"Pseudo-MPEC" for S/2011 J 1

Created 2017 May 27 3:17:27 UT using Find_Orb

Astrometry:
    SK11J010  C2011 09 27.28038 02 27 24.634+12 22 48.06         23.7 rc77921304
    SK11J010  C2011 09 27.29965 02 27 24.187+12 22 45.67               c77921304
    SK11J010  C2011 09 27.31564 02 27 23.793+12 22 43.44               c77921304
    SK11J010  C2011 09 27.37634 02 27 22.427+12 22 35.36               c77921304
    SK11J010  C2011 09 27.38603 02 27 22.190+12 22 33.93               c77921304
    SK11J010  C2011 09 27.39553 02 27 21.990+12 22 32.87               c77921304
    SK11J010  C2011 09 28.30856 02 27 00.561+12 20 35.90               c77921304
    SK11J010  C2011 09 28.31524 02 27 00.398+12 20 34.90               c77921304
    SK11J010  C2011 09 28.32231 02 27 00.244+12 20 34.10               c77921304
    SK11J010  C2011 10 20.14880 02 16 28.163+11 25 12.00               c77921304
    SK11J010  C2011 10 20.15833 02 16 27.845+11 25 10.53               c77921304
    SK11J010  C2011 10 22.16083 02 15 21.814+11 19 35.03               c77921304
    SK11J010  C2011 10 22.18516 02 15 20.995+11 19 31.47         23.4 rc77921304
    SK11J010  C2011 11 26.13062 01 57 20.529+09 52 16.57         23.5 rc77921304
    SK11J010  C2011 11 26.15984 01 57 19.786+09 52 13.59               c77921304
    SK11J010  C2011 11 28.05637 01 56 34.770+09 48 55.12               c77921304
    SK11J010  C2011 11 28.08546 01 56 34.089+09 48 51.40               c77921304

Station data:
(304) Las Campanas Observatory  (S29.003552 W70.702000)  Chile.  Observers M.
   Holman, D. Trilling, W. Fraser. Measurer M. Holman. 6.5-m Clay reflector +
   CCD.

Orbital elements:  S/2011 J 1
   Perijove 2012 Oct 16.179489 +/- 4.06 TT =  4:18:27 (JD 2456216.679489)
Epoch 2011 Oct 22.0 TT = JDT 2455856.5                        Gray
M 192.41085 +/- 1.3                 (J2000 ecliptic)
n   0.46529341 +/- 0.00325          Peri.   87.48139 +/- 1.1
a   0.16240188 +/- 0.000758         Node   298.34362 +/- 0.22
e   0.1621091 +/- 0.00288           Incl.  164.32406 +/- 0.030
P   2.12/773.69d           H 16.7   G  0.15   U  8.9
q 0.13607504 +/- 0.00109    Q 0.18872871 +/- 0.000409
From 17 observations 2011 Sept. 27-Nov. 28; mean residual 0".435
Residuals in arcseconds: 
110927 304  .41-  .20+    110928 304  .40-  .12+    111022 304  .53-  .62+
110927 304  .23-  .26+    110928 304  .40-  .01-    111126 304  .23+  .29+
110927 304  .41-  .07+    110928 304  .12-  .11+    111126 304  .09+  .48+
110927 304  .76+  .23-    111020 304  .59+  .50-    111128 304  .26-  .04+
110927 304  .66+  .41-    111020 304  .61+  .38-    111128 304  .03-  .75-
110927 304  1.0+  .24-    111022 304  .61-  .10+