• Processing (Info)

  • MPEC 2020-B102 : 2020 BL4

    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 2020-B101 Read MPEC 2020-B103


    M.P.E.C. 2020-B102                             Issued 2020 January 23, 17:18 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
    
                                    2020 BL4                                 
    
    
    Observations:
         K20B04L* C2020 01 19.35883 10 01 18.69 +37 34 12.5          22.6 GVEB102G96
         K20B04L  C2020 01 19.36409 10 01 17.35 +37 34 08.9          21.5 GVEB102G96
         K20B04L  C2020 01 19.36933 10 01 16.14 +37 34 06.3          21.9 GVEB102G96
         K20B04L  C2020 01 19.37459 10 01 14.85 +37 34 02.6          21.5 GVEB102G96
         K20B04L  C2020 01 19.39266410 01 09.86 +37 33 45.7          21.8 GVEB102H01
         K20B04L  C2020 01 19.39620810 01 09.00 +37 33 43.0          22.1 GVEB102H01
         K20B04L  C2020 01 19.40988910 01 05.68 +37 33 31.9          22.0 GVEB102H01
         K20B04L  C2020 01 19.41767510 01 03.80 +37 33 25.4          21.9 GVEB102H01
         K20B04L  C2020 01 19.47138 10 00 51.41 +37 32 41.9          21.9 GVEB102G96
         K20B04L  C2020 01 19.47300 10 00 51.05 +37 32 39.9          22.3 GVEB102G96
         K20B04L  C2020 01 19.47640 10 00 50.25 +37 32 37.0          21.8 GVEB102G96
         K20B04L  C2020 01 19.47803 10 00 49.84 +37 32 35.5          22.1 GVEB102G96
         K20B04L  C2020 01 23.38354 09 50 05.79 +36 44 55.6          22.0 GVEB102G96
         K20B04L  C2020 01 23.38498 09 50 05.46 +36 44 54.8          22.0 GVEB102G96
         K20B04L  C2020 01 23.38643 09 50 05.20 +36 44 54.0          21.9 GVEB102G96
         K20B04L  C2020 01 23.38788 09 50 04.89 +36 44 52.1          21.9 GVEB102G96
    
    Observer details:
    G96 Mt. Lemmon Survey.  Observers R. A. Kowalski, H. Groeller.  Measurers 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, K. W. Wierzchos.  1.5-m reflector + 10K 
       CCD.
    H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.  
        Measurer W. H. Ryan.  2.4-m f/8.9 Ritchey-Chretien + CCD.
    
    Orbital elements:
    2020 BL4                                                 Earth MOID = 0.0108 AU
    Epoch 2020 May 31.0 TT = JDT 2459000.5                  Pan
    M 127.62229              (2000.0)            P               Q
    n   0.69021587     Peri.  335.88473     +0.48991906     -0.87055063
    a   1.2680784      Node    84.75140     +0.80715971     +0.43301878
    e   0.2595532      Incl.    2.65072     +0.32935167     +0.23374416
    P   1.43           H   26.6           G   0.15           U   9
    Residuals in seconds of arc
    200119 G96  0.2+  0.5-    200119 H01  0.0   0.1+    200123 G96  0.3+  0.1-
    200119 G96  0.5-  0.5-    200119 H01  0.0   0.1+    200123 G96  0.2-  0.1+
    200119 G96  0.2+  0.5+    200119 G96  0.1-  0.0     200123 G96  0.1+  0.4+
    200119 G96  0.1+  0.4+    200119 G96  0.1+  0.4-    200123 G96  0.2-  0.4-
    200119 H01  0.0   0.1+    200119 G96  0.2+  0.1-
    200119 H01  0.0   0.2+    200119 G96  0.1-  0.0
    
    Ephemeris:
    2020 BL4                 a,e,i = 1.27, 0.26, 3                   q = 0.9389
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2019 12 24    18 30 48.7 -06 19 28   0.01745 0.9670    18.0   161.6    29.3
    ...
    2020 01 08    11 01 35.3 +40 35 03   0.03538 1.0059   129.0    49.5    21.2
    ...
    2020 01 16    10 13 01.2 +38 19 06   0.05838 1.0316   144.4    33.7    21.9
    ...
    2020 01 22    09 53 39.7 +37 01 22   0.07683 1.0527   152.3    25.8    22.3
    2020 01 23    09 51 03.7 +36 49 22   0.08003 1.0563   153.4    24.7    22.4
    2020 01 24    09 48 35.9 +36 37 30   0.08327 1.0600   154.4    23.7    22.4
    ...
    2020 01 30    09 36 11.1 +35 27 14   0.1037  1.0826   159.3    18.7    22.8
    ...
    2020 02 07    09 24 41.2 +33 51 52   0.1338  1.1139   161.7    16.1    23.3
    ...
    2020 02 22    09 14 47.0 +30 44 04   0.2016  1.1749   155.1    20.8    24.5
    
    A. U. Tomatic                (C) Copyright 2020 MPC           M.P.E.C. 2020-B102
    


    Read MPEC 2020-B101 Read MPEC 2020-B103


    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)