Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2021 9 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 09/23/2021   03:16:45   (  -0.10, -75.19) (   0.33, -73.03)  244.74                80
 09/23/2021   15:40:39   (   0.11, -75.20) (   0.76, -78.19)  340.09                80
 09/25/2021   15:25:47   (   0.11, -75.21) (   0.11, -75.24)    3.57                80
 09/27/2021   15:13:33   (   0.11, -75.21) (  -0.48, -72.28)  333.41                80
 09/28/2021   03:37:36   (  -0.12, -75.20) (  -0.60, -77.47)  257.98                80
 09/30/2021   03:22:42   (  -0.13, -75.21) (  -0.00, -74.51)   79.37                80
 10/02/2021   03:10:30   (  -0.13, -75.23) (   0.66, -71.56)  417.08                80
 10/02/2021   15:34:24   (   0.14, -75.24) (   0.43, -76.72)  167.54                80
 10/04/2021   15:19:30   (   0.13, -75.26) (  -0.17, -73.76)  170.96                80