Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2021 7 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 07/19/2021   03:32:44   (  -0.00, -75.20) (  -0.18, -75.99)   90.85                80
 07/21/2021   03:17:50   (   0.00, -75.22) (   0.44, -73.03)  247.65                80
 07/21/2021   15:41:45   (   0.01, -75.25) (   0.65, -78.19)  335.27                80
 07/23/2021   15:26:52   (   0.01, -75.27) (  -0.03, -75.24)    4.84                80
 07/25/2021   15:14:38   (  -0.00, -75.30) (  -0.65, -72.28)  343.53                80
 07/26/2021   03:38:41   (  -0.01, -75.29) (  -0.48, -77.47)  247.83                80
 07/28/2021   03:23:47   (  -0.01, -75.33) (   0.15, -74.51)   93.21                80
 07/28/2021   15:47:41   (   0.02, -75.36) (   0.94, -79.67)  489.22                80
 07/30/2021   03:11:34   (  -0.00, -75.38) (   0.84, -71.56)  435.07                80
 07/30/2021   15:35:27   (   0.02, -75.42) (   0.32, -76.71)  147.15                80