Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2021 7 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 07/12/2021   03:24:07   (   0.01, -75.15) (   0.13, -74.52)   71.43                80
 07/14/2021   03:11:54   (   0.02, -75.18) (   0.80, -71.57)  410.54                80
 07/14/2021   15:35:49   (  -0.01, -75.22) (   0.29, -76.73)  171.74                80
 07/16/2021   15:20:55   (  -0.01, -75.25) (  -0.32, -73.77)  168.23                80
 07/17/2021   03:44:57   (  -0.00, -75.23) (  -0.82, -78.95)  423.64                80
 07/19/2021   03:32:45   (   0.00, -75.27) (  -0.14, -76.00)   83.25                80
 07/21/2021   03:17:51   (   0.00, -75.31) (   0.48, -73.04)  257.24                80
 07/21/2021   15:41:45   (   0.01, -75.34) (   0.61, -78.20)  324.96                80
 07/23/2021   15:26:51   (   0.01, -75.38) (  -0.01, -75.24)   16.09                80