• MPC Preparation (Info)

  • MPEC 2018-K60 : 2015 MD131

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    M.P.E.C. 2018-K60                                Issued 2018 May 21, 19:45 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
    
                                      2015 MD131
    
    Additional Observations:
         K15MD1D |C2018 05 20.21974 14 54 54.48 -27 02 04.4          23.0 GUEK060807
         K15MD1D |C2018 05 20.22746 14 54 53.89 -27 02 03.0          23.1 GUEK060807
         K15MD1D |C2018 05 20.23620 14 54 53.15 -27 02 00.7          22.8 GUEK060807
         K15MD1D |C2018 05 20.24371 14 54 52.54 -27 01 58.8          22.8 GUEK060807
         K15MD1D |C2018 05 21.15510 14 53 40.27 -26 58 32.0          22.3 GUEK060807
         K15MD1D |C2018 05 21.17049 14 53 39.01 -26 58 28.5          22.4 GUEK060807
         K15MD1D |C2018 05 21.18586 14 53 37.76 -26 58 25.0          22.4 GUEK060807
    
    Observer details:
    807 Cerro Tololo.  Observers T. Linder, R. Holmes.  1.00-m f/10.0 astrograph
        + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc, reference and Delta-T
    180520 807  3.7+  1.4-    180521 807  4.0+  1.9-    MPO369260   -0.0043 day
    
    Orbital elements:
    2015 MD131                                               Earth MOID = 0.1776 AU
    Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
    M 266.94197              (2000.0)            P               Q
    n   0.28124743     Peri.    0.93049     +0.99765476     -0.06806774
    a   2.3071562      Node     3.00104     +0.06187772     +0.85197387
    e   0.4881561      Incl.    7.89886     +0.02925970     +0.51914093
    P   3.50           H   19.3           G   0.15           U   1
    Residuals in seconds of arc
    150622 F51  0.1+  0.2+    151204 033  0.3+  0.2-    151210 G96  0.1+  0.0
    150622 F51  0.2-  0.0     151204 033  0.1-  0.2-    151210 G96  0.1+  0.1-
    150623 568  0.1+  0.4-    151204 033  0.1-  0.3-    151231 G96  0.0   0.1+
    150623 568  0.0   0.3-    151204 033  0.0   0.1-    151231 G96  0.0   0.2+
    150623 568  0.0   0.4-    151204 033  0.1+  0.1-    151231 G96  0.1-  0.2+
    150624 W86  0.3+  0.3-    151204 033  0.1+  0.0     151231 G96  0.2+  0.7+
    150624 W86  0.1+  0.4-    151205 033  0.1+  0.2+    180520 807  0.2-  0.4+
    150624 W86  0.0   0.2-    151205 033  0.1+  0.0     180520 807  0.4+  0.0
    150722 291  0.4-  0.2+    151205 568  0.1-  0.1-    180520 807  0.0   0.3+
    150722 291  0.3+  0.4+    151205 568  0.0   0.1-    180520 807  0.1+  0.5+
    150722 291  0.1-  0.1-    151205 568  0.1-  0.1-    180521 807  0.1+  0.1+
    151203 F51  0.0   0.1+    151206 926  0.7-  0.0     180521 807  0.1+  0.0
    151203 F51  0.0   0.2-    151206 926  0.0   0.4-    180521 807  0.1+  0.1-
    151203 F51  0.1+  0.0     151210 G96  0.3-  0.2+
    151203 F51  0.0   0.2+    151210 G96  0.3-  0.3+
    
    Ephemeris:
    2015 MD131               a,e,i = 2.31, 0.49, 8                   q = 1.1809
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2018 04 21    15 30 36.8 -27 45 28   1.7812  2.7110   152.2     9.9    23.4
    ...
    2018 05 06    15 13 44.5 -27 40 25   1.6497  2.6436   167.5     4.7    22.9
    ...
    2018 05 14    15 03 14.4 -27 22 42   1.6049  2.6063   170.1     3.8    22.8
    ...
    2018 05 20    14 55 12.2 -27 02 55   1.5834  2.5777   166.4     5.3    22.8
    2018 05 21    14 53 52.6 -26 59 08   1.5808  2.5729   165.4     5.7    22.8
    2018 05 22    14 52 33.5 -26 55 15   1.5785  2.5681   164.5     6.1    22.8
    ...
    2018 05 28    14 44 53.1 -26 29 43   1.5703  2.5389   158.1     8.6    22.9
    ...
    2018 06 05    14 35 38.2 -25 51 46   1.5738  2.4991   149.1    12.0    23.0
    ...
    2018 06 20    14 22 57.8 -24 40 47   1.6184  2.4221   132.3    18.1    23.2
    
    A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-K60
    

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