Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 10 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 10/08/2021   07:29:49   (   0.05,-137.21) (   0.24,-136.36)   96.83                80
 10/08/2021   19:51:04   (  -0.05,-137.21) (   0.85,-141.52)  489.69                80
 10/10/2021   07:20:15   (   0.05,-137.20) (   0.86,-133.40)  431.84                80
 10/10/2021   19:38:50   (  -0.05,-137.20) (   0.22,-138.56)  154.92                80
 10/12/2021   19:29:15   (  -0.04,-137.17) (  -0.34,-135.59)  179.16                80
 10/13/2021   07:50:39   (   0.04,-137.17) (  -0.73,-140.79)  412.05                80
 10/15/2021   07:38:25   (   0.03,-137.14) (  -0.10,-137.83)   78.44                80
 10/17/2021   07:23:30   (   0.03,-137.11) (   0.48,-134.86)  255.13                80
 10/17/2021   19:44:45   (  -0.03,-137.11) (   0.60,-140.02)  331.98                80
 10/19/2021   19:32:31   (  -0.03,-137.08) (  -0.04,-137.07)    1.56                80