Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 10 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 10/13/2021   07:50:39   (   0.05,-137.20) (  -0.73,-140.79)  408.25                80
 10/15/2021   07:38:25   (   0.04,-137.20) (  -0.10,-137.83)   72.06                80
 10/17/2021   07:23:31   (   0.04,-137.20) (   0.55,-134.88)  264.04                80
 10/17/2021   19:44:45   (  -0.04,-137.19) (   0.54,-140.04)  323.12                80
 10/19/2021   19:35:11   (  -0.04,-137.18) (  -0.05,-137.07)   12.78                80
 10/21/2021   19:22:57   (  -0.04,-137.17) (  -0.70,-134.12)  347.97                80
 10/22/2021   07:44:19   (   0.04,-137.18) (  -0.43,-139.30)  242.07                80
 10/24/2021   07:29:25   (   0.04,-137.16) (   0.23,-136.35)   92.38                80
 10/24/2021   19:50:39   (  -0.03,-137.14) (   0.91,-141.50)  495.50                80
 10/26/2021   07:17:10   (   0.03,-137.13) (   0.84,-133.38)  426.04                80
 10/26/2021   19:38:25   (  -0.03,-137.11) (   0.25,-138.54)  162.01                80