• Processing (Info)

  • MPEC 2018-B17 : 2016 BR80

    The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.

    A form allowing access to any MPEC is at the bottom of this page.


    Read MPEC 2018-B16 Read MPEC 2018-B18


    M.P.E.C. 2018-B17                                Issued 2018 Jan. 17, 15:34 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
    
                                       2016 BR80
    
                               Revision to MPEC 2016-C43
    
    Additional Observations:
         K16B80R  C2018 01 15.21486200 58 40.553+18 32 23.82         23.74GUEB017T14
         K16B80R  C2018 01 15.21955400 58 40.871+18 32 25.56         23.60GUEB017T14
         K16B80R  C2018 01 15.22420200 58 41.182+18 32 27.34         23.90GUEB017T14
         K16B80R  C2018 01 15.24265700 58 42.441+18 32 34.13         23.82GUEB017T14
         K16B80R  C2018 01 16.22704500 59 52.693+18 38 50.15         24.03GUEB017T14
         K16B80R  C2018 01 16.23099800 59 52.967+18 38 51.69         23.97GUEB017T14
    
    Observer details:
    T14 Mauna Kea-UH/Tholen NEO Follow-Up (CFHT).  Observer L. Wells.  Measurer
        D. J. Tholen.  3.6-m f/4.1 reflector + MegaCam.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc, reference and Delta-T
    180115 T14 18.4- 24.6-    180116 T14 18.4- 24.6-    MPO419533   +0.035 day
    
    Orbital elements:
    2016 BR80                                           PHA, Earth MOID = 0.0427 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M 244.79698              (2000.0)            P               Q
    n   0.44348072     Peri.  160.49576     -0.98143668     -0.18910664
    a   1.7030192      Node     8.78928     +0.13612147     -0.80419696
    e   0.4523287      Incl.   12.06883     +0.13510360     -0.56347664
    P   2.22           H   21.3           G   0.15           U   0
    Residuals in seconds of arc
    160130 C51 (0.1+  1.7+)   160204 H36  0.3+  0.3-    160414 474  0.3-  0.4-
    160130 C51 (2.1-  0.6+)   160204 H36  0.0   0.6-    160414 474  0.2-  0.9-
    160130 C51  0.1+  0.5-    160205 926  0.6-  0.6+    160606 807  0.2-  0.3+
    160130 C51  0.3-  0.2+    160205 926  0.5+  0.6+    160606 807  0.1-  0.1-
    160131 G45  0.3-  0.6+    160205 926  0.6+  0.6+    160606 807  0.3-  0.3+
    160131 G45  0.1-  0.1+    160210 I52  0.0   0.0     160607 807  0.0   0.1+
    160131 G45  0.6-  0.1-    160210 I52  0.2+  0.1+    160607 807  0.6+  0.2-
    160131 G45  0.6-  0.3+    160210 I52  0.0   0.0     160607 807  0.4+  0.1-
    160202 926  0.6+  0.5-    160210 I52  0.1+  0.6-    160608 807  0.3+  0.0
    160202 926  0.5+  0.2-    160216 926 (1.2+  1.6+)   160608 807  0.4+  0.1-
    160202 926  0.5-  0.1-    160216 926  0.3+  0.1-    160608 807  0.1+  0.0
    160202 926  0.8+  0.3-    160216 926  0.4+  0.3+    180115 T14  0.0   0.0
    160202 926  0.2+  0.4-    160228 926  0.9-  0.9+    180115 T14  0.0   0.0
    160202 926  1.1+  0.8-    160228 926  0.3-  0.6-    180115 T14  0.1-  0.0
    160204 H01  0.1-  0.4+    160228 926  1.1-  0.5-    180115 T14  0.0   0.0
    160204 H01  0.1-  0.3+    160410 807  0.2-  0.7-    180116 T14  0.1+  0.1-
    160204 H36  0.3-  0.9-    160410 807  0.1+  0.3-    180116 T14  0.0   0.0
    160204 H01  0.1-  0.4+    160410 807  0.2-  0.1-
    160204 H01  0.1-  0.7+    160414 474  0.1-  0.5+
    
    Ephemeris:
    2016 BR80                a,e,i = 1.70, 0.45, 12                  q = 0.9327
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 12 18    00 39 52.6 +16 54 15   1.1719  1.7632   109.4    31.8    24.2
    ...
    2018 01 02    00 46 08.6 +17 25 46   1.2557  1.6746    96.1    35.7    24.4
    ...
    2018 01 10    00 53 00.9 +18 02 07   1.2975  1.6255    89.8    37.2    24.4
    ...
    2018 01 16    00 59 36.5 +18 37 23   1.3262  1.5879    85.5    38.1    24.4
    2018 01 17    01 00 49.3 +18 43 52   1.3308  1.5816    84.8    38.3    24.4
    2018 01 18    01 02 04.0 +18 50 33   1.3352  1.5753    84.1    38.4    24.5
    ...
    2018 01 24    01 10 11.6 +19 33 58   1.3601  1.5368    80.2    39.1    24.5
    ...
    2018 02 01    01 22 42.6 +20 40 02   1.3878  1.4848    75.3    39.9    24.5
    ...
    2018 02 16    01 51 11.4 +23 02 59   1.4214  1.3853    67.4    41.2    24.4
    
    A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-B17
    

    Read MPEC 2018-B16 Read MPEC 2018-B18


    MPEC number:

    Enter an MPEC number in one of the following forms:

    • 1997-B01 (the full form)
    • J97B01 (the packed version of the full form)
    • B01 (the abbreviated form)