[Iaude] MPEC F12: 2018 NP1 [a=1.02,e=0.23,i=27.7,H=20.8]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Sun Mar 17 13:25:17 EDT 2019


M.P.E.C. 2019-F12                                Issued 2019 Mar. 17, 17:23 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 at CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714


                                   2018 NP1
 
                           Revision to MPEC 2018-N48
 
Additional Observations:
     K18N01P  C2017 06 10.55802122 25 11.444+00 53 55.73         23.6 GVEF012F51
     K18N01P  C2017 06 10.56964322 25 12.747+00 53 41.79         22.4 GVEF012F51
     K18N01P  C2017 06 10.58127122 25 14.065+00 53 27.66         20.3 GVEF012F51
     K18N01P  C2017 06 10.59291222 25 15.431+00 53 13.65         21.9 GVEF012F51
     K18N01P  C2017 07 26.60570100 09 17.028-39 12 18.29         20.3 GVEF012F51
     K18N01P  C2017 07 26.61022900 09 17.740-39 12 42.04         20.3 GVEF012F51
     K18N01P  C2018 06 22.55848821 42 32.756+02 51 51.61         20.5 GVEF012F51
 
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, reference and Delta-T
170610 F51 22.6+ 12.9-    180622 F51  0.4+  0.4-    MPO452014   +0.0015 day
 
Orbital elements:
2018 NP1                                                 Earth MOID = 0.1964 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M 104.52602              (2000.0)            P               Q
n   0.95316435     Peri.  355.82451     -0.35450056     -0.83418121
a   1.0225648      Node   114.47509     +0.87077994     -0.45913317
e   0.2309389      Incl.   27.65638     +0.34069290     +0.30551342
P   1.03           H   20.8           G   0.15           U   3
Residuals in seconds of arc
170610 F51  0.0   0.2+    180710 734  0.0   0.6-    180714 474  0.7+  0.7-
170610 F51  0.3-  0.1+    180710 734  0.1-  0.8-    180714 474  0.2+  0.3-
170610 F51  0.3-  0.3-    180710 734  0.2-  0.7-    180718 474  0.2+  0.1+
170610 F51  0.4+  0.4-    180710 734  0.1-  0.9-    180718 474  0.0   0.0
170726 F51  0.0   0.1-    180710 H21  0.1+  0.2+    180718 474  0.1+  0.1+
170726 F51  0.1-  0.1+    180710 H21  0.1+  0.2+    180718 474  0.2-  0.1-
180622 F51  0.1+  0.1+    180710 H21  0.1+  0.1+    180722 T05  0.9-  1.3-
180709 F51  0.0   0.3+    180711 H21  0.2-  0.4+    180722 T05  0.5+  0.4-
180709 F51  0.0   0.0     180711 H21  0.1-  0.4+    180722 T05  0.5+  0.1-
180709 F51  0.1+  0.2+    180711 H21  0.3-  0.1-    180722 T05  0.1+  0.7+
180709 F51  0.0   0.2+    180711 E08  0.6+  0.5+    180809 474  0.1+  0.0
180710 104  0.2-  0.6+    180711 E08  0.7-  0.4+    180809 474  0.1+  0.1-
180710 104  0.0   0.5+    180711 E08  0.2-  0.0     180809 474  0.1-  0.0
180710 104  0.1+  0.1+    180714 474  0.2-  0.9-

Ephemeris:
2018 NP1                 a,e,i = 1.02, 0.23, 28                  q = 0.7864
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2019 02 15    18 25 42.2 +20 01 10   0.4638  0.8598    60.5    91.5    22.0
...
2019 03 02    18 51 37.2 +22 56 20   0.5630  0.9151    65.6    80.4    22.2
...
2019 03 10    19 05 35.2 +23 46 25   0.6024  0.9469    67.8    76.1    22.2
...
2019 03 16    19 15 50.2 +24 14 24   0.6252  0.9711    69.4    73.5    22.3
2019 03 17    19 17 31.2 +24 18 29   0.6284  0.9751    69.7    73.1    22.3
2019 03 18    19 19 11.6 +24 22 27   0.6314  0.9791    70.0    72.7    22.3
...
2019 03 24    19 29 03.6 +24 43 51   0.6463  1.0032    71.7    70.6    22.3
...
2019 04 01    19 41 38.1 +25 08 03   0.6570  1.0347    74.1    68.2    22.4
...
2019 04 16    20 02 48.3 +25 43 43   0.6498  1.0905    79.4    64.7    22.3

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-F12



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