Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2021 6 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)
 06/12/2021   03:12:26   (   0.02, -75.24) (   0.80, -71.58)  415.88                80
 06/12/2021   15:36:21   (  -0.02, -75.25) (   0.30, -76.74)  169.14                80
 06/14/2021   15:21:28   (  -0.03, -75.26) (  -0.32, -73.78)  167.96                80
 06/15/2021   03:45:32   (   0.02, -75.26) (  -0.78, -78.97)  423.05                80
 06/17/2021   03:33:19   (   0.03, -75.27) (  -0.15, -76.02)   85.21                80
 06/19/2021   03:18:26   (   0.04, -75.30) (   0.48, -73.06)  253.39                80
 06/19/2021   15:42:22   (  -0.03, -75.31) (   0.56, -78.23)  331.12                80
 06/21/2021   15:27:29   (  -0.03, -75.34) (  -0.07, -75.28)    8.53                80
 06/23/2021   15:15:16   (  -0.03, -75.37) (  -0.71, -72.32)  347.03                80
 06/24/2021   03:39:19   (   0.02, -75.37) (  -0.44, -77.50)  243.37                80