 04 26.31553 16 03 37.94 -02 03 36.6          19.5 V EH065G96
         K10H20W  C2010 04 26.31605 16 03 37.58 -02 03 46.0          19.2 V EH065G96
         K10H20W  C2010 04 26.31659 16 03 37.22 -02 03 54.9          19.1 V EH065G96
         K10H20W  C2010 04 26.31711 16 03 36.93 -02 04 03.1          19.2 V EH065G96
         K10H20W  C2010 04 26.43641 16 02 15.79 -02 37 55.1          19.2 V EH065G96
         K10H20W  C2010 04 26.43696 16 02 15.43 -02 38 04.3          19.4 V EH065G96
         K10H20W  C2010 04 26.43749 16 02 15.07 -02 38 13.7          19.4 V EH065G96
         K10H20W  C2010 04 26.43802 16 02 14.74 -02 38 22.4          19.7 V EH065G96
    
    Observer details:
    G96 Mt. Lemmon Survey.  Observer A. Boattini.  Measurers J. D. Ahern,
        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.
    
    Orbital elements:
    2010 HW20                                                Earth MOID = 0.0109 AU
    Epoch 2010 July 23.0 TT = JDT 2455400.5                 MPC
    M 197.70729              (2000.0)            P               Q
    n   0.97399435     Peri.   59.36177     -0.14796052     -0.98482360
    a   1.0079332      Node    39.47146     +0.85152052     -0.17351121
    e   0.0504019      Incl.    8.20473     +0.50301141     +0.00404234
    P   1.01           H   26.1           G   0.15           U   6
    Residuals in seconds of arc
    100425 G96  0.9-  0.6-    100425 H01  0.2+  0.1+    100426 G96  0.2-  0.3-
    100425 G96  0.0   0.1-    100425 H01  0.3+  0.2+    100426 G96  0.7+  0.3+
    100425 G96  0.2-  0.5+    100425 G96  0.6+  0.4+    100426 G96  0.3-  0.1+
    100425 G96  0.1+  0.4-    100425 G96  0.1+  0.3-    100426 G96  0.1-  0.3+
    100425 G96  0.2-  0.3-    100425 G96  0.5-  0.2+    100426 G96  0.1-  0.1-
    100425 G96  0.0   0.0     100426 G96  0.2+  0.1-    100426 G96  0.3+  0.2+
    100425 G96  0.2-  0.0     100426 G96  0.1-  0.0
    100425 G96  0.6+  0.4+    100426 G96  0.2-  0.6-
    
    Ephemeris:
    2010 HW20                a,e,i = 1.01, 0.05, 8                   q = 0.9571
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2010 04 24    16 23.67   +08 10.8    0.0281   1.027   139.8    39.2    20.0
    2010 04 29    15 36.52   -15 08.9    0.0254   1.031   162.5    17.1    19.1
    2010 05 04    14 37.24   -37 15.9    0.0286   1.035   158.5    20.9    19.5
    2010 05 09    13 34.00   -50 32.3    0.0363   1.038   142.3    36.5    20.5
    2010 05 14    12 39.08   -56 47.2    0.0462   1.042   131.2    46.9    21.3
    2010 05 19    11 58.88   -59 32.1    0.0572   1.045   123.9    53.5    21.9
    2010 05 24    11 32.27   -60 48.6    0.0685   1.047   118.9    57.8    22.5
    
    Sonia Keys                   (C) Copyright 2010 MPC           M.P.E.C. 2010-H65
    

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