Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2015 12 26.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/26/2015   19:15:50   (  -0.06,-134.82) (  -0.83,-131.13)  418.95                80
 12/27/2015   07:37:14   (   0.04,-134.77) (  -0.30,-136.32)  175.97                80
 12/29/2015   07:22:24   (   0.04,-134.68) (   0.33,-133.37)  150.07                80
 12/29/2015   19:43:39   (  -0.03,-134.68) (   0.82,-138.51)  436.67                80
 12/31/2015   07:10:13   (   0.04,-134.59) (   0.91,-130.41)  475.91                80
 12/31/2015   19:31:29   (  -0.03,-134.59) (   0.18,-135.57)  110.80                80
 01/02/2016   19:21:58   (  -0.03,-134.50) (  -0.42,-132.61)  214.63                80
 01/03/2016   07:43:22   (   0.01,-134.46) (  -0.71,-137.79)  379.62                80
 01/05/2016   07:31:11   (   0.02,-134.35) (  -0.10,-134.84)   55.07                80
 01/07/2016   07:16:20   (   0.02,-134.24) (   0.52,-131.88)  268.79                80
 01/07/2016   19:37:36   (  -0.01,-134.22) (   0.57,-137.04)  319.57                80