• MPC Preparation (Info)

  • MPEC 2012-J47 : 2012 JR4

    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 2012-J46 Read MPEC 2012-J48


    M.P.E.C. 2012-J47                                Issued 2012 May 14, 19:18 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.net/    ISSN 1523-6714
    
                                       2012 JR4
    
    Observations:
         K12J04R* C2012 05 13.36006 15 09 55.15 -08 18 49.5          20.5 VrEJ047G96
         K12J04R  C2012 05 13.36531 15 09 53.96 -08 19 20.8          20.8 VrEJ047G96
         K12J04R  C2012 05 13.37054 15 09 52.81 -08 19 51.4          20.8 VrEJ047G96
         K12J04R  C2012 05 13.37581 15 09 51.66 -08 20 23.0          20.9 VrEJ047G96
         K12J04R  C2012 05 13.41419 15 09 43.12 -08 24 09.7          20.7 VrEJ047G96
         K12J04R  C2012 05 13.41696 15 09 42.50 -08 24 26.5          20.7 VrEJ047G96
         K12J04R  C2012 05 13.41973 15 09 41.88 -08 24 42.8          20.7 VrEJ047G96
         K12J04R  C2012 05 13.42251 15 09 41.25 -08 24 59.6          20.9 VrEJ047G96
         K12J04R mC2012 05 13.42687 15 09 40.32 -08 25 25.3                oEJ047291
         K12J04R mC2012 05 13.42783 15 09 40.09 -08 25 30.8                oEJ047291
         K12J04R mC2012 05 13.42879 15 09 39.87 -08 25 36.4                oEJ047291
         K12J04R KC2012 05 13.99139 15 07 47.74 -09 21 21.6                uEJ047J95
         K12J04R KC2012 05 14.00229 15 07 45.42 -09 22 26.1                uEJ047J95
         K12J04R KC2012 05 14.03081 15 07 39.20 -09 25 13.9          20.6 RuEJ047J95
         K12J04R KC2012 05 14.23000 15 06 59.94 -09 44 37.2          20.3 RuEJ047H36
         K12J04R KC2012 05 14.24934 15 06 55.60 -09 46 30.1          20.2 RuEJ047H36
         K12J04R KC2012 05 14.25894 15 06 53.44 -09 47 26.4          20.5 RuEJ047H36
         K12J04R  C2012 05 14.31421 15 06 41.90 -09 52 46.2          21.9 VrEJ047G96
         K12J04R  C2012 05 14.32003 15 06 40.68 -09 53 19.9          20.5 VrEJ047G96
         K12J04R  C2012 05 14.32582 15 06 39.38 -09 53 53.7          20.9 VrEJ047G96
         K12J04R  C2012 05 14.33165 15 06 38.05 -09 54 27.5          20.8 VrEJ047G96
    
    Observer details:
    291 LPL/Spacewatch II.  Observer R. S. McMillan.  1.8-m f/2.7 reflector + CCD.
    G96 Mt. Lemmon Survey.  Observer A. D. Grauer.  Measurers E. C. Beshore,
        A. Boattini, A. R. Gibbs, A. D. Grauer, R. E. Hill, R. A. Kowalski,
        S. M. Larson, R. H. McNaught.  1.5-m reflector + CCD.
    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:
    2012 JR4                                                 Earth MOID = 0.1419 AU
    Epoch 2012 Mar. 14.0 TT = JDT 2456000.5                 MPC
    M   5.97070              (2000.0)            P               Q
    n   0.69940767     Peri.  114.04607     -0.95790359     -0.18072743
    a   1.2569436      Node    56.26437     +0.03993111     -0.85330886
    e   0.1407515      Incl.   15.55920     +0.28429951     -0.48908240
    P   1.41           H   24.1           G   0.15           U   8
    Residuals in seconds of arc
    120513 G96  0.2+  0.0     120513 G96  0.1-  0.1-    120514 H36  1.1+  0.4-
    120513 G96  0.0   0.1-    120513 291  0.1-  0.3-    120514 H36  0.4+  0.2+
    120513 G96  0.3+  0.3+    120513 291  0.4-  0.2-    120514 H36  0.0   0.2+
    120513 G96  0.7+  0.0     120513 291  0.5-  0.1-    120514 G96  0.9-  0.4-
    120513 G96  0.4+  0.6+    120513 J95  0.7-  0.3+    120514 G96  0.2+  0.1-
    120513 G96  0.3+  0.2+    120514 J95  0.2+  0.1-    120514 G96  0.1+  0.0
    120513 G96  0.1+  0.2+    120514 J95  0.4+  0.1-    120514 G96  0.3-  0.2+
    
    Ephemeris:
    2012 JR4                 a,e,i = 1.26, 0.14, 16                  q = 1.0800
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2012 04 14    16 35 16.4 +31 04 16   0.1846  1.1068   119.9    51.8    22.6
    ...
    2012 04 29    15 58 46.5 +15 09 21   0.1491  1.1291   142.6    32.8    21.6
    ...
    2012 05 07    15 32 02.3 +02 28 53   0.1424  1.1430   158.8    18.6    21.1
    ...
    2012 05 13    15 11 10.4 -07 42 17   0.1460  1.1542   169.1     9.5    20.9
    2012 05 14    15 07 46.2 -09 21 16   0.1474  1.1561   169.9     8.8    20.9
    2012 05 15    15 04 24.7 -10 58 30   0.1490  1.1580   170.2     8.5    20.9
    ...
    2012 05 21    14 45 38.5 -19 51 42   0.1630  1.1699   164.4    13.4    21.3
    ...
    2012 05 29    14 26 00.8 -28 59 33   0.1914  1.1864   152.3    23.4    22.0
    ...
    2012 06 13    14 09 09.0 -39 07 44   0.2644  1.2185   135.6    35.7    23.1
    
    A. U. Tomatic                (C) Copyright 2012 MPC           M.P.E.C. 2012-J47
    

    Read MPEC 2012-J46 Read MPEC 2012-J48


    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)