• MPC Preparation (Info)

    • MPEC 2016-Y03 : 2016 XO23

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    M.P.E.C. 2016-Y03                                Issued 2016 Dec. 16, 19:12 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 XO23

Observations:
     K16X23O* C2016 12 08.50011 08 55 59.42 +09 09 02.7          20.6 VqEY003G96
     K16X23O  C2016 12 08.50439 08 56 00.55 +09 08 52.6          20.2 VqEY003G96
     K16X23O  C2016 12 08.50872 08 56 01.72 +09 08 42.6          20.7 VqEY003G96
     K16X23O  C2016 12 08.51307 08 56 02.85 +09 08 32.0          20.2 VqEY003G96
     K16X23O  C2016 12 08.53922 08 56 09.87 +09 07 30.5          20.6 VqEY003G96
     K16X23O  C2016 12 08.54134 08 56 10.44 +09 07 24.8          20.6 VqEY003G96
     K16X23O  C2016 12 08.54239 08 56 10.75 +09 07 22.7          20.6 VqEY003G96
     K16X23O  C2016 12 09.31965 08 59 49.40 +08 36 07.8          20.1 VqEY003I52
     K16X23O  C2016 12 09.32100 08 59 49.83 +08 36 04.7          19.8 VqEY003I52
     K16X23O  C2016 12 09.32531 08 59 51.03 +08 35 54.0          20.2 VqEY003I52
     K16X23O  C2016 12 09.32665 08 59 51.38 +08 35 51.6          21.7 VqEY003I52
     K16X23O HC2016 12 09.36315 09 00 01.63 +08 34 22.0                oEY003691
     K16X23O HC2016 12 09.36781 09 00 02.96 +08 34 10.1                oEY003691
     K16X23O HC2016 12 09.37248 09 00 04.21 +08 33 59.2                oEY003691
     K16X23O HC2016 12 13.14765 09 19 18.95 +05 42 35.5                UEY003204
     K16X23O HC2016 12 13.16313 09 19 23.93 +05 41 48.1          20   GUEY003204
     K16X23O  C2016 12 15.46268909 32 41.70 +03 39 43.6          20.3 GUEY003H01
     K16X23O  C2016 12 15.46617309 32 42.94 +03 39 31.9          20.0 GUEY003H01
     K16X23O  C2016 12 15.47087009 32 44.61 +03 39 16.0          20.3 GUEY003H01
     K16X23O  C2016 12 15.47885309 32 47.43 +03 38 48.8          20.2 GUEY003H01

Observer details:
204 Schiaparelli Observatory.  Observer L. Buzzi.  0.60-m f/4.64 reflector
    + CCD.
691 Steward Observatory, Kitt Peak.  Observer R. S. McMillan.  0.9-m f/3
    reflector + CCD.
G96 Mt. Lemmon Survey.  Observer 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.
H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
    Measurer W. H. Ryan.  2.4-m f/8.9 reflector + CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observer D. C. Fuls.  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 XO23                                           PHA, Earth MOID = 0.0028 AU
Epoch 2017 Feb. 16.0 TT = JDT 2457800.5                 MPC
M   0.81524              (2000.0)            P               Q
n   0.31404332     Peri.  299.01624     -0.99646194     -0.05316372
a   2.1435964      Node   238.00589     +0.07310771     -0.93035660
e   0.6275425      Incl.    4.40192     -0.04145921     -0.36278121
P   3.14           H   20.6           G   0.15           U   9
Residuals in seconds of arc
161208 G96  0.0   0.3+    161209 I52  1.4-  0.6-    161213 204  0.2-  0.6+
161208 G96  0.2-  0.3+    161209 I52  0.6-  0.4-    161213 204  0.4-  0.3-
161208 G96  0.1+  0.5+    161209 I52  0.6-  0.6-    161215 H01  0.0   0.0
161208 G96  0.4-  0.2+    161209 I52  0.9-  0.3+    161215 H01  0.1+  0.1+
161208 G96  0.1-  0.6+    161209 691  0.5+  0.1-    161215 H01  0.2+  0.1+
161208 G96  0.0   0.1-    161209 691  1.1+  0.5-    161215 H01  0.0   0.1-
161208 G96  0.4+  0.3+    161209 691  0.4+  0.0

Ephemeris:
2016 XO23                a,e,i = 2.14, 0.63, 4                   q = 0.7984
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2016 11 16    07 40 41.4 +18 12 20   0.6736  1.4477   119.9    36.3    22.0
...
2016 12 01    08 25 42.4 +13 14 51   0.4724  1.3064   123.3    39.1    21.1
...
2016 12 09    08 58 18.2 +08 49 20   0.3801  1.2307   122.3    42.6    20.6
...
2016 12 15    09 29 54.6 +04 05 45   0.3204  1.1744   119.2    47.0    20.3
2016 12 16    09 35 59.4 +03 09 20   0.3114  1.1650   118.4    48.0    20.2
2016 12 17    09 42 20.4 +02 09 58   0.3027  1.1557   117.6    49.0    20.2
...
2016 12 23    10 26 59.1 -04 51 18   0.2582  1.1006   110.4    56.9    19.9
...
2016 12 31    11 47 00.9 -16 29 27   0.2257  1.0298    95.5    71.9    19.9
...
2017 01 15    14 47 43.3 -31 24 08   0.2643  0.9116    66.6    98.0    21.0

A. U. Tomatic                (C) Copyright 2016 MPC           M.P.E.C. 2016-Y03

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