Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 10 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 10/10/2021   07:20:15   (   0.05,-137.20) (   0.86,-133.40)  431.85                80
 10/10/2021   19:38:50   (  -0.05,-137.20) (   0.22,-138.56)  155.03                80
 10/12/2021   19:29:16   (  -0.04,-137.18) (  -0.40,-135.61)  179.10                80
 10/13/2021   07:50:39   (   0.04,-137.17) (  -0.73,-140.79)  411.97                80
 10/15/2021   07:38:25   (   0.04,-137.14) (  -0.10,-137.83)   78.30                80
 10/17/2021   07:23:30   (   0.03,-137.12) (   0.48,-134.86)  255.31                80
 10/17/2021   19:44:44   (  -0.03,-137.11) (   0.60,-140.02)  331.92                80
 10/19/2021   19:32:31   (  -0.03,-137.08) (  -0.04,-137.07)    1.53                80
 10/21/2021   19:22:56   (  -0.03,-137.04) (  -0.63,-134.10)  334.10                80
 10/22/2021   07:44:19   (   0.03,-137.04) (  -0.44,-139.30)  257.20                80