Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2021 9 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 09/14/2021   03:23:00   (  -0.10, -75.19) (   0.05, -74.51)   77.94                80
 09/16/2021   03:10:47   (  -0.11, -75.20) (   0.69, -71.56)  414.44                80
 09/16/2021   15:34:41   (   0.12, -75.21) (   0.41, -76.71)  170.41                80
 09/18/2021   15:19:47   (   0.12, -75.22) (  -0.17, -73.75)  167.16                80
 09/19/2021   03:43:51   (  -0.12, -75.22) (  -0.92, -78.94)  423.59                80
 09/21/2021   03:31:38   (  -0.12, -75.24) (  -0.27, -75.99)   84.89                80
 09/23/2021   03:16:45   (  -0.12, -75.28) (   0.38, -73.04)  254.62                80
 09/23/2021   15:40:40   (   0.13, -75.29) (   0.71, -78.20)  329.74                80
 09/25/2021   15:25:46   (   0.13, -75.33) (   0.12, -75.24)   10.50                80