Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2021 9 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 09/27/2021   15:13:33   (   0.10, -75.21) (  -0.53, -72.28)  332.53                80
 09/28/2021   03:37:37   (  -0.10, -75.19) (  -0.56, -77.48)  260.18                80
 09/30/2021   03:22:43   (  -0.11, -75.19) (   0.04, -74.52)   76.70                80
 10/02/2021   03:10:29   (  -0.11, -75.20) (   0.65, -71.56)  414.03                80
 10/02/2021   15:34:24   (   0.12, -75.23) (   0.44, -76.72)  169.51                80
 10/04/2021   15:19:31   (   0.12, -75.24) (  -0.23, -73.77)  168.59                80
 10/05/2021   03:43:34   (  -0.12, -75.23) (  -0.92, -78.95)  423.49                80
 10/07/2021   03:31:20   (  -0.12, -75.25) (  -0.30, -75.99)   84.82                80
 10/09/2021   03:16:26   (  -0.12, -75.27) (   0.32, -73.03)  254.23                80
 10/09/2021   15:37:41   (   0.13, -75.30) (   0.77, -78.19)  329.24                80