Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 10 8.  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) (   0.22,-136.36)   96.89                80
 10/08/2021   19:51:03   (  -0.05,-137.21) (   0.87,-141.52)  489.69                80
 10/10/2021   07:20:15   (   0.05,-137.20) (   0.85,-133.40)  431.96                80
 10/10/2021   19:38:49   (  -0.05,-137.20) (   0.24,-138.56)  154.84                80
 10/12/2021   19:29:16   (  -0.04,-137.18) (  -0.39,-135.60)  179.27                80
 10/13/2021   07:50:38   (   0.04,-137.17) (  -0.75,-140.79)  411.83                80
 10/15/2021   07:38:24   (   0.03,-137.14) (  -0.11,-137.83)   78.12                80
 10/17/2021   07:23:30   (   0.03,-137.12) (   0.53,-134.87)  255.51                80
 10/17/2021   19:44:44   (  -0.03,-137.11) (   0.62,-140.02)  331.66                80
 10/19/2021   19:35:10   (  -0.03,-137.08) (  -0.03,-137.07)    1.67                80
 10/21/2021   19:22:56   (  -0.03,-137.05) (  -0.68,-134.11)  334.43                80