Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 11 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 11/20/2021   19:34:32   (  -0.04,-137.22) (  -0.05,-137.09)   14.25                80
 11/22/2021   19:22:18   (  -0.03,-137.20) (  -0.68,-134.13)  348.94                80
 11/23/2021   07:43:42   (   0.03,-137.19) (  -0.40,-139.33)  242.66                80
 11/25/2021   07:28:47   (   0.02,-137.17) (   0.17,-136.36)   91.33                80
 11/25/2021   19:50:02   (  -0.02,-137.17) (   0.91,-141.52)  495.19                80
 11/27/2021   07:16:33   (   0.02,-137.14) (   0.81,-133.41)  424.76                80
 11/27/2021   19:37:48   (  -0.02,-137.14) (   0.28,-138.56)  161.85                80
 11/29/2021   19:28:14   (  -0.01,-137.11) (  -0.36,-135.61)  171.03                80
 11/30/2021   07:49:37   (   0.01,-137.09) (  -0.77,-140.80)  420.88                80
 12/02/2021   07:37:22   (   0.01,-137.05) (  -0.18,-137.83)   89.05                80