Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 5 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 05/12/2021   19:38:00   (   0.05,-137.19) (   0.03,-137.07)   13.77                80
 05/14/2021   19:25:47   (   0.04,-137.17) (  -0.62,-134.12)  348.06                80
 05/15/2021   07:44:31   (  -0.04,-137.16) (  -0.47,-139.31)  243.69                80
 05/17/2021   07:34:57   (  -0.03,-137.14) (   0.12,-136.35)   89.69                80
 05/17/2021   19:53:32   (   0.03,-137.13) (   0.97,-141.50)  496.96                80
 05/19/2021   07:22:44   (  -0.03,-137.11) (   0.78,-133.39)  422.49                80
 05/19/2021   19:41:19   (   0.02,-137.10) (   0.31,-138.55)  164.27                80
 05/21/2021   19:31:45   (   0.02,-137.07) (  -0.29,-135.59)  168.05                80
 05/22/2021   07:50:29   (  -0.02,-137.05) (  -0.80,-140.78)  424.04                80
 05/23/2021   19:19:31   (   0.02,-137.02) (  -0.89,-132.62)  499.79                80
 05/24/2021   07:38:15   (  -0.02,-137.01) (  -0.19,-137.82)   92.49                80