Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2021 4 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 04/18/2021   15:28:27   (   0.05, -75.20) (   0.09, -75.25)    7.30                80
 04/20/2021   15:18:55   (   0.05, -75.19) (  -0.58, -72.30)  328.81                80
 04/21/2021   03:40:19   (  -0.04, -75.18) (  -0.52, -77.50)  262.92                80
 04/23/2021   03:25:26   (  -0.04, -75.18) (   0.09, -74.54)   73.26                80
 04/25/2021   03:13:13   (  -0.04, -75.19) (   0.71, -71.58)  410.12                80
 04/25/2021   15:34:29   (   0.04, -75.20) (   0.34, -76.75)  175.02                80
 04/27/2021   15:24:56   (   0.04, -75.22) (  -0.28, -73.79)  162.40                80
 04/28/2021   03:46:20   (  -0.04, -75.21) (  -0.81, -78.99)  428.52                80
 04/29/2021   15:12:43   (   0.03, -75.23) (  -0.90, -70.83)  499.87                80
 04/30/2021   03:34:07   (  -0.03, -75.23) (  -0.19, -76.03)   91.05                80
 05/02/2021   03:19:14   (  -0.03, -75.24) (   0.44, -73.07)  246.75                80