• MPC Preparation (Info)

  • MPEC 2019-J43 : 2019 JR1

    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 2019-J42 Read MPEC 2019-J44


    M.P.E.C. 2019-J43                                Issued 2019 May 4, 20:02 UT
    
         The Minor Planet Electronic Circulars contain information on unusual
             minor planets and routine data on comets.  They are published
        on behalf of Division F 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
    
                                       2019 JR1
    
    Observations:
         K19J01R  C2019 05 02.35234113 42 24.342-17 23 37.91         20.3 GVEJ043F51
         K19J01R* C2019 05 02.37476 13 42 16.816-17 24 28.40         20.5 wUEJ043F51
         K19J01R  C2019 05 02.38598 13 42 13.032-17 24 53.56         20.6 wUEJ043F51
         K19J01R |C2019 05 03.09440 13 38 31.70 -17 50 51.3          20.0 VuEJ043807
         K19J01R |C2019 05 03.09811 13 38 30.37 -17 51 00.6          20.2 VuEJ043807
         K19J01R |C2019 05 03.10182 13 38 29.04 -17 51 09.3          20.0 VuEJ043807
         K19J01R KC2019 05 03.32941113 37 15.51 -17 59 49.7          20.2 GVEJ043474
         K19J01R KC2019 05 03.33365913 37 14.00 -18 00 00.5          20.2 GVEJ043474
         K19J01R KC2019 05 03.33790713 37 12.53 -18 00 11.0          20.4 GVEJ043474
         K19J01R KC2019 05 03.34215513 37 10.99 -18 00 21.7          20.2 GVEJ043474
         K19J01R  C2019 05 04.17943 13 32 14.68 -18 37 37.5          20.1 GVEJ043I52
         K19J01R  C2019 05 04.17985 13 32 14.54 -18 37 39.0          20.0 GVEJ043I52
         K19J01R  C2019 05 04.18027 13 32 14.36 -18 37 39.8          21.1 GVEJ043I52
         K19J01R KC2019 05 04.24766 13 31 47.12 -18 40 41.3          20.8 RoEJ043691
         K19J01R KC2019 05 04.25225 13 31 45.25 -18 40 53.3          20.4 RoEJ043691
         K19J01R KC2019 05 04.25684 13 31 43.40 -18 41 05.6          20.0 RoEJ043691
    
    Observer details:
    474 Mount John Observatory, Lake Tekapo.  Observers A. C. Gilmore,
        P. M. Kilmartin.  Measurer P. M. Kilmartin.  1.0-m f/7.7 reflector + CCD.
    691 Steward Observatory, Kitt Peak-Spacewatch.  Observer M. T. Read.  0.9-m
        f/3 reflector + CCD.
    807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes.
        0.61-m f/6.5 astrograph + CCD.
    F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, K. Chambers, T. Lowe,
        E. Magnier, A. Schultz, M. Willman.  Measurers S. Chastel, M. Huber,
        Y. Ramanjooloo, R. Wainscoat, R. Weryk, K. Chambers, T. de Boer,
        L. Denneau, J. Fairlamb, H. Flewelling, C.-C. Lin, E. Magnier.  1.8-m
        Ritchey-Chretien + CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  Observer H. Groeller.
        Measurers B. M. Africano, E. J. Christensen, G. A. Farneth, D. C. Fuls,
        A. R. Gibbs, A. D. Grauer, H. Groeller, R. A. Kowalski, S. M. Larson,
        G. J. Leonard, T. A. Pruyne, D. Rankin, R. L. Seaman, F. C. Shelly.
        1.0-m reflector + CCD.
    
    Orbital elements:
    2019 JR1                                                 Earth MOID = 0.0244 AU
    Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
    M 312.82408              (2000.0)            P               Q
    n   0.63476747     Peri.  273.32335     +0.58580652     +0.80936410
    a   1.3408893      Node    32.65204     -0.70927283     +0.53703468
    e   0.3837509      Incl.    4.46021     -0.39212598     +0.23774671
    P   1.55           H   24.4           G   0.15           U   7
    Residuals in seconds of arc
    190502 F51  0.0   0.0     190503 474  0.1-  0.1-    190504 I52  0.2+  0.3+
    190502 F51  0.0   0.0     190503 474  0.3-  0.1-    190504 691  0.2-  0.2-
    190502 F51  0.1-  0.0     190503 474  0.1+  0.1+    190504 691  0.2-  0.0
    190503 807  0.2+  0.0     190503 474  0.4-  0.2+    190504 691  0.2+  0.1-
    190503 807  0.2+  0.3-    190504 I52  0.0   0.3+
    190503 807  0.2+  0.0     190504 I52  0.4+  0.0
    
    Ephemeris:
    2019 JR1                 a,e,i = 1.34, 0.38, 4                   q = 0.8263
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2019 04 04    14 30 49.1 -10 21 05   0.3066  1.2838   154.6    19.5    23.4
    ...
    2019 04 19    14 19 58.1 -12 28 15   0.1908  1.1932   171.4     7.2    21.7
    ...
    2019 04 27    14 03 06.5 -14 45 53   0.1377  1.1439   176.8     2.8    20.7
    ...
    2019 05 03    13 39 00.8 -17 47 26   0.1019  1.1069   165.6    13.1    20.4
    2019 05 04    13 33 18.2 -18 28 38   0.09626 1.1007   163.3    15.2    20.4
    2019 05 05    13 26 53.5 -19 14 00   0.09077 1.0946   160.9    17.6    20.3
    ...
    2019 05 11    12 24 18.3 -25 39 16   0.06115 1.0581   141.0    36.9    20.0
    ...
    2019 05 19    08 36 20.8 -32 09 37   0.04158 1.0106    87.5    90.1    20.7
    ...
    2019 06 03    04 22 50.5 -06 55 54   0.09910 0.9293    29.5   147.5    27.2
    
    A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-J43
    

    Read MPEC 2019-J42 Read MPEC 2019-J44


    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)