Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 6 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 06/27/2021   07:28:11   (  -0.02,-137.19) (   0.48,-134.86)  264.74                80
 06/27/2021   19:46:45   (   0.02,-137.19) (   0.62,-140.02)  321.29                80
 06/29/2021   19:37:12   (   0.01,-137.19) (  -0.03,-137.07)   14.08                80
 07/01/2021   19:24:59   (   0.01,-137.18) (  -0.62,-134.10)  349.15                80
 07/02/2021   07:43:42   (  -0.01,-137.17) (  -0.47,-139.30)  242.31                80
 07/04/2021   07:34:09   (  -0.01,-137.15) (   0.19,-136.34)   92.43                80
 07/04/2021   19:52:44   (   0.01,-137.15) (   0.90,-141.50)  494.12                80
 07/06/2021   07:21:55   (  -0.02,-137.13) (   0.79,-133.38)  426.37                80
 07/06/2021   19:40:30   (   0.02,-137.13) (   0.31,-138.54)  160.29                80
 07/08/2021   19:30:56   (   0.02,-137.09) (  -0.30,-135.57)  172.68                80
 07/09/2021   07:52:20   (  -0.02,-137.08) (  -0.78,-140.77)  419.12                80