Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 9 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 09/18/2018   19:32:26   (  -0.31,-135.49) (  -0.27,-135.86)   41.54                80
 09/20/2018   19:22:54   (  -0.31,-135.53) (  -0.90,-132.90)  299.34                80
 09/21/2018   07:44:17   (   0.33,-135.49) (  -0.21,-138.09)  294.99                80
 09/23/2018   07:29:25   (   0.32,-135.53) (   0.42,-135.13)   45.02                80
 09/25/2018   07:17:13   (   0.32,-135.56) (   1.04,-132.18)  384.45                80
 09/25/2018   19:38:29   (  -0.33,-135.60) (   0.02,-137.34)  197.38                80
 09/27/2018   19:28:57   (  -0.33,-135.63) (  -0.59,-134.38)  141.36                80
 09/28/2018   07:50:21   (   0.34,-135.60) (  -0.52,-139.57)  451.94                80
 09/29/2018   19:16:45   (  -0.33,-135.64) (  -1.20,-131.42)  479.27                80
 09/30/2018   07:38:10   (   0.34,-135.61) (   0.15,-136.63)  114.51                80