Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 10 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 10/06/2021   07:44:43   (   0.05,-137.23) (  -0.37,-139.32)  237.63                80
 10/08/2021   07:32:29   (   0.05,-137.25) (   0.25,-136.37)  101.37                80
 10/08/2021   19:53:44   (  -0.05,-137.26) (   0.84,-141.52)  484.15                80
 10/10/2021   07:20:15   (   0.05,-137.27) (   0.87,-133.41)  439.41                80
 10/10/2021   19:41:30   (  -0.05,-137.28) (   0.22,-138.57)  146.35                80
 10/12/2021   19:29:16   (  -0.04,-137.28) (  -0.41,-135.61)  190.72                80
 10/13/2021   07:50:39   (   0.04,-137.28) (  -0.73,-140.79)  399.95                80
 10/15/2021   07:38:25   (   0.03,-137.28) (  -0.09,-137.84)   63.30                80
 10/17/2021   07:23:31   (   0.03,-137.28) (   0.55,-134.88)  273.27                80
 10/17/2021   19:47:26   (  -0.03,-137.28) (   0.54,-140.04)  312.76                80
 10/19/2021   19:32:32   (  -0.03,-137.28) (  -0.10,-137.08)   23.71                80