Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2021 7 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)
 07/12/2021   03:24:07   (   0.01, -75.15) (   0.14, -74.53)   71.11                80
 07/14/2021   03:11:53   (   0.02, -75.18) (   0.76, -71.56)  410.05                80
 07/14/2021   15:35:48   (  -0.01, -75.21) (   0.34, -76.72)  172.23                80
 07/16/2021   15:20:55   (  -0.01, -75.24) (  -0.34, -73.77)  167.54                80
 07/17/2021   03:44:58   (  -0.00, -75.23) (  -0.80, -78.96)  424.41                80
 07/19/2021   03:32:44   (   0.00, -75.26) (  -0.18, -76.00)   84.27                80
 07/21/2021   03:17:51   (   0.00, -75.29) (   0.50, -73.05)  256.07                80
 07/21/2021   15:41:45   (   0.01, -75.33) (   0.65, -78.19)  326.14                80
 07/23/2021   15:26:52   (   0.01, -75.37) (  -0.04, -75.24)   14.74                80