Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2021 6 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)
 06/19/2021   03:18:26   (   0.03, -75.20) (   0.47, -73.06)  243.71                80
 06/19/2021   15:42:20   (  -0.02, -75.22) (   0.63, -78.21)  341.29                80
 06/21/2021   15:30:07   (  -0.02, -75.18) (  -0.01, -75.26)    8.67                80
 06/23/2021   15:15:15   (  -0.02, -75.15) (  -0.64, -72.31)  324.02                80
 06/24/2021   03:39:17   (   0.02, -75.12) (  -0.51, -77.49)  269.17                80
 06/26/2021   03:24:24   (   0.02, -75.10) (   0.14, -74.53)   63.87                80
 06/28/2021   03:12:11   (   0.03, -75.08) (   0.78, -71.58)  397.73                80
 06/28/2021   15:36:06   (  -0.02, -75.09) (   0.32, -76.74)  186.87                80
 06/30/2021   15:21:13   (  -0.03, -75.08) (  -0.33, -73.78)  148.35                80
 07/01/2021   03:45:16   (   0.02, -75.07) (  -0.81, -78.97)  443.69                80