Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 10 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 10/03/2021   19:35:33   (  -0.05,-137.22) (  -0.09,-137.09)   15.16                80
 10/05/2021   19:23:19   (  -0.05,-137.21) (  -0.70,-134.13)  351.26                80
 10/06/2021   07:44:43   (   0.05,-137.21) (  -0.38,-139.32)  239.83                80
 10/08/2021   07:29:49   (   0.05,-137.20) (   0.24,-136.36)   95.43                80
 10/08/2021   19:51:04   (  -0.05,-137.20) (   0.85,-141.52)  490.92                80
 10/10/2021   07:20:15   (   0.04,-137.18) (   0.86,-133.40)  429.75                80
 10/10/2021   19:38:50   (  -0.04,-137.18) (   0.23,-138.56)  156.86                80
 10/12/2021   19:29:15   (  -0.04,-137.15) (  -0.34,-135.59)  176.53                80
 10/13/2021   07:50:39   (   0.04,-137.14) (  -0.74,-140.79)  415.20                80
 10/15/2021   07:38:25   (   0.03,-137.10) (  -0.11,-137.83)   82.30                80