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    • MPEC 2018-B64 : 2018 BN1

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    M.P.E.C. 2018-B64                                Issued 2018 Jan. 19, 23:05 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

                                   2018 BN1

Observations:
     K18B01N* C2018 01 16.46865 10 40 41.726+34 20 16.94         21.7 wUEB064F51
     K18B01N  C2018 01 16.49217 10 40 32.317+34 19 56.89         21.4 wUEB064F51
     K18B01N  C2018 01 16.50407 10 40 27.541+34 19 46.56         21.5 wUEB064F51
     K18B01N _C2018 01 17.51767510 34 08.672+34 03 42.06         21.6 GUEB064568
     K18B01N _C2018 01 17.51861810 34 08.307+34 03 41.15         21.8 GUEB064568
     K18B01N _C2018 01 17.51956410 34 07.932+34 03 40.23         21.2 GUEB064568
     K18B01N KC2018 01 19.26409 10 23 46.35 +33 33 59.7          21.6 RoEB064291
     K18B01N KC2018 01 19.27364 10 23 42.89 +33 33 50.7                oEB064291

Observer details:
291 LPL/Spacewatch II.  Observer T. H. Bressi.  1.8-m f/2.7 reflector + CCD.
568 Mauna Kea.  Observers R. J. Wainscoat, L. Wells.  Measurers M. Micheli,
    R. J. 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, L. Denneau, H. Flewelling,
    M. Huber, E. Lilly, E. Magnier, R. Wainscoat, C. Waters, R. Weryk.  1.8-m
    Ritchey-Chretien + CCD.

Orbital elements:
2018 BN1                                                 Earth MOID = 0.0272 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
M 321.17957              (2000.0)            P               Q
n   0.58862782     Peri.   52.25274     +0.82192554     -0.56885169
a   1.4100749      Node   342.35780     +0.48774496     +0.72927373
e   0.4189021      Incl.    5.50773     +0.29418236     +0.38022045
P   1.67           H   23.7           G   0.15           U   6
Residuals in seconds of arc
180116 F51  0.0   0.0     180117 568  0.0   0.0     180119 291  0.2+  0.0
180116 F51  0.0   0.0     180117 568  0.0   0.0     180119 291  0.2-  0.0
180116 F51  0.0   0.0     180117 568  0.0   0.0

Ephemeris:
2018 BN1                 a,e,i = 1.41, 0.42, 6                   q = 0.8194
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2017 12 20    14 30 33.1 +30 51 21   0.1261  0.9537    72.5   100.2    22.7
...
2018 01 04    12 13 16.4 +36 02 40   0.1440  1.0454   111.8    60.8    21.8
...
2018 01 12    11 10 46.8 +35 20 05   0.1639  1.0978   130.9    42.7    21.6
...
2018 01 18    10 31 12.4 +33 55 36   0.1840  1.1376   143.8    30.7    21.6
2018 01 19    10 25 16.2 +33 38 42   0.1879  1.1443   145.9    28.8    21.6
2018 01 20    10 19 31.6 +33 21 13   0.1919  1.1510   147.9    27.1    21.6
...
2018 01 26    09 49 07.0 +31 28 03   0.2189  1.1911   158.6    17.6    21.7
...
2018 02 03    09 18 50.2 +28 52 20   0.2636  1.2442   167.4     9.9    21.9
...
2018 02 18    08 47 24.5 +24 38 26   0.3736  1.3414   157.7    16.3    23.1

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-B64

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