[Iaude] MPEC R62: 2014 SJ143 [a=1.33,e=0.09,i=18.6,H=21.9]

[mpec at mpcdb1.cfa.harvard.edu]

M.P.E.C. 2017-R62                                Issued 2017 Sept. 15, 15:11 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


                                  2014 SJ143
 
                           Revision to MPEC 2014-S53
 
Additional Observations:
     K14SE3J  C2017 09 13.38917 22 20 33.320+03 43 45.72         21.6 wLER062F51
     K14SE3J  C2017 09 13.40247 22 20 32.480+03 43 10.03         21.6 wLER062F51
     K14SE3J  C2017 09 13.41574 22 20 31.637+03 42 34.08         21.7 wLER062F51
     K14SE3J _C2017 09 14.36629022 19 40.195+02 59 46.44         21.1 GUER062568
     K14SE3J _C2017 09 14.36723122 19 40.136+02 59 43.89         21.2 GUER062568
     K14SE3J _C2017 09 14.36817622 19 40.078+02 59 41.30         21.2 GUER062568
 
Observer details:
568 Mauna Kea.  Observers R. J. Wainscoat, C. Wipper.  Measurers M. Micheli,
    R. J. Wainscoat.  3.6-m Canada-France-Hawaii Telescope + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, 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.
 
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
170913 F51 0.16+ 0.01+    170914 568 0.16+ 0.01+    MPO315314   -0.10 day
 
Orbital elements:
2014 SJ143                                               Earth MOID = 0.2506 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
M 221.92444              (2000.0)            P               Q
n   0.64181561     Peri.  306.99969     -0.58508207     -0.81094406
a   1.3310546      Node   178.74474     +0.80769105     -0.58346540
e   0.0932809      Incl.   18.57465     +0.07289815     -0.04402102
P   1.54           H   21.9           G   0.15           U   4
Residuals in seconds of arc
140919 F51  0.0   0.1-    140922 J04  0.1-  0.1+    141019 J04  0.1+  0.1+
140919 F51  0.3+  0.1-    140923 J04  0.5-  0.4-    170913 F51  0.1-  0.1-
140919 F51  0.2+  0.1+    140924 291  0.3+  0.1-    170913 F51  0.0   0.1+
140920 H21  0.0   0.1+    140924 291  0.1+  0.2+    170913 F51  0.0   0.0
140920 H21  0.1+  0.1-    140924 291  0.1-  0.1+    170914 568  0.1+  0.2-
140920 H21  0.2-  0.3+    141001 F51  0.2-  0.0     170914 568  0.1+  0.2-
140921 291  0.3-  0.1+    141001 F51  0.0   0.0     170914 568  0.1+  0.2-
140921 291  0.1-  0.2+    141001 F51  0.2-  0.2-
140921 291  0.3+  0.1+    141019 J04  0.1+  0.4-

Ephemeris:
2014 SJ143               a,e,i = 1.33, 0.09, 19                  q = 1.2069
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2017 08 16    22 48 56.5 +20 14 24   0.5010  1.4414   142.1    25.5    22.4
...
2017 08 31    22 34 34.5 +13 04 15   0.4440  1.4312   158.2    15.2    21.8
...
2017 09 08    22 25 54.1 +07 42 04   0.4302  1.4248   163.2    11.8    21.6
...
2017 09 14    22 19 59.9 +03 16 25   0.4286  1.4195   161.8    12.8    21.6
2017 09 15    22 19 06.5 +02 31 20   0.4291  1.4186   161.2    13.2    21.6
2017 09 16    22 18 15.2 +01 46 14   0.4298  1.4176   160.4    13.8    21.6
...
2017 09 22    22 13 57.4 -02 40 50   0.4384  1.4118   154.4    17.9    21.8
...
2017 09 30    22 10 55.2 -08 09 49   0.4607  1.4036   144.9    24.2    22.1
...
2017 10 15    22 14 28.2 -16 03 31   0.5283  1.3865   128.0    34.5    22.7

A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-R62