Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2020 1 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 01/12/2020   07:52:15   (   0.00,-137.20) (  -0.74,-140.79)  407.08                80
 01/14/2020   07:40:06   (  -0.01,-137.21) (  -0.14,-137.84)   71.53                80
 01/16/2020   07:30:39   (  -0.01,-137.21) (   0.50,-134.90)  262.97                80
 01/16/2020   19:49:16   (   0.00,-137.21) (   0.58,-140.06)  323.34                80
 01/18/2020   19:39:50   (   0.00,-137.21) (  -0.01,-137.12)    9.64                80
 01/20/2020   19:27:46   (   0.00,-137.20) (  -0.64,-134.20)  341.32                80
 01/21/2020   07:46:31   (   0.00,-137.19) (  -0.48,-139.40)  251.28                80
 01/23/2020   07:37:09   (  -0.00,-137.17) (   0.17,-136.48)   78.91                80
 01/25/2020   07:25:08   (  -0.01,-137.15) (   0.73,-133.55)  408.12                80
 01/25/2020   19:43:46   (  -0.00,-137.15) (   0.33,-138.73)  179.76                80