• Processing (Info)

    • MPEC 2018-B59 : 2018 BG1

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    M.P.E.C. 2018-B59                                Issued 2018 Jan. 19, 22:45 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 BG1

Observations:
     K18B01G* C2018 01 16.30213 04 30 33.927-19 12 20.56         20.9 wUEB059F51
     K18B01G  C2018 01 16.31314 04 30 41.298-19 11 30.00         20.9 wUEB059F51
     K18B01G  C2018 01 16.32413 04 30 48.695-19 10 39.05         21.1 wUEB059F51
     K18B01G  C2018 01 16.33515 04 30 56.112-19 09 47.78         20.9 wUEB059F51
     K18B01G _C2018 01 17.32286304 44 14.778-17 46 06.07         20.7 GUEB059568
     K18B01G _C2018 01 17.32758404 44 18.441-17 45 39.70               UEB059568
     K18B01G  C2018 01 19.14584 05 14 05.49 -14 21 34.2          20.9 GUEB059I52
     K18B01G  C2018 01 19.14639 05 14 06.01 -14 21 30.0          20.2 GUEB059I52
     K18B01G  C2018 01 19.14694 05 14 06.58 -14 21 26.0          20.2 GUEB059I52
     K18B01G  C2018 01 19.14750 05 14 07.20 -14 21 20.1          20.3 GUEB059I52
     K18B01G  C2018 01 19.16562605 14 24.76 -14 19 01.1          19.4 GUEB059H01
     K18B01G  C2018 01 19.17228305 14 31.56 -14 18 07.5          20.0 GUEB059H01
     K18B01G  C2018 01 19.18131105 14 40.79 -14 16 54.8          20.0 GUEB059H01
     K18B01G  C2018 01 19.18723405 14 46.85 -14 16 06.8          20.3 GUEB059H01
     K18B01G KC2018 01 19.83405 05 27 20.24 -12 43 47.7                UEB059J95
     K18B01G KC2018 01 19.84353 05 27 31.15 -12 42 21.1                UEB059J95
     K18B01G KC2018 01 19.85316 05 27 42.17 -12 40 53.0                UEB059J95
     K18B01G KC2018 01 19.86335 05 27 53.79 -12 39 20.4          19.9 GUEB059J95

Observer details:
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.
H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
    Measurer W. H. Ryan.  2.4-m f/8.9 reflector + CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observer R. G. Matheny.
    Measurers E. J. Christensen, D. C. Fuls, A. R. Gibbs, A. D. Grauer,
    J. A. Johnson, R. A. Kowalski, S. M. Larson, G. J. Leonard, R. G. Matheny,
    R. L. Seaman, F. C. Shelly.  1.0-m reflector + CCD.
J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
    + CCD.

Orbital elements:
2018 BG1                                                 Earth MOID = 0.0288 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
M 310.26556              (2000.0)            P               Q
n   0.37367116     Peri.  344.94618     -0.38813847     -0.91640952
a   1.9090164      Node   127.79471     +0.85781047     -0.39798586
e   0.4737732      Incl.    7.10091     +0.33691205     -0.04243647
P   2.64           H   25.5           G   0.15           U   5
Residuals in seconds of arc
180116 F51  0.0   0.0     180119 I52  0.3+  0.4-    180119 H01  0.1-  0.0
180116 F51  0.2-  0.0     180119 I52  0.3-  0.5-    180119 H01  0.1-  0.1+
180116 F51  0.0   0.2+    180119 I52  0.1-  0.9-    180119 J95  0.4-  0.3-
180116 F51  0.2-  0.1+    180119 I52  0.6+  0.6+    180119 J95  0.3+  0.2+
180117 568  0.3-  0.1+    180119 H01  0.1-  0.0     180119 J95  0.1+  0.5+
180117 568  0.3-  0.2-    180119 H01  0.1-  0.1+    180119 J95  0.7-  0.1-

Ephemeris:
2018 BG1                 a,e,i = 1.91, 0.47, 7                   q = 1.0046
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2017 12 20    02 47 58.4 -25 48 08   0.1440  1.0501   113.7    59.1    23.5
...
2018 01 04    03 11 26.0 -25 24 37   0.08946 1.0130   107.0    68.2    22.7
...
2018 01 12    03 49 25.4 -22 54 07   0.05984 1.0052   109.7    67.1    21.8
...
2018 01 18    04 54 27.6 -16 36 20   0.03967 1.0051   121.4    56.6    20.6
2018 01 19    05 11 20.7 -14 38 04   0.03682 1.0056   125.2    53.1    20.3
2018 01 20    05 30 37.3 -12 14 25   0.03425 1.0062   129.6    48.9    20.0
...
2018 01 26    08 12 27.2 +10 26 15   0.02856 1.0127   170.3     9.4    18.4
...
2018 02 03    11 00 13.4 +26 52 20   0.04885 1.0288   151.5    27.2    20.2
...
2018 02 18    12 18 30.1 +29 43 28   0.1099  1.0793   144.2    32.4    22.2

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-B59

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