Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2021 4 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 04/20/2021   15:18:55   (   0.05, -75.19) (  -0.56, -72.30)  328.93                80
 04/21/2021   03:40:19   (  -0.04, -75.18) (  -0.54, -77.49)  262.84                80
 04/23/2021   03:25:26   (  -0.04, -75.18) (   0.07, -74.53)   73.41                80
 04/25/2021   03:13:14   (  -0.04, -75.19) (   0.75, -71.59)  410.26                80
 04/25/2021   15:34:29   (   0.04, -75.21) (   0.35, -76.75)  174.80                80
 04/27/2021   15:24:56   (   0.04, -75.22) (  -0.27, -73.79)  162.63                80
 04/28/2021   03:46:20   (  -0.04, -75.21) (  -0.83, -78.98)  428.31                80
 04/30/2021   03:34:07   (  -0.03, -75.23) (  -0.20, -76.03)   90.80                80
 05/02/2021   03:19:14   (  -0.03, -75.24) (   0.43, -73.07)  247.03                80
 05/02/2021   15:40:28   (   0.02, -75.26) (   0.68, -78.22)  338.18                80