• MPC Preparation (Info)

  • MPEC 2009-H26 : 2009 HA21

    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-H25 Read MPEC 2009-H27


    M.P.E.C. 2009-H26                                Issued 2009 Apr. 21, 17:37 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 HA21
    
    Observations:
         K09H21A* C2009 04 20.24948 13 44 44.66 -09 43 12.4          20.8 V EH026G96
         K09H21A  C2009 04 20.25632 13 44 43.58 -09 43 04.1          20.0 V EH026G96
         K09H21A  C2009 04 20.26318 13 44 42.50 -09 42 55.9          20.9 V EH026G96
         K09H21A  C2009 04 20.27006 13 44 41.35 -09 42 47.5          20.7 V EH026G96
         K09H21A  C2009 04 20.27856 13 44 39.94 -09 42 37.5          20.8 V EH026G96
         K09H21A  C2009 04 20.27943 13 44 39.80 -09 42 36.6          21.2 V EH026G96
         K09H21A  C2009 04 20.28028 13 44 39.66 -09 42 35.9          20.9 V EH026G96
         K09H21A  C2009 04 20.28101 13 44 39.55 -09 42 34.8          21.1 V EH026G96
         K09H21A  C2009 04 20.32932 13 44 31.60 -09 41 38.2          20.4 R EH026H01
         K09H21A  C2009 04 20.33487 13 44 30.69 -09 41 31.7          20.3 R EH026H01
         K09H21A  C2009 04 20.34014 13 44 29.83 -09 41 25.4          20.3 R EH026H01
         K09H21A  C2009 04 20.34640 13 44 28.81 -09 41 18.0          20.3 R EH026H01
         K09H21A  C2009 04 21.19668 13 42 16.48 -09 24 46.0          22.1 V EH026G96
         K09H21A  C2009 04 21.19949 13 42 15.98 -09 24 43.4          21.2 V EH026G96
         K09H21A  C2009 04 21.20226 13 42 15.58 -09 24 40.0          20.7 V EH026G96
         K09H21A  C2009 04 21.20501 13 42 15.12 -09 24 37.4          20.5 V EH026G96
    
    Observer details:
    G96 Mt. Lemmon Survey.  Observers A. R. Gibbs, A. Boattini.  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.
    
    Orbital elements:
    2009 HA21                                           PHA, Earth MOID = 0.0468 AU
    Epoch 2009 June 18.0 TT = JDT 2455000.5                 MPC
    M 104.80680              (2000.0)            P               Q
    n   0.61307035     Peri.  218.82086     +0.43685324     -0.89841334
    a   1.3723425      Node   205.36987     +0.84921514     +0.42835026
    e   0.6948727      Incl.    6.01035     +0.29663597     +0.09679627
    P   1.61           H   20.5           G   0.15           U   9
    Residuals in seconds of arc
    090420 G96  0.6-  0.4-    090420 G96  0.0   0.1-    090421 G96  0.4+  0.5+
    090420 G96  0.0   0.1-    090420 G96  0.1+  0.1+    090421 G96  0.4-  0.1-
    090420 G96  0.6+  0.0     090420 H01  0.0   0.0     090421 G96  0.2+  0.1+
    090420 G96  0.2+  0.3+    090420 H01  0.0   0.1-    090421 G96  0.2-  0.5-
    090420 G96  0.1-  0.3+    090420 H01  0.0   0.0
    090420 G96  0.0   0.2+    090420 H01  0.0   0.0
    
    Ephemeris:
    2009 HA21                a,e,i = 1.37, 0.69, 6                   q = 0.4187
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2009 04 19    13 48.11   -10 08.0    0.635    1.639   179.0     0.6    20.7
    2009 04 20    13 45.41   -09 48.0    0.643    1.647   177.8     1.3    20.8
    2009 04 21    13 42.78   -09 28.4    0.651    1.655   176.2     2.3    20.9
    2009 04 22    13 40.22   -09 09.4    0.660    1.663   174.6     3.3    21.0
    2009 04 23    13 37.75   -08 50.8    0.669    1.671   172.9     4.3    21.1
    2009 04 24    13 35.35   -08 32.7    0.678    1.679   171.3     5.2    21.2
    2009 04 25    13 33.04   -08 15.2    0.688    1.687   169.7     6.1    21.3
    2009 04 26    13 30.80   -07 58.2    0.698    1.695   168.1     7.0    21.4
    2009 04 27    13 28.64   -07 41.8    0.708    1.703   166.5     7.9    21.5
    2009 04 28    13 26.56   -07 25.9    0.718    1.710   165.0     8.8    21.5
    2009 04 29    13 24.57   -07 10.6    0.729    1.718   163.5     9.6    21.6
    2009 04 30    13 22.65   -06 55.8    0.739    1.726   161.9    10.4    21.7
    2009 05 01    13 20.80   -06 41.6    0.750    1.733   160.5    11.2    21.8
    2009 05 02    13 19.04   -06 27.9    0.762    1.741   159.0    12.0    21.8
    2009 05 03    13 17.35   -06 14.8    0.773    1.748   157.6    12.7    21.9
    2009 05 04    13 15.74   -06 02.2    0.785    1.755   156.1    13.4    22.0
    2009 05 05    13 14.20   -05 50.2    0.797    1.763   154.8    14.1    22.0
    2009 05 06    13 12.74   -05 38.7    0.809    1.770   153.4    14.8    22.1
    2009 05 07    13 11.35   -05 27.8    0.822    1.777   152.0    15.5    22.2
    2009 05 08    13 10.02   -05 17.3    0.834    1.784   150.7    16.1    22.2
    2009 05 09    13 08.77   -05 07.4    0.847    1.791   149.4    16.7    22.3
    
    Timothy B. Spahr             (C) Copyright 2009 MPC           M.P.E.C. 2009-H26
    

    Read MPEC 2009-H25 Read MPEC 2009-H27


    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)