Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 10 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 10/05/2021   19:23:19   (  -0.05,-137.22) (  -0.69,-134.12)  351.53                80
 10/06/2021   07:44:43   (   0.05,-137.21) (  -0.39,-139.32)  239.47                80
 10/08/2021   07:29:54   (   0.05,-137.20) (   0.23,-136.36)   95.98                75
 10/08/2021   19:51:04   (  -0.05,-137.21) (   0.86,-141.52)  490.36                80
 10/10/2021   07:20:15   (   0.04,-137.19) (   0.85,-133.40)  430.49                80
 10/10/2021   19:38:50   (  -0.04,-137.19) (   0.23,-138.56)  156.09                80
 10/12/2021   19:29:16   (  -0.04,-137.16) (  -0.39,-135.60)  177.47                80
 10/13/2021   07:50:38   (   0.04,-137.15) (  -0.74,-140.79)  414.16                80
 10/15/2021   07:38:25   (   0.03,-137.12) (  -0.11,-137.83)   81.05                80
 10/17/2021   07:23:30   (   0.03,-137.08) (   0.47,-134.86)  252.01                80
 10/17/2021   19:44:44   (  -0.02,-137.08) (   0.62,-140.02)  334.94                80