Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 10 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 10/21/2021   19:22:57   (  -0.05,-137.19) (  -0.71,-134.12)  349.30                80
 10/22/2021   07:44:20   (   0.05,-137.18) (  -0.43,-139.30)  242.02                80
 10/24/2021   07:29:26   (   0.05,-137.16) (   0.23,-136.35)   92.65                80
 10/24/2021   19:50:40   (  -0.04,-137.16) (   0.85,-141.51)  493.79                80
 10/26/2021   07:17:11   (   0.04,-137.14) (   0.83,-133.38)  426.57                80
 10/26/2021   19:38:25   (  -0.04,-137.13) (   0.25,-138.54)  160.02                80
 10/28/2021   19:28:51   (  -0.03,-137.10) (  -0.35,-135.58)  173.13                80
 10/29/2021   07:50:13   (   0.03,-137.09) (  -0.78,-140.76)  418.60                80
 10/31/2021   07:37:59   (   0.02,-137.05) (  -0.11,-137.81)   86.14                80
 11/02/2021   07:23:04   (   0.02,-137.01) (   0.51,-134.85)  245.93                80
 11/02/2021   19:44:18   (  -0.02,-137.00) (   0.63,-140.00)  341.38                80