Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2015 12 24.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/24/2015   19:28:00   (  -0.06,-134.90) (  -0.21,-134.08)   92.48                80
 12/26/2015   19:15:50   (  -0.06,-134.82) (  -0.83,-131.13)  418.91                80
 12/27/2015   07:37:14   (   0.04,-134.77) (  -0.30,-136.32)  175.81                80
 12/29/2015   07:22:24   (   0.04,-134.69) (   0.34,-133.37)  150.31                80
 12/29/2015   19:43:39   (  -0.03,-134.68) (   0.81,-138.51)  436.60                80
 12/31/2015   07:10:13   (   0.04,-134.60) (   0.93,-130.41)  476.23                80
 12/31/2015   19:31:29   (  -0.03,-134.59) (   0.16,-135.57)  110.65                80
 01/02/2016   19:21:58   (  -0.03,-134.50) (  -0.44,-132.61)  214.90                80
 01/03/2016   07:43:22   (   0.01,-134.46) (  -0.68,-137.80)  379.11                80
 01/05/2016   07:31:11   (   0.02,-134.36) (  -0.06,-134.84)   54.49                80