Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2020 12 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/15/2020   07:42:40   (   0.02,-137.23) (  -0.12,-137.81)   66.90                80
 12/17/2020   07:27:48   (   0.02,-137.23) (   0.55,-134.86)  269.76                80
 12/17/2020   19:51:43   (  -0.02,-137.23) (   0.55,-140.02)  316.77                80
 12/19/2020   19:36:50   (  -0.02,-137.23) (  -0.06,-137.06)   19.72                80
 12/21/2020   19:24:37   (  -0.02,-137.22) (  -0.69,-134.09)  355.97                80
 12/22/2020   07:48:41   (   0.01,-137.23) (  -0.40,-139.29)  234.06                80
 12/24/2020   07:33:48   (   0.02,-137.22) (   0.22,-136.33)  101.71                80
 12/24/2020   19:57:42   (  -0.01,-137.21) (   0.88,-141.48)  485.22                80
 12/26/2020   07:21:35   (   0.02,-137.20) (   0.86,-133.37)  436.78                80
 12/26/2020   19:42:50   (  -0.01,-137.20) (   0.25,-138.52)  150.34                80
 12/28/2020   19:33:16   (  -0.01,-137.17) (  -0.32,-135.55)  183.91                80