[Iaude] MPEC M133: 2018 NC15 [a=1.60,e=0.34,i=14.1,H=21.8]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sun Jun 28 18:59:15 EDT 2020


M.P.E.C. 2020-M133                                Issued 2020 June 28, 22:57 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 NC15                                    


                           Revision to MPEC 2018-O30                            

Additional Observations:
     K18N15C  C2020 06 27.53087622 00 47.999-24 56 02.70         21.17wUEM133F51
     K18N15C  C2020 06 27.54246822 00 47.970-24 56 36.09         21.25wUEM133F51
     K18N15C  C2020 06 27.55406422 00 47.935-24 57 09.24         21.16wUEM133F51
     K18N15C  C2020 06 27.56566322 00 47.901-24 57 42.55         21.27wUEM133F51
     K18N15C  C2020 06 28.52943822 00 55.149-25 43 19.85         21.24wUEM133F51
     K18N15C  C2020 06 28.54005022 00 55.078-25 43 50.16         21.15wUEM133F51
     K18N15C  C2020 06 28.55061322 00 54.996-25 44 20.18         21.18wUEM133F51
     K18N15C ^C2020 06 28.59388722 00 54.619-25 46 22.65         20.99GVEM133568
     K18N15C ^C2020 06 28.59484322 00 54.612-25 46 25.30         20.99GVEM133568
     K18N15C ^C2020 06 28.59579222 00 54.603-25 46 27.99         21.02GVEM133568

Observer details:
568 Mauna Kea.  Observers R. Wainscoat, C. Wipper, S. Prunet.  Measurers R.
    Weryk, R. Wainscoat.  3.6-m Canada-France-Hawaii Telescope + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz, M.
    Willman.  Measurers K. Chambers, S. Chastel, T. de Boer, L. Denneau, J.
    Fairlamb, H. Flewelling, M. Huber, C.-C. Lin, E. Magnier, 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
200627 F51 0.82- 0.19-    200628 568 0.82- 0.21-    MPO473497   -0.40 days

Orbital elements:
2018 NC15                                                Earth MOID = 0.1179 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5                  Veres
M  20.45494              (2000.0)            P               Q
n   0.48856744     Peri.  126.18459     -0.73298596     +0.63530991
a   1.5965641      Node    94.58996     -0.67571265     -0.63882339
e   0.3425613      Incl.   14.11765     -0.07838369     -0.43391934
P   2.02           H   21.8           G   0.15           U   3
Residuals in seconds of arc
180710 F51  0.0   0.1+    180719 568  0.0   0.0     200627 F51  0.0   0.0
180710 F51  0.1-  0.1-    180719 568  0.0   0.0     200627 F51  0.0   0.1-
180710 F51  0.0   0.1+    180719 568  0.0   0.1-    200628 F51  0.1-  0.0
180713 807  0.0   0.1-    180719 474  0.0   0.2+    200628 F51  0.0   0.0
180713 807  0.5+  0.3-    180719 474  0.5+  0.1+    200628 F51  0.0   0.1+
180713 807  0.1+  0.0     180719 474  0.1-  0.1-    200628 568  0.0   0.1-
180719 474  0.1-  0.3-    200627 F51  0.0   0.0     200628 568  0.0   0.0
180719 474  0.4-  0.0     200627 F51  0.0   0.1-    200628 568  0.0   0.0

Ephemeris:
2018 NC15                a,e,i = 1.60, 0.34, 14                  q = 1.0496
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 05 29    21 25 23.9 -01 45 35   0.2841  1.1182   104.3    61.4    21.5
...
2020 06 13    21 50 29.9 -13 13 52   0.2858  1.1728   116.9    50.6    21.3
...
2020 06 21    21 58 06.1 -19 40 52   0.2913  1.2062   124.7    43.8    21.2
...
2020 06 27    22 00 41.6 -24 30 24   0.2987  1.2327   130.8    38.6    21.2
2020 06 28    22 00 51.3 -25 17 55   0.3002  1.2373   131.8    37.7    21.2
2020 06 29    22 00 56.3 -26 05 07   0.3019  1.2418   132.9    36.9    21.2
...
2020 07 05    21 59 47.9 -30 38 47   0.3138  1.2696   138.8    31.9    21.2
...
2020 07 13    21 54 00.8 -36 05 59   0.3360  1.3078   145.7    26.0    21.2
...
2020 07 28    21 33 02.3 -43 23 13   0.3994  1.3814   152.2    20.0    21.5

A. U. Tomatic                (C) Copyright 2020 MPC           M.P.E.C. 2020-M133




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