Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 10 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 10/01/2021   07:26:32   (   0.05,-137.21) (   0.54,-134.88)  264.99                80
 10/01/2021   19:45:07   (  -0.05,-137.22) (   0.55,-140.04)  320.19                80
 10/03/2021   19:32:53   (  -0.04,-137.24) (  -0.06,-137.08)   17.98                80
 10/05/2021   19:20:40   (  -0.04,-137.25) (  -0.73,-134.13)  355.47                80
 10/06/2021   07:44:42   (   0.04,-137.25) (  -0.41,-139.32)  235.45                80
 10/08/2021   07:29:48   (   0.04,-137.25) (   0.21,-136.36)  101.24                80
 10/08/2021   19:51:03   (  -0.04,-137.26) (   0.88,-141.52)  484.55                80
 10/10/2021   07:20:15   (   0.04,-137.25) (   0.83,-133.40)  436.97                80
 10/10/2021   19:38:49   (  -0.04,-137.25) (   0.25,-138.56)  149.07                80
 10/12/2021   19:29:15   (  -0.03,-137.23) (  -0.37,-135.60)  185.70                80
 10/13/2021   07:50:39   (   0.03,-137.22) (  -0.70,-140.80)  405.84                80