Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2020 6 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 06/19/2020   19:33:48   (   0.02,-137.19) (  -0.30,-135.58)  183.00                80
 06/20/2020   07:52:33   (  -0.02,-137.19) (  -0.76,-140.78)  407.64                80
 06/22/2020   07:40:21   (  -0.02,-137.18) (  -0.18,-137.81)   72.92                80
 06/24/2020   07:30:50   (  -0.02,-137.16) (   0.47,-134.86)  261.06                80
 06/24/2020   19:49:25   (   0.02,-137.15) (   0.65,-140.01)  325.96                80
 06/26/2020   19:39:54   (   0.01,-137.12) (   0.00,-137.06)    7.39                80
 06/28/2020   19:27:43   (   0.01,-137.09) (  -0.65,-134.11)  340.29                80
 06/29/2020   07:46:27   (  -0.01,-137.08) (  -0.47,-139.29)  250.97                80
 07/01/2020   07:36:55   (  -0.01,-137.05) (   0.13,-136.33)   81.14                80