Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2021 7 31.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 08/01/2021   15:20:39   (   0.02, -75.24) (  -0.30, -73.76)  167.49                80
 08/02/2021   03:44:41   (  -0.03, -75.21) (  -0.85, -78.95)  425.08                80
 08/04/2021   03:32:29   (  -0.03, -75.23) (  -0.21, -75.99)   87.17                80
 08/06/2021   03:17:36   (  -0.03, -75.25) (   0.43, -73.04)  251.00                80
 08/06/2021   15:41:30   (   0.04, -75.28) (   0.67, -78.20)  331.68                80
 08/08/2021   15:26:37   (   0.04, -75.30) (   0.02, -75.24)    7.09                80
 08/10/2021   15:14:25   (   0.03, -75.34) (  -0.63, -72.29)  346.45                80
 08/11/2021   03:38:27   (  -0.05, -75.32) (  -0.52, -77.47)  245.27                80
 08/13/2021   03:23:34   (  -0.04, -75.36) (   0.13, -74.52)   94.77                80
 08/13/2021   15:47:29   (   0.06, -75.39) (   0.97, -79.68)  487.72                80