Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2021 9 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 09/21/2021   03:31:38   (  -0.10, -75.19) (  -0.28, -75.99)   91.08                80
 09/23/2021   03:16:45   (  -0.10, -75.19) (   0.37, -73.04)  244.84                80
 09/23/2021   15:40:40   (   0.11, -75.20) (   0.73, -78.20)  340.04                80
 09/25/2021   15:28:26   (   0.11, -75.21) (   0.14, -75.23)    4.27                80
 09/27/2021   15:13:33   (   0.11, -75.21) (  -0.52, -72.28)  333.51                80
 09/28/2021   03:37:37   (  -0.12, -75.20) (  -0.57, -77.48)  257.80                80
 09/30/2021   03:22:43   (  -0.13, -75.21) (   0.03, -74.52)   79.54                80
 10/02/2021   03:10:29   (  -0.13, -75.23) (   0.63, -71.55)  417.33                80
 10/02/2021   15:34:24   (   0.14, -75.24) (   0.47, -76.71)  167.39                80