[Iaude] MPEC B72: 2016 OP5 [a=1.62,e=0.45,i=8.2,H=20.6,PHA]

[mpec at si.edu]

M.P.E.C. 2017-B72                                Issued 2017 Jan. 27, 15:38 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


                                   2016 OP5
 
Additional Observations:
     K16O05P KC2017 01 26.02555809 05 44.777+32 44 42.91               UEB072J04
     K16O05P KC2017 01 26.03657109 05 43.223+32 44 49.98         21.5 GUEB072J04
     K16O05P KC2017 01 26.04758609 05 41.676+32 44 57.48         21.3 GUEB072J04
     K16O05P KC2017 01 26.99538309 03 35.696+32 54 46.92         20.9 GUEB072J04
     K16O05P KC2017 01 27.00199109 03 34.779+32 54 51.20         21.2 GUEB072J04
     K16O05P KC2017 01 27.00860109 03 33.854+32 54 55.07         20.6 GUEB072J04
 
Observer details:
J04 ESA Optical Ground Station, Tenerife.  Observer D. Abreu.  Measurers
    M. Micheli, D. Koschny, A. Knoefel, E. Schwab, M. Busch.  1.0-m f/4.4
    reflector + CCD.
 
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or integer in degrees), reference and Delta-T
170126 J04   15+    1-    170127 J04   15+    1-    MPO384707   +2.7 day
 
Orbital elements:
2016 OP5                                            PHA, Earth MOID = 0.0456 AU
Epoch 2017 Feb. 16.0 TT = JDT 2457800.5                 MPC
M  74.28311              (2000.0)            P               Q
n   0.48016472     Peri.  290.89871     +0.97375217     -0.17880587
a   1.6151365      Node    79.61212     +0.22216912     +0.88116213
e   0.4525827      Incl.    8.23215     -0.04947312     +0.43770054
P   2.05           H   20.6           G   0.15           U   3
Residuals in seconds of arc
160601 F51  0.0   0.0     160720 F51  0.1+  0.0     160720 474  0.1-  0.3-
160628 F51  0.1-  0.2-    160720 474  0.5+  0.1+    170126 J04  0.2+  0.2+
160708 F51  0.1-  0.1+    160720 474  0.0   0.1-    170126 J04  0.1-  0.1+
160708 F51  0.1+  0.0     160720 474  0.1+  0.0     170126 J04  0.2-  0.4+
160708 F51  0.0   0.1+    160720 474  0.1-  0.2+    170126 J04  0.1+  0.2-
160708 F51  0.1+  0.1+    160720 474  0.2-  0.0     170127 J04  0.1+  0.0
160718 F51  0.2-  0.1-    160720 474  0.0   0.1+    170127 J04  0.1-  0.2-
160718 F51  0.0   0.1-    160720 474  0.2-  0.1+

Ephemeris:
2016 OP5                 a,e,i = 1.62, 0.45, 8                   q = 0.8842
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2016 12 28    10 00 46.1 +24 25 54   0.5736  1.4304   131.7    30.9    21.5
...
2017 01 12    09 36 34.3 +29 18 22   0.5912  1.5289   151.4    17.9    21.3
...
2017 01 20    09 19 18.2 +31 29 04   0.6177  1.5796   160.5    12.0    21.3
...
2017 01 26    09 05 48.0 +32 44 25   0.6469  1.6168   164.3     9.5    21.3
2017 01 27    09 03 34.7 +32 54 49   0.6525  1.6229   164.5     9.3    21.3
2017 01 28    09 01 22.7 +33 04 35   0.6584  1.6290   164.5     9.3    21.4
...
2017 02 03    08 48 48.8 +33 50 01   0.6988  1.6650   162.3    10.4    21.6
...
2017 02 11    08 34 37.7 +34 18 13   0.7649  1.7116   155.2    14.0    22.0
...
2017 02 26    08 18 18.3 +33 57 50   0.9221  1.7947   139.6    21.0    22.7

A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-B72