Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 3 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 03/11/2021   19:23:56   (   0.04,-137.22) (  -0.61,-134.10)  354.69                80
 03/12/2021   07:48:00   (  -0.04,-137.21) (  -0.49,-139.29)  237.20                80
 03/14/2021   07:33:07   (  -0.04,-137.20) (   0.12,-136.33)   98.63                80
 03/14/2021   19:54:23   (   0.04,-137.21) (   0.92,-141.50)  486.52                80
 03/16/2021   07:20:55   (  -0.04,-137.19) (   0.80,-133.38)  433.96                80
 03/16/2021   19:42:10   (   0.04,-137.21) (   0.31,-138.54)  151.30                80
 03/18/2021   19:32:37   (   0.03,-137.19) (  -0.30,-135.58)  183.19                80
 03/19/2021   07:54:01   (  -0.03,-137.17) (  -0.79,-140.77)  409.16                80
 03/21/2021   07:41:48   (  -0.03,-137.15) (  -0.17,-137.81)   75.75                80
 03/23/2021   07:29:35   (  -0.02,-137.11) (   0.46,-134.85)  256.86                80
 03/23/2021   19:48:10   (   0.02,-137.12) (   0.65,-140.01)  329.26                80