Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2021 4 10.  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   15:25:07   (   0.05, -75.22) (  -0.27, -73.77)  164.00                80
 04/12/2021   03:46:31   (  -0.05, -75.20) (  -0.83, -78.97)  428.44                80
 04/14/2021   03:34:18   (  -0.05, -75.21) (  -0.24, -76.01)   91.04                80
 04/16/2021   03:19:26   (  -0.04, -75.23) (   0.43, -73.06)  246.66                80
 04/16/2021   15:40:41   (   0.04, -75.25) (   0.68, -78.21)  337.17                80
 04/18/2021   15:31:09   (   0.04, -75.27) (   0.02, -75.27)    1.72                80
 04/20/2021   15:18:56   (   0.03, -75.29) (  -0.59, -72.31)  339.17                80
 04/21/2021   03:40:19   (  -0.03, -75.28) (  -0.51, -77.50)  252.58                80
 04/23/2021   03:25:27   (  -0.02, -75.31) (   0.16, -74.55)   86.52                80
 04/23/2021   15:46:42   (   0.02, -75.33) (   0.95, -79.71)  497.34                80