Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2021 7 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 07/01/2021   03:45:17   (   0.02, -75.12) (  -0.78, -78.97)  437.67                80
 07/02/2021   15:09:00   (  -0.03, -75.15) (  -0.96, -70.82)  492.41                80
 07/03/2021   03:33:03   (   0.02, -75.13) (  -0.18, -76.01)  100.75                80
 07/05/2021   03:18:10   (   0.02, -75.14) (   0.47, -73.06)  236.67                80
 07/05/2021   15:42:05   (  -0.01, -75.17) (   0.62, -78.21)  345.98                80
 07/07/2021   15:29:51   (  -0.01, -75.18) (   0.02, -75.25)    8.41                80
 07/09/2021   15:14:58   (  -0.02, -75.20) (  -0.64, -72.30)  329.92                80
 07/10/2021   03:39:00   (   0.01, -75.18) (  -0.50, -77.48)  262.58                80
 07/12/2021   03:24:07   (   0.01, -75.20) (   0.17, -74.53)   75.94                80
 07/14/2021   03:11:54   (   0.02, -75.22) (   0.78, -71.57)  415.06                80
 07/14/2021   15:35:48   (  -0.01, -75.26) (   0.31, -76.73)  167.31                80