Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2021 10 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 10/04/2021   15:19:31   (   0.10, -75.21) (  -0.20, -73.76)  164.80                80
 10/05/2021   03:43:34   (  -0.10, -75.20) (  -0.88, -78.96)  427.33                80
 10/07/2021   03:31:20   (  -0.10, -75.21) (  -0.26, -76.00)   89.55                80
 10/09/2021   03:16:26   (  -0.10, -75.23) (   0.36, -73.04)  248.54                80
 10/09/2021   15:37:41   (   0.11, -75.25) (   0.73, -78.20)  335.30                80
 10/11/2021   15:28:07   (   0.11, -75.27) (   0.10, -75.24)    3.03                80
 10/13/2021   15:15:53   (   0.12, -75.29) (  -0.52, -72.28)  341.77                80
 10/14/2021   03:37:16   (  -0.12, -75.28) (  -0.61, -77.47)  249.85                80
 10/16/2021   03:22:22   (  -0.12, -75.31) (   0.03, -74.51)   89.97                80
 10/16/2021   15:43:37   (   0.12, -75.33) (   1.06, -79.67)  493.55                80