Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 1 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 01/23/2021   07:48:32   (  -0.02,-137.20) (  -0.43,-139.31)  239.33                80
 01/25/2021   07:33:40   (   0.02,-137.18) (   0.22,-136.36)   93.58                80
 01/25/2021   19:54:55   (  -0.02,-137.18) (   0.89,-141.51)  492.28                80
 01/27/2021   07:21:28   (   0.01,-137.14) (   0.82,-133.39)  426.72                80
 01/27/2021   19:42:42   (  -0.01,-137.15) (   0.29,-138.55)  159.37                80
 01/29/2021   19:33:09   (  -0.00,-137.11) (  -0.31,-135.58)  172.86                80
 01/30/2021   07:54:33   (   0.00,-137.09) (  -0.79,-140.78)  419.78                80
 02/01/2021   07:42:20   (  -0.00,-137.04) (  -0.19,-137.81)   88.18                80
 02/03/2021   07:27:28   (  -0.00,-136.99) (   0.48,-134.86)  242.94                80
 02/03/2021   19:48:43   (   0.00,-136.99) (   0.63,-140.02)  343.96                80
 02/05/2021   19:36:30   (  -0.00,-136.93) (   0.02,-137.05)   14.02                80