Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2021 4 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 04/16/2021   03:19:26   (  -0.05, -75.22) (   0.43, -73.06)  246.01                80
 04/16/2021   15:40:41   (   0.05, -75.24) (   0.68, -78.22)  338.29                80
 04/18/2021   15:29:18   (   0.04, -75.25) (   0.07, -75.26)    3.32                30
 04/20/2021   15:18:56   (   0.04, -75.27) (  -0.60, -72.31)  337.19                80
 04/21/2021   03:40:20   (  -0.03, -75.26) (  -0.50, -77.50)  254.31                80
 04/23/2021   03:25:27   (  -0.03, -75.29) (   0.11, -74.54)   84.34                80
 04/23/2021   15:46:42   (   0.03, -75.31) (   0.94, -79.71)  499.95                80
 04/25/2021   03:13:15   (  -0.03, -75.32) (   0.79, -71.60)  423.64                80
 04/25/2021   15:34:29   (   0.03, -75.34) (   0.32, -76.75)  160.44                80
 04/27/2021   15:24:57   (   0.03, -75.38) (  -0.30, -73.79)  179.42                80