Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 5 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 05/18/2018   07:32:05   (   0.14,-135.34) (   0.18,-135.04)   32.86                80
 05/20/2018   07:19:55   (   0.15,-135.29) (   0.82,-132.09)  363.39                80
 05/20/2018   19:41:10   (  -0.15,-135.30) (   0.27,-137.25)  221.72                80
 05/22/2018   19:26:20   (  -0.15,-135.26) (  -0.37,-134.31)  108.56                80
 05/23/2018   07:50:24   (   0.14,-135.22) (  -0.76,-139.49)  485.85                80
 05/24/2018   19:14:09   (  -0.16,-135.21) (  -0.96,-131.35)  438.69                80
 05/25/2018   07:38:13   (   0.15,-135.17) (  -0.17,-136.53)  155.74                80
 05/27/2018   07:23:23   (   0.15,-135.12) (   0.48,-133.59)  174.10                80
 05/27/2018   19:47:19   (  -0.14,-135.13) (   0.60,-138.75)  410.97                80
 05/29/2018   19:35:08   (  -0.14,-135.07) (   0.00,-135.79)   81.89                80