Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 3 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 03/11/2021   19:23:57   (   0.04,-137.22) (  -0.63,-134.10)  354.89                80
 03/12/2021   07:48:01   (  -0.04,-137.21) (  -0.47,-139.29)  236.86                80
 03/14/2021   07:33:08   (  -0.04,-137.21) (   0.14,-136.33)   99.07                80
 03/14/2021   19:57:02   (   0.04,-137.22) (   0.96,-141.49)  486.07                80
 03/16/2021   07:20:55   (  -0.04,-137.20) (   0.76,-133.37)  434.57                80
 03/16/2021   19:44:49   (   0.04,-137.21) (   0.35,-138.53)  150.76                80
 03/18/2021   19:29:58   (   0.04,-137.19) (  -0.33,-135.58)  183.91                80
 03/19/2021   07:54:00   (  -0.04,-137.18) (  -0.82,-140.76)  408.34                80
 03/21/2021   07:41:47   (  -0.04,-137.15) (  -0.20,-137.81)   74.86                80
 03/23/2021   07:26:54   (  -0.03,-137.12) (   0.42,-134.85)  257.98                80
 03/23/2021   19:48:10   (   0.03,-137.12) (   0.62,-140.01)  328.18                80