Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2021 6 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)
 06/12/2021   15:36:21   (  -0.02, -75.25) (   0.33, -76.73)  169.19                80
 06/14/2021   15:21:29   (  -0.03, -75.26) (  -0.36, -73.79)  167.73                80
 06/15/2021   03:45:32   (   0.02, -75.25) (  -0.74, -78.98)  423.49                80
 06/17/2021   03:33:20   (   0.03, -75.27) (  -0.11, -76.03)   85.81                80
 06/19/2021   03:18:27   (   0.04, -75.29) (   0.52, -73.07)  252.57                80
 06/19/2021   15:42:21   (  -0.03, -75.31) (   0.58, -78.23)  331.81                80
 06/21/2021   15:27:28   (  -0.03, -75.33) (  -0.05, -75.27)    7.14                80
 06/23/2021   15:15:15   (  -0.03, -75.36) (  -0.69, -72.32)  345.93                80
 06/24/2021   03:39:18   (   0.02, -75.35) (  -0.46, -77.50)  244.70                80
 06/26/2021   03:24:25   (   0.03, -75.38) (   0.18, -74.55)   94.63                80