• MPC Preparation (Info)

  • MPEC 2018-K61 : 2016 JN34

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    M.P.E.C. 2018-K61                                Issued 2018 May 21, 19:47 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
    
                                       2016 JN34
    
                               Revision to MPEC 2016-K09
    
    Additional Observations:
         K16J34N  C2018 05 16.51090418 21 36.643-31 22 02.79         20.68GVEK061T12
         K16J34N  C2018 05 16.51140618 21 36.622-31 22 05.53         20.79GVEK061T12
         K16J34N  C2018 05 16.51198018 21 36.594-31 22 08.73         20.93GVEK061T12
         K16J34N  C2018 05 16.51249718 21 36.558-31 22 11.56         20.74GVEK061T12
         K16J34N  C2018 05 16.51383118 21 36.502-31 22 18.97         20.72GVEK061T12
         K16J34N  C2018 05 17.58702418 20 49.812-33 02 33.01         20.15GVEK061T12
         K16J34N  C2018 05 17.58770718 20 49.780-33 02 36.90         20.49GVEK061T12
         K16J34N  C2018 05 17.58837218 20 49.738-33 02 40.74         20.08GVEK061T12
         K16J34N  C2018 05 17.58943718 20 49.677-33 02 46.84         20.03GVEK061T12
    
    Observer details:
    T12 Mauna Kea-UH/Tholen NEO Follow-Up (2.24-m).  Observers D. Hung,
        D. J. Tholen.  Measurer D. J. Tholen.  2.24-m f/10.1 reflector + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc, reference and Delta-T
    180516 T12  5.3-  4.4+    180517 T12  5.5-  4.5+    MPO394307   +0.00091 day
    
    Orbital elements:
    2016 JN34                                                Earth MOID = 0.3514 AU
    Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
    M 281.37102              (2000.0)            P               Q
    n   0.50500787     Peri.  267.76241     +0.61844479     +0.45693474
    a   1.5617228      Node    64.37748     -0.03003150     +0.82671712
    e   0.3012273      Incl.   45.15779     -0.78525419     +0.32825213
    P   1.95           H   20.4           G   0.15           U   2
    Residuals in seconds of arc
    160515 F51  0.1+  0.2+    160524 204  0.1+  0.5+    160607 474  0.2-  0.5+
    160515 F51  0.0   0.1+    160525 926  0.1-  0.4+    160622 807  0.2-  0.5-
    160515 F51  0.1-  0.0     160525 926  0.0   0.2+    160622 807  0.2-  0.5-
    160515 F51  0.0   0.2+    160525 926  0.1+  0.2+    160622 807  0.0   1.1-
    160516 691  1.0-  1.4-    160526 705  0.4-  0.4-    160628 807  0.1-  0.3+
    160516 691  0.1+  1.4-    160526 705  0.2+  0.3+    160628 807  0.0   0.5+
    160516 691  0.4+  0.8-    160526 705  0.9-  0.9-    160628 807  0.8-  0.0
    160516 705  0.3-  0.2+    160527 926  0.3+  0.1+    160709 474  1.6+  0.8+
    160516 705  0.2-  0.1-    160527 926  0.2+  0.9+    160709 474  0.4-  0.8-
    160516 705  0.1-  0.1+    160527 926  0.4-  0.4+    160709 474  0.5-  0.7-
    160516 926  0.3-  0.7-    160527 926  0.1+  0.0     161027 807  0.3-  0.0
    160516 926  0.5-  0.2+    160527 926  0.1+  0.1+    161027 807  0.4-  0.0
    160516 926  0.1+  0.4+    160527 926  0.2+  0.1+    161027 807  0.1+  0.1+
    160517 691  0.4-  1.2-    160529 926  1.5-  1.6+    161029 474  0.2-  0.4+
    160517 691  0.5+  0.4-    160529 926  0.2-  0.1+    161029 474  0.2-  0.3+
    160517 691  1.5+  0.6+    160529 926  0.2-  0.0     161029 474  0.1+  0.2-
    160517 291  0.0   0.3+    160601 474  0.2+  0.3+    161127 807  0.0   0.2+
    160517 291  0.1+  0.2+    160601 474  0.2-  0.0     161127 807  0.6-  0.2-
    160517 291  0.1+  0.3+    160601 474  0.5-  0.1-    161127 807  0.0   0.2-
    160518 203  0.7+  1.7+    160601 474  0.0   0.7+    161221 807  0.4-  0.0
    160518 203  0.3+  1.8+    160601 474  0.7-  0.1-    161221 807  0.1-  0.1-
    160518 926  0.4-  0.9+    160603 474  0.0   0.1+    161221 807  0.2-  0.7+
    160518 691  0.6-  0.6-    160603 474  0.0   0.1-    180516 T12  0.0   0.1+
    160518 691  0.5+  0.8+    160603 474  0.4-  0.4+    180516 T12  0.1+  0.1+
    160518 926  0.2+  0.2+    160607 807  0.1-  0.3-    180516 T12  0.1+  0.1+
    160518 691  0.8+  0.5+    160607 807  0.2-  0.1-    180516 T12  0.1-  0.1+
    160518 926  0.2+  0.0     160607 807  0.2-  0.1+    180516 T12  0.0   0.0
    160519 H21  0.5-  0.2-    160607 F51  0.1-  0.2+    180517 T12  0.0   0.1+
    160519 H21  0.5-  0.2-    160607 F51  0.1-  0.1+    180517 T12  0.1+  0.1+
    160519 H21  0.6-  0.4-    160607 F51  0.1-  0.0     180517 T12  0.0   0.0
    160519 H21  0.6-  0.2-    160607 F51  0.1-  0.1+    180517 T12  0.0   0.0
    160524 204  0.2+  0.2+    160607 474  0.4-  0.0
    160524 204  0.8+  0.6+    160607 474  0.0   0.4-
    
    Ephemeris:
    2016 JN34                a,e,i = 1.56, 0.30, 45                  q = 1.0913
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2018 04 21    18 16 10.8 -07 45 49   0.7487  1.4884   115.4    37.6    22.1
    ...
    2018 05 06    18 23 31.1 -18 22 59   0.5508  1.4235   129.4    33.2    21.3
    ...
    2018 05 14    18 22 53.8 -27 42 59   0.4635  1.3887   137.6    29.4    20.7
    ...
    2018 05 20    18 18 33.5 -37 02 11   0.4123  1.3628   142.6    26.8    20.4
    2018 05 21    18 17 21.2 -38 47 25   0.4053  1.3585   143.2    26.5    20.3
    2018 05 22    18 15 58.4 -40 35 51   0.3988  1.3542   143.6    26.3    20.3
    ...
    2018 05 28    18 02 36.9 -52 20 52   0.3709  1.3286   143.1    27.3    20.1
    ...
    2018 06 05    17 16 08.7 -68 28 17   0.3659  1.2951   133.8    34.4    20.2
    ...
    2018 06 20    10 50 44.0 -78 27 41   0.4378  1.2357   109.9    50.6    20.9
    
    A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-K61
    

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