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

     Date     Time(GOES-16)   GOES-16 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 09/11/2021   15:13:49   (   0.09, -75.22) (  -0.51, -72.27)  334.56                80
 09/12/2021   03:37:53   (  -0.10, -75.20) (  -0.58, -77.46)  257.03                80
 09/14/2021   03:23:00   (  -0.11, -75.21) (   0.05, -74.51)   79.94                80
 09/16/2021   03:10:47   (  -0.11, -75.22) (   0.69, -71.56)  417.31                80
 09/16/2021   15:34:41   (   0.12, -75.24) (   0.41, -76.71)  166.98                80
 09/18/2021   15:19:47   (   0.12, -75.26) (  -0.17, -73.75)  171.47                80
 09/19/2021   03:43:51   (  -0.13, -75.26) (  -0.92, -78.94)  419.36                80
 09/21/2021   03:31:38   (  -0.13, -75.29) (  -0.27, -75.99)   79.77                80
 09/23/2021   03:16:45   (  -0.13, -75.33) (   0.38, -73.04)  260.59                80
 09/23/2021   15:40:40   (   0.14, -75.35) (   0.72, -78.20)  323.21                80