[Iaude] MPEC U70: 2016 US31 [a=1.52,e=0.36,i=1.6,H=25.1]

[mpec at si.edu]

M.P.E.C. 2016-U70                                Issued 2016 Oct. 26, 14:17 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 US31
 
Observations:
     K16U31S* C2016 10 25.34574 00 08 20.281-22 49 40.32         20.7 wLEU070F51
     K16U31S  C2016 10 25.35848 00 08 31.718-22 47 56.67         20.7 wLEU070F51
     K16U31S  C2016 10 25.38401 00 08 54.617-22 44 27.77         20.6 wLEU070F51
     K16U31S  C2016 10 26.16370 00 20 58.27 -21 00 42.9          19.9 RoEU070926
     K16U31S  C2016 10 26.16775 00 21 01.65 -21 00 12.0          20.0 RoEU070926
     K16U31S  C2016 10 26.17182 00 21 05.01 -20 59 39.8          19.7 RoEU070926
     K16U31S  C2016 10 26.17921 00 21 11.10 -20 58 43.4          21.7 RoEU070291
     K16U31S  C2016 10 26.17983 00 21 11.64 -20 58 38.5          21.9 RoEU070291
     K16U31S  C2016 10 26.18045 00 21 12.19 -20 58 33.6          21.9 RoEU070291
     K16U31S KC2016 10 26.55635 00 26 27.10 -20 06 37.7          20.0 RtEU070474
     K16U31S KC2016 10 26.55816 00 26 28.52 -20 06 23.3          20.0 RtEU070474
     K16U31S KC2016 10 26.55998 00 26 30.00 -20 06 09.4          20.7 RtEU070474
 
Observer details:
291 LPL/Spacewatch II.  Observer R. A. Mastaler.  1.8-m f/2.7 reflector + CCD.
474 Mount John Observatory, Lake Tekapo.  Observers A. C. Gilmore,
    P. M. Kilmartin.  Measurer P. M. Kilmartin.  1.0-m f/7.7 reflector + CCD.
926 Tenagra II Observatory.  Observers M. Schwartz, P. R. Holvorcem.  Measurer
    M. Schwartz.  0.81-m f/7 Ritchey-Chretien + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers B. Gibson, T. Goggia, S. Kahale,
    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:
2016 US31                                                Earth MOID = 0.0144 AU
Epoch 2016 July 31.0 TT = JDT 2457600.5                 MPC
M 333.28768              (2000.0)            P               Q
n   0.52591979     Peri.  181.80083     +0.98212416     +0.18812895
a   1.5200447      Node   167.35028     -0.17234022     +0.91214298
e   0.3646545      Incl.    1.64725     -0.07570322     +0.36414652
P   1.87           H   25.1           G   0.15           U   7
Residuals in seconds of arc
161025 F51  0.1+  0.2+    161026 926  0.4+  0.3-    161026 291  0.4+  0.1+
161025 F51  0.0   0.0     161026 926  0.5+  0.3+    161026 474  0.2+  0.0
161025 F51  0.1-  0.2-    161026 291  0.6-  0.1-    161026 474  0.2-  0.1+
161026 926  0.2-  0.3+    161026 291  0.2-  0.0     161026 474  0.0   0.3-

Ephemeris:
2016 US31                a,e,i = 1.52, 0.36, 2                   q = 0.9658
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2016 09 26    16 43 04.7 -24 30 23   0.1160  0.9680    69.5   104.1    24.2
...
2016 10 11    18 44 43.7 -35 11 59   0.06169 0.9912    81.6    94.8    22.4
...
2016 10 19    21 47 39.0 -35 43 09   0.04769 1.0129   109.5    67.9    20.9
...
2016 10 25    00 02 38.5 -23 35 02   0.05404 1.0329   134.5    43.4    20.5
2016 10 26    00 18 28.7 -21 20 23   0.05645 1.0365   137.7    40.2    20.5
2016 10 27    00 32 34.3 -19 11 35   0.05917 1.0402   140.6    37.3    20.6
...
2016 11 02    01 30 15.1 -09 01 52   0.08025 1.0638   152.1    25.9    20.9
...
2016 11 10    02 08 44.5 -01 11 28   0.1164  1.0987   157.6    20.1    21.6
...
2016 11 25    02 41 58.0 +06 06 03   0.2001  1.1720   155.4    20.5    23.0

A. U. Tomatic                (C) Copyright 2016 MPC           M.P.E.C. 2016-U70