Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2021 4 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)
 04/11/2021   15:25:06   (   0.05, -75.21) (  -0.23, -73.77)  163.91                80
 04/12/2021   03:46:30   (  -0.05, -75.20) (  -0.87, -78.96)  428.51                80
 04/14/2021   03:34:18   (  -0.05, -75.21) (  -0.21, -76.01)   91.44                80
 04/16/2021   03:19:25   (  -0.05, -75.22) (   0.39, -73.05)  245.89                80
 04/16/2021   15:40:41   (   0.05, -75.24) (   0.66, -78.22)  338.17                80
 04/18/2021   15:28:28   (   0.04, -75.26) (   0.06, -75.26)    1.50                80
 04/20/2021   15:18:56   (   0.04, -75.28) (  -0.61, -72.31)  337.48                80
 04/21/2021   03:40:20   (  -0.03, -75.27) (  -0.48, -77.51)  254.25                80
 04/23/2021   03:25:27   (  -0.03, -75.29) (   0.13, -74.55)   84.47                80
 04/23/2021   15:46:42   (   0.03, -75.31) (   0.98, -79.70)  499.56                80
 04/25/2021   03:13:14   (  -0.03, -75.32) (   0.74, -71.59)  423.86                80