Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2020 9 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 09/19/2020   07:36:55   (   0.04,-137.19) (   0.22,-136.34)   96.81                80
 09/19/2020   19:55:30   (  -0.04,-137.19) (   0.90,-141.49)  489.50                80
 09/21/2020   07:24:43   (   0.04,-137.18) (   0.82,-133.37)  431.81                80
 09/21/2020   19:43:19   (  -0.04,-137.17) (   0.24,-138.54)  154.71                80
 09/23/2020   19:33:47   (  -0.04,-137.15) (  -0.36,-135.57)  179.35                80
 09/24/2020   07:52:31   (   0.04,-137.15) (  -0.77,-140.76)  411.94                80
 09/26/2020   07:43:00   (   0.03,-137.12) (  -0.11,-137.81)   78.53                80
 09/28/2020   07:28:08   (   0.02,-137.09) (   0.48,-134.85)  254.64                80
 09/28/2020   19:49:24   (  -0.02,-137.08) (   0.59,-140.01)  332.33                80
 09/30/2020   19:39:52   (  -0.02,-137.05) (   0.01,-137.04)    3.01                80