[Iaude] MPEC C01: 2017 BN91 [a=1.44,e=0.32,i=12.2,H=24.5]

[mpec at si.edu]

M.P.E.C. 2017-C01                                Issued 2017 Feb. 1, 04:37 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 http://www.minorplanetcenter.net/    ISSN 1523-6714


                                   2017 BN91
 
Observations:
     K17B91N* C2017 01 28.54316 12 03 00.638+01 11 02.48         22.6 wLEC001F51
     K17B91N  C2017 01 28.55499 12 03 00.710+01 11 51.48         22.4 wLEC001F51
     K17B91N  C2017 01 28.56684 12 03 00.799+01 12 40.92         22.2 wLEC001F51
     K17B91N _C2017 01 29.57962912 03 22.255+02 22 44.21         23.1 GUEC001568
     K17B91N _C2017 01 29.58084012 03 22.253+02 22 49.15         23.0 GUEC001568
     K17B91N _C2017 01 29.58205412 03 22.251+02 22 54.19         23.0 GUEC001568
     K17B91N _C2017 01 31.40255712 03 50.562+04 27 38.31         22.7 GUEC001568
     K17B91N _C2017 01 31.40446812 03 50.570+04 27 46.13         22.7 GUEC001568
     K17B91N _C2017 01 31.40637412 03 50.568+04 27 54.04         22.8 GUEC001568
 
Observer details:
568 Mauna Kea.  Observers R. J. Wainscoat, D. Woodworth.  Measurers M. Micheli,
    R. J. Wainscoat.  3.6-m Canada-France-Hawaii Telescope + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers B. Gibson, T. Goggia, S. Kahale,
    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:
2017 BN91                                                Earth MOID = 0.0878 AU
Epoch 2017 Feb. 16.0 TT = JDT 2457800.5                 MPC
M  42.57981              (2000.0)            P               Q
n   0.57108770     Peri.  301.43788     +0.21625042     -0.96486799
a   1.4388014      Node   135.27079     +0.95222096     +0.17467164
e   0.3175214      Incl.   12.24124     +0.21566411     +0.19626406
P   1.73           H   24.5           G   0.15           U   6
Residuals in seconds of arc
170128 F51  0.1-  0.1+    170129 568  0.1-  0.1+    170131 568  0.2-  0.0
170128 F51  0.2-  0.1-    170129 568  0.1-  0.0     170131 568  0.1-  0.0
170128 F51  0.0   0.0     170129 568  0.2-  0.0     170131 568  0.1-  0.1+

Ephemeris:
2017 BN91                a,e,i = 1.44, 0.32, 12                  q = 0.9820
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2017 01 02    11 21 57.0 -28 16 48   0.1869  1.0227    96.9    72.7    23.4
...
2017 01 17    11 52 26.5 -12 12 14   0.1853  1.0701   113.1    57.7    23.1
...
2017 01 25    12 01 00.7 -02 55 54   0.1896  1.1006   123.5    48.2    22.9
...
2017 01 31    12 03 43.9 +04 00 22   0.1963  1.1253   131.7    40.8    22.8
2017 02 01    12 03 52.9 +05 08 21   0.1978  1.1296   133.0    39.6    22.8
2017 02 02    12 03 56.8 +06 15 42   0.1993  1.1339   134.4    38.4    22.8
...
2017 02 08    12 02 40.6 +12 41 52   0.2112  1.1602   142.0    31.5    22.8
...
2017 02 16    11 57 04.7 +20 08 30   0.2337  1.1968   150.4    24.0    22.9
...
2017 03 03    11 39 22.7 +29 27 34   0.2978  1.2678   155.2    19.2    23.4

                       (Last issue was M.P.E.C. 2017-B168)

A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-C01