Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 10 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 10/12/2021   19:29:15   (  -0.04,-137.18) (  -0.36,-135.60)  179.12                80
 10/13/2021   07:50:39   (   0.04,-137.17) (  -0.72,-140.79)  411.70                80
 10/15/2021   07:38:25   (   0.04,-137.15) (  -0.08,-137.84)   78.04                80
 10/17/2021   07:23:30   (   0.03,-137.12) (   0.50,-134.87)  255.68                80
 10/17/2021   19:44:45   (  -0.03,-137.11) (   0.58,-140.03)  331.74                80
 10/19/2021   19:32:31   (  -0.03,-137.08) (  -0.06,-137.07)    3.38                80
 10/21/2021   19:22:56   (  -0.03,-137.05) (  -0.65,-134.10)  334.38                80
 10/22/2021   07:44:19   (   0.03,-137.04) (  -0.48,-139.29)  256.69                80
 10/24/2021   07:32:05   (   0.03,-137.00) (   0.18,-136.34)   75.29                80