Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2019 8 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 08/20/2019   19:31:05   (   0.02,-137.20) (  -0.31,-135.59)  182.76                80
 08/21/2019   07:55:08   (  -0.02,-137.20) (  -0.79,-140.78)  407.41                80
 08/23/2019   07:42:56   (  -0.03,-137.21) (  -0.17,-137.82)   70.43                80
 08/25/2019   07:28:04   (  -0.03,-137.21) (   0.45,-134.87)  265.68                80
 08/25/2019   19:52:00   (   0.03,-137.21) (   0.61,-140.03)  320.60                80
 08/27/2019   19:37:08   (   0.04,-137.19) (  -0.02,-137.07)   14.71                80
 08/29/2019   19:24:55   (   0.04,-137.17) (  -0.59,-134.10)  348.71                80
 08/30/2019   07:48:59   (  -0.04,-137.17) (  -0.52,-139.29)  242.25                80
 09/01/2019   07:34:07   (  -0.04,-137.15) (   0.12,-136.34)   91.59                80
 09/01/2019   19:58:03   (   0.04,-137.14) (   0.94,-141.50)  495.32                80