Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 12 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/11/2021   07:28:23   (   0.02,-137.21) (   0.22,-136.36)   96.70                80
 12/11/2021   19:52:17   (  -0.02,-137.21) (   0.92,-141.51)  489.55                80
 12/13/2021   07:16:08   (   0.02,-137.21) (   0.83,-133.40)  433.40                80
 12/13/2021   19:40:03   (  -0.02,-137.21) (   0.25,-138.56)  152.94                80
 12/15/2021   19:25:08   (  -0.02,-137.21) (  -0.37,-135.60)  183.11                80
 12/16/2021   07:49:11   (   0.02,-137.21) (  -0.76,-140.78)  407.34                80
 12/18/2021   07:36:56   (   0.02,-137.19) (  -0.14,-137.82)   72.29                80
 12/20/2021   07:22:01   (   0.02,-137.17) (   0.49,-134.86)  262.24                80
 12/20/2021   19:43:15   (  -0.01,-137.16) (   0.59,-140.02)  324.94                80
 12/22/2021   19:33:41   (  -0.01,-137.14) (  -0.04,-137.06)    8.98                80