Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 9 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)
 09/25/2018   07:17:13   (   0.32,-135.55) (   1.06,-132.17)  384.52                80
 09/25/2018   19:38:27   (  -0.33,-135.61) (   0.05,-137.33)  195.93                80
 09/27/2018   19:28:55   (  -0.33,-135.63) (  -0.60,-134.37)  143.14                80
 09/28/2018   07:50:19   (   0.34,-135.59) (  -0.49,-139.56)  451.39                80
 09/29/2018   19:16:42   (  -0.33,-135.65) (  -1.20,-131.41)  481.44                80
 09/30/2018   07:38:06   (   0.34,-135.61) (   0.10,-136.60)  113.56                80
 10/02/2018   07:23:14   (   0.33,-135.61) (   0.76,-133.65)  223.40                80
 10/02/2018   19:44:29   (  -0.34,-135.64) (   0.35,-138.80)  359.25                80
 10/04/2018   19:32:17   (  -0.33,-135.64) (  -0.31,-135.85)   23.01                80
 10/06/2018   19:22:44   (  -0.33,-135.63) (  -0.91,-132.88)  312.92                80
 10/07/2018   07:44:08   (   0.34,-135.60) (  -0.18,-138.07)  280.79                80