[Iaude] MPEC U69: 2016 UR31 [a=1.21,e=0.30,i=1.8,H=24.7]

mpec at si.edu mpec at si.edu
Wed Oct 26 10:18:05 EDT 2016


M.P.E.C. 2016-U69                                Issued 2016 Oct. 26, 14:10 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 UR31
 
Observations:
     K16U31R* C2016 10 23.45280 04 14 06.95 +27 00 36.3          20.6 VqEU069G96
     K16U31R  C2016 10 23.45731 04 14 04.96 +27 00 23.3          21.2 VqEU069G96
     K16U31R  C2016 10 23.46307 04 14 02.48 +27 00 07.9          21.0 VqEU069G96
     K16U31R  C2016 10 23.46892 04 13 59.94 +26 59 51.7          21.0 VqEU069G96
     K16U31R  C2016 10 25.41284 04 01 43.17 +25 36 24.6          21.5 VqEU069G96
     K16U31R  C2016 10 25.41538 04 01 42.18 +25 36 18.0          21.4 VqEU069G96
     K16U31R  C2016 10 25.41909 04 01 40.75 +25 36 08.6          20.6 VqEU069G96
     K16U31R  C2016 10 25.42048 04 01 40.15 +25 36 04.9          21.4 VqEU069G96
     K16U31R "C2016 10 26.30732203 56 35.74 +24 59 46.8          21.1 RtEU069705
     K16U31R "C2016 10 26.30838803 56 35.38 +24 59 44.6          20.9 RtEU069705
     K16U31R "C2016 10 26.30941203 56 34.94 +24 59 41.6          20.8 RtEU069705
     K16U31R  C2016 10 26.31325 03 56 33.96 +24 59 32.6          22.1 VqEU069I52
     K16U31R  C2016 10 26.31608 03 56 32.94 +24 59 25.6          21.0 VqEU069I52
     K16U31R  C2016 10 26.31917 03 56 31.76 +24 59 18.3          21.6 VqEU069I52
 
Observer details:
705 Apache Point.  Observers K. Nault, M. Hammergren, M. Brucker.  Measurer
    K. Nault.  3.5-m f/10 reflector + CCD.
G96 Mt. Lemmon Survey.  Observers R. G. Matheny, G. J. Leonard.  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.  1.5-m reflector + 10K CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observer R. A. Kowalski.
    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:
2016 UR31                                                Earth MOID = 0.0029 AU
Epoch 2016 July 31.0 TT = JDT 2457600.5                 MPC
M 349.49448              (2000.0)            P               Q
n   0.74133306     Peri.   78.05493     +0.61936375     +0.78474931
a   1.2090951      Node   230.24064     -0.73173989     +0.56610997
e   0.2979957      Incl.    1.75940     -0.28450882     +0.25236486
P   1.33           H   24.7           G   0.15           U   7
Residuals in seconds of arc
161023 G96  0.2-  0.3+    161025 G96  0.0   0.1+    161026 705  0.3-  0.3-
161023 G96  0.4-  0.4-    161025 G96  0.2+  0.1+    161026 I52  0.2-  0.2+
161023 G96  0.2+  0.1+    161025 G96  0.6-  0.1-    161026 I52  0.1+  0.2-
161023 G96  0.4+  0.0     161026 705  0.2+  0.0     161026 I52  0.5-  0.2-
161025 G96  0.0   0.2+    161026 705  0.6+  0.3+

Ephemeris:
2016 UR31                a,e,i = 1.21, 0.30, 2                   q = 0.8488
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2016 09 26    10 36 42.6 +27 23 43   0.06934 0.9478    36.6   140.9    25.8
...
2016 10 11    06 26 37.9 +36 24 45   0.06618 1.0141   102.1    74.3    21.4
...
2016 10 19    04 49 08.3 +30 29 24   0.08336 1.0522   130.7    45.9    21.2
...
2016 10 25    04 04 13.7 +25 53 54   0.1016  1.0813   147.3    29.8    21.2
2016 10 26    03 58 18.9 +25 12 28   0.1051  1.0862   149.8    27.4    21.2
2016 10 27    03 52 45.7 +24 32 30   0.1086  1.0911   152.2    25.1    21.2
...
2016 11 02    03 25 43.0 +21 03 44   0.1320  1.1204   165.2    13.1    21.3
...
2016 11 10    03 02 00.2 +17 41 38   0.1689  1.1591   179.4     0.5    21.3
...
2016 11 25    02 40 54.8 +14 19 08   0.2558  1.2297   159.3    16.5    23.1

A. U. Tomatic                (C) Copyright 2016 MPC           M.P.E.C. 2016-U69




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