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  • MPEC 2019-T105 : 2019 NJ7

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    M.P.E.C. 2019-T105                              Issued 2019 October 6, 21:26 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 NJ7                                 
    
    
                               Revision to MPEC 2019-O38                            
    
    Additional Observations:
         K19N07J  C2012 05 14.54605517 06 25.830+26 15 41.79         22.2 GVET105F51
         K19N07J  C2012 05 14.55630817 06 24.670+26 15 41.78         21.8 GVET105F51
         K19N07J  C2012 05 21.58019116 53 01.807+26 00 46.34         21.1 GVET105F51
         K19N07J  C2012 05 21.58992116 53 00.629+26 00 43.60         21.8 GVET105F51
         K19N07J  C2012 06 07.33695916 20 18.484+23 15 52.95         22.0 GVET105F51
         K19N07J  C2012 06 07.34757616 20 17.290+23 15 43.49         21.9 GVET105F51
         K19N07J  C2014 05 31.54846720 09 26.727-04 47 02.08         22.4 GVET105F51
         K19N07J  C2017 05 18.58965817 07 02.704+24 52 23.75         22.1 GVET105F51
         K19N07J  C2017 05 18.59481217 07 02.088+24 52 23.35         21.7 GVET105F51
         K19N07J  C2017 05 18.59996617 07 01.499+24 52 22.56         22.4 GVET105F51
         K19N07J  C2017 05 18.60513017 07 00.937+24 52 22.03         22.3 GVET105F51
         K19N07J  C2019 06 03.51921820 16 08.259-05 53 01.11         21.2 GVET105F51
         K19N07J  C2019 06 03.53134920 16 08.003-05 53 07.28         21.2 GVET105F51
         K19N07J  C2019 06 03.53199520 16 07.999-05 53 07.63         21.3 GVET105F51
         K19N07J  C2019 06 03.54415120 16 07.759-05 53 13.94         21.6 GVET105F51
         K19N07J  C2019 06 03.55697620 16 07.477-05 53 20.35         21.8 GVET105F51
         K19N07J  C2019 06 03.55762120 16 07.462-05 53 20.71         21.8 GVET105F51
    
    Observer details:
    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.  1.8-m Ritchey-Chretien + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    120514 F51 1.75- 1.31-    190603 F51 0.01- 0.00-    MPO473723   +0.05 days
    
    Orbital elements:
    2019 NJ7                                                 Earth MOID = 0.1114 AU
    Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 Williams
    M 197.74673              (2000.0)            P               Q
    n   0.59262465     Peri.  325.93777     +0.11586045     -0.87054379
    a   1.4037278      Node   113.05430     +0.98708295     +0.04727382
    e   0.4140500      Incl.   31.31675     +0.11065079     +0.48981496
    P   1.66           H   19.2           G   0.15           U   2
    Residuals in seconds of arc
    120514 F51  0.1-  0.0     190603 F51  0.3+  0.1-    190713 734  0.2+  0.0
    120514 F51  0.2-  0.0     190603 F51  0.1+  0.0     190713 734  0.0   0.1-
    120521 F51  0.1+  0.1+    190603 F51  0.0   0.0     190713 734 (1.7+  0.2+)
    120521 F51  0.1+  0.1+    190703 I41  0.1-  0.5-    190713 734  0.3-  0.1+
    120607 F51  0.1+  0.0     190703 I41  0.4-  0.1+    190713 734  0.1+  0.3+
    120607 F51  0.2+  0.1-    190709 I41  0.1+  0.3-    190713 734  0.1+  0.7-
    140531 F51  0.0   0.1+    190710 I41  0.3-  0.2-    190713 734  0.0   0.2+
    170518 F51  0.1+  0.0     190710 I41  0.3-  0.2-    190713 734  0.1+  0.8+
    170518 F51  0.2-  0.1+    190710 I41  0.3-  0.2-    190713 734  0.1+  0.4+
    170518 F51  0.2-  0.1-    190710 I41  0.3-  0.4-    190720 H21  0.1+  0.3+
    170518 F51  0.2+  0.1-    190710 I41  0.3-  0.2-    190720 H21  0.3+  0.4+
    190603 F51  0.1+  0.1+    190710 I41  0.3-  0.4-    190720 H21  0.1-  0.2+
    190603 F51  0.0   0.1+    190710 I41  0.3-  0.2-    190720 H21  0.1+  0.0
    190603 F51  0.1+  0.1+    190710 I41  0.3-  0.2-
    
    Ephemeris:
    2019 NJ7                 a,e,i = 1.40, 0.41, 31                  q = 0.8225
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2019 09 06    17 56 12.4 -37 53 34   0.9611  1.5712   105.8    38.1    21.6
    ...
    2019 09 21    18 01 23.9 -40 43 49   1.0555  1.4907    92.7    42.3    21.8
    ...
    2019 09 29    18 09 13.0 -42 00 17   1.1005  1.4450    86.7    43.8    21.9
    ...
    2019 10 05    18 17 10.8 -42 52 05   1.1303  1.4095    82.6    44.7    21.9
    2019 10 06    18 18 40.4 -43 00 16   1.1349  1.4035    81.9    44.9    21.9
    2019 10 07    18 20 12.7 -43 08 20   1.1394  1.3975    81.3    45.0    21.9
    ...
    2019 10 13    18 30 23.6 -43 53 53   1.1637  1.3608    77.6    45.7    21.9
    ...
    2019 10 21    18 46 23.8 -44 46 36   1.1886  1.3106    73.1    46.6    21.9
    ...
    2019 11 05    19 23 32.0 -45 55 11   1.2094  1.2134    66.1    48.3    21.8
    
    A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-T105
    


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