Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2017 7 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 07/06/2017   19:25:09   (  -0.06,-135.43) (  -0.34,-134.06)  155.63                80
 07/07/2017   07:49:12   (   0.04,-135.37) (  -0.78,-139.25)  440.81                80
 07/08/2017   19:12:58   (  -0.07,-135.40) (  -0.96,-131.10)  488.22                80
 07/09/2017   07:37:01   (   0.04,-135.34) (  -0.17,-136.29)  108.41                80
 07/11/2017   07:22:10   (   0.06,-135.31) (   0.45,-133.34)  223.32                80
 07/11/2017   19:46:06   (  -0.03,-135.35) (   0.64,-138.50)  357.79                80
 07/13/2017   19:33:55   (  -0.04,-135.31) (   0.03,-135.54)   26.80                80
 07/15/2017   19:19:05   (  -0.05,-135.26) (  -0.63,-132.59)  303.75                80
 07/16/2017   07:43:08   (   0.02,-135.20) (  -0.55,-137.77)  293.09                80
 07/18/2017   07:28:18   (   0.02,-135.14) (   0.11,-134.82)   36.46                80