Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2021 6 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 06/08/2021   03:39:32   (   0.01, -75.23) (  -0.47, -77.49)  257.19                80
 06/10/2021   03:24:39   (   0.02, -75.23) (   0.15, -74.53)   79.24                80
 06/12/2021   03:12:27   (   0.03, -75.24) (   0.83, -71.59)  415.82                80
 06/12/2021   15:36:22   (  -0.02, -75.25) (   0.27, -76.74)  169.16                80
 06/14/2021   15:21:29   (  -0.03, -75.26) (  -0.35, -73.79)  167.92                80
 06/15/2021   03:45:32   (   0.03, -75.26) (  -0.75, -78.98)  423.13                80
 06/17/2021   03:33:19   (   0.03, -75.27) (  -0.12, -76.02)   85.26                80
 06/19/2021   03:18:26   (   0.04, -75.30) (   0.51, -73.07)  253.27                80
 06/19/2021   15:42:21   (  -0.03, -75.31) (   0.59, -78.23)  331.17                80
 06/21/2021   15:27:28   (  -0.03, -75.34) (  -0.04, -75.27)    7.88                80