Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 6 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 06/18/2021   07:34:25   (  -0.02,-137.20) (   0.18,-136.34)   97.29                80
 06/18/2021   19:53:00   (   0.02,-137.19) (   0.92,-141.50)  489.35                80
 06/20/2021   07:22:12   (  -0.02,-137.19) (   0.81,-133.39)  432.46                80
 06/20/2021   19:40:47   (   0.02,-137.18) (   0.29,-138.55)  154.37                80
 06/22/2021   19:31:13   (   0.02,-137.16) (  -0.29,-135.58)  179.78                80
 06/23/2021   07:49:57   (  -0.02,-137.16) (  -0.80,-140.77)  411.44                80
 06/25/2021   07:37:44   (  -0.02,-137.13) (  -0.16,-137.82)   78.42                80
 06/27/2021   07:28:10   (  -0.02,-137.09) (   0.43,-134.85)  254.17                80
 06/27/2021   19:46:46   (   0.02,-137.09) (   0.61,-140.02)  333.31                80
 06/29/2021   19:34:32   (   0.02,-137.05) (   0.03,-137.06)    1.21                80
 07/01/2021   19:24:59   (   0.01,-137.01) (  -0.62,-134.10)  331.47                80