• MPC Preparation (Info)

    • MPEC 2018-B122: 2018 BB5

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    M.P.E.C. 2018-B122                               Issued 2018 Jan. 25, 19:21 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 BB5

Observations:
     K18B05B  C2018 01 16.41314 09 10 15.641+09 44 21.55         22.6 wUEB122F51
     K18B05B  C2018 01 16.42500 09 10 13.290+09 44 38.06         22.5 wUEB122F51
     K18B05B  C2018 01 16.43684 09 10 10.895+09 44 54.55         22.8 wUEB122F51
     K18B05B  C2018 01 16.44868 09 10 08.529+09 45 10.58         22.8 wUEB122F51
     K18B05B* C2018 01 20.50593 08 54 19.907+11 40 09.57         22.0 wUEB122F51
     K18B05B  C2018 01 20.51814 08 54 16.190+11 40 34.78         21.9 wUEB122F51
     K18B05B  C2018 01 20.53036 08 54 12.469+11 40 59.70         22.2 wUEB122F51
     K18B05B  C2018 01 20.54265 08 54 08.740+11 41 24.88         22.0 wUEB122F51
     K18B05B |C2018 01 21.25495 08 50 36.44 +12 07 31.0          21.7 GUEB122807
     K18B05B |C2018 01 21.25853 08 50 35.24 +12 07 39.0          21.7 GUEB122807
     K18B05B |C2018 01 21.26251 08 50 33.95 +12 07 47.5          21.7 GUEB122807
     K18B05B |C2018 01 21.26609 08 50 32.74 +12 07 56.0          21.9 GUEB122807
     K18B05B  C2018 01 24.32220 08 31 42.26 +14 18 56.1          22.0 GUEB122I52
     K18B05B  C2018 01 24.32738 08 31 39.89 +14 19 11.9          21.6 GUEB122I52
     K18B05B  C2018 01 24.33257 08 31 37.56 +14 19 25.5          21.3 GUEB122I52
     K18B05B  C2018 01 25.22931 08 24 45.50 +15 06 01.8          20.7 GUEB122I52
     K18B05B  C2018 01 25.23151 08 24 44.35 +15 06 08.9          21.2 GUEB122I52
     K18B05B  C2018 01 25.23368 08 24 43.27 +15 06 16.9          20.5 GUEB122I52
     K18B05B  C2018 01 25.23586 08 24 42.31 +15 06 22.7          20.4 GUEB122I52

Observer details:
807 Cerro Tololo.  Observers T. Linder, R. Holmes.  1.00-m f/10.0 astrograph
    + 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.
I52 Steward Observatory, Mt. Lemmon Station.  Observer J. A. Johnson.
    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.

Orbital elements:
2018 BB5                                                 Earth MOID = 0.0177 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
M 132.60993              (2000.0)            P               Q
n   1.05340920     Peri.  136.22008     -0.08013322     +0.99090928
a   0.9566167      Node   128.88387     -0.94848237     -0.04246247
e   0.5938023      Incl.    7.97972     -0.30652872     -0.12765474
P   0.94           H   24.4           G   0.15           U   9
Residuals in seconds of arc
180116 F51  0.3-  0.1+    180120 F51  0.1+  0.0     180124 I52  0.5+  1.4-
180116 F51  0.1+  0.1+    180121 807  0.2+  0.0     180125 I52  0.2-  0.1+
180116 F51  0.1-  0.1+    180121 807  0.2-  0.1+    180125 I52  0.8-  0.0
180116 F51  0.2+  0.3-    180121 807  0.0   0.2-    180125 I52  0.6-  0.9+
180120 F51  0.0   0.1-    180121 807  0.5-  0.4+    180125 I52  1.5+  0.5-
180120 F51  0.0   0.1+    180124 I52  0.2-  0.1+
180120 F51  0.0   0.0     180124 I52  0.2-  0.5+

Ephemeris:
2018 BB5                 a,e,i = 0.96, 0.59, 8                   q = 0.3886
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2017 12 26    09 35 09.7 +06 41 15   0.4830  1.3452   129.9    34.1    24.9
...
2018 01 10    09 24 53.4 +07 56 25   0.3071  1.2538   147.7    24.8    23.5
...
2018 01 18    09 04 52.0 +10 23 54   0.2224  1.1964   161.1    15.5    22.4
...
2018 01 24    08 34 01.0 +14 03 23   0.1655  1.1491   174.2     5.0    21.2
2018 01 25    08 26 34.2 +14 54 00   0.1568  1.1409   175.8     3.6    21.0
2018 01 26    08 18 12.0 +15 49 33   0.1484  1.1326   175.5     3.9    20.9
...
2018 02 01    06 59 31.3 +23 08 17   0.1065  1.0803   151.8    25.5    20.9
...
2018 02 09    03 36 58.4 +28 46 08   0.09185 1.0046    98.7    76.1    21.9
...
2018 02 24    00 08 55.6 +14 17 31   0.1862  0.8432    34.7   138.1    27.0

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-B122

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