"Pseudo-MPEC" for S/2004 S 13

Created 2017 May 27 3:16:18 UT using Find_Orb

Astrometry:
    SK04S130  C2004 12 12.46294 07 55 28.49 +20 48 44.7                 54160568
    SK04S130  C2004 12 12.50818 07 55 27.83 +20 48 47.6                 54160568
    SK04S130  C2004 12 13.49872 07 55 12.99 +20 49 39.7                 54160568
    SK04S130  C2004 12 13.51926 07 55 12.65 +20 49 40.3          24.5 R 54160568
    SK04S130  C2004 12 14.60516 07 54 55.51 +20 50 40.7         x24.5 R 54160568
    SK04S130  C2005 01 05.59417 07 48 06.30 +21 13 02.0          25.5 R 54160568
    SK04S130  C2005 01 05.61650 07 48 05.84 +21 13 03.4                 54160568
    SK04S130  C2005 02 16.47726 07 34 11.76 +21 53 21.7                 54160568
    SK04S130  C2005 02 16.49985 07 34 11.45 +21 53 22.8                 54160568
    SK04S130  C2005 03 09.26546 07 30 09.64 +22 04 43.3                 54160568
    SK04S130  C2005 03 09.29799 07 30 09.39 +22 04 44.2                 54160568

Station data:
(568) Mauna Kea  (N19.826114 W155.472200)  US/Hawaii.  Observer D. J. Tholen.
   2.24-m University of Hawaii reflector.

Orbital elements:  S/2004 S 13
   Perisaturn 2004 Nov 10.668820 +/- 4.83 TT = 16:03:06 (JD 2453320.168820)
Epoch 2005 Mar  9.0 TT = JDT 2453438.5                        Gray
M  45.29843 +/- 4.4                 (J2000 ecliptic)
n   0.38281064 +/- 0.0244           Peri.    8.76924 +/- 3.4
a   0.12373952 +/- 0.00523          Node   221.90384 +/- 0.9
e   0.2773886 +/- 0.0305            Incl.  167.43833 +/- 0.07
P   2.57/940.39d           H 15.9   G  0.15   U 10.2
q 0.08941559 +/- 4.59e-5    Q 0.15806346 +/- 0.0113
10 of 11 observations 2004 Dec. 12-2005 Mar. 9; mean residual 0".262
Residuals in arcseconds: 
041212 568  .24-  .13-    041214 568( 5.8-  1.2+)   050216 568  .50+  .33+
041212 568  .16+  .36+    050105 568  .26-  .20+    050309 568  .07-  .35-
041213 568  .26+  .08-    050105 568  .08-  .19+    050309 568  .07-  .17-
041213 568  .01-  .58-    050216 568  .19-  .16+