Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 12 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/15/2021   19:25:08   (  -0.02,-137.21) (  -0.39,-135.60)  183.28                80
 12/16/2021   07:49:11   (   0.02,-137.20) (  -0.74,-140.79)  407.81                80
 12/18/2021   07:36:56   (   0.02,-137.19) (  -0.12,-137.83)   72.88                80
 12/20/2021   07:22:01   (   0.02,-137.17) (   0.51,-134.87)  261.38                80
 12/20/2021   19:43:16   (  -0.02,-137.16) (   0.57,-140.03)  325.24                80
 12/22/2021   19:33:41   (  -0.02,-137.13) (  -0.06,-137.07)    8.92                80
 12/24/2021   19:21:25   (  -0.01,-137.10) (  -0.63,-134.09)  341.51                80
 12/25/2021   07:42:49   (   0.01,-137.09) (  -0.43,-139.29)  250.13                80
 12/27/2021   07:27:53   (   0.01,-137.05) (   0.14,-136.32)   82.44                80