Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 9 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 09/22/2021   07:30:07   (   0.04,-137.20) (   0.22,-136.36)   96.51                80
 09/22/2021   19:51:22   (  -0.04,-137.20) (   0.88,-141.51)  489.89                80
 09/24/2021   07:17:54   (   0.04,-137.20) (   0.87,-133.40)  432.33                80
 09/24/2021   19:39:09   (  -0.04,-137.20) (   0.23,-138.56)  154.26                80
 09/26/2021   19:29:35   (  -0.03,-137.19) (  -0.37,-135.60)  180.71                80
 09/27/2021   07:50:59   (   0.03,-137.18) (  -0.72,-140.79)  410.18                80
 09/29/2021   07:38:45   (   0.03,-137.16) (  -0.12,-137.83)   76.16                80
 10/01/2021   07:23:51   (   0.02,-137.14) (   0.48,-134.87)  257.26                80
 10/01/2021   19:45:06   (  -0.02,-137.13) (   0.62,-140.03)  330.07                80
 10/03/2021   19:32:53   (  -0.01,-137.10) (  -0.05,-137.08)    4.27                80