Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2021 7 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 07/21/2021   03:17:50   (   0.00, -75.19) (   0.44, -73.03)  244.34                80
 07/21/2021   15:41:45   (   0.01, -75.21) (   0.65, -78.19)  339.32                80
 07/23/2021   15:29:31   (   0.01, -75.21) (   0.03, -75.23)    2.91                80
 07/25/2021   15:14:37   (  -0.00, -75.23) (  -0.60, -72.27)  335.39                80
 07/26/2021   03:38:41   (  -0.01, -75.21) (  -0.48, -77.47)  256.30                80
 07/28/2021   03:23:47   (  -0.01, -75.23) (   0.15, -74.51)   82.66                80
 07/30/2021   03:11:33   (  -0.00, -75.27) (   0.78, -71.55)  422.50                80
 07/30/2021   15:35:27   (   0.02, -75.29) (   0.31, -76.71)  160.46                80
 08/01/2021   15:20:34   (   0.01, -75.33) (  -0.32, -73.75)  180.08                80