Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 5 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 05/01/2021   07:32:33   (  -0.05,-137.19) (   0.12,-136.35)   95.28                80
 05/01/2021   19:53:47   (   0.05,-137.20) (   0.98,-141.50)  489.73                80
 05/03/2021   07:20:20   (  -0.04,-137.18) (   0.75,-133.39)  430.44                80
 05/03/2021   19:41:34   (   0.04,-137.19) (   0.34,-138.55)  154.61                80
 05/05/2021   19:32:01   (   0.04,-137.18) (  -0.29,-135.59)  180.51                80
 05/06/2021   07:53:25   (  -0.03,-137.17) (  -0.80,-140.79)  411.83                80
 05/08/2021   07:41:12   (  -0.03,-137.15) (  -0.16,-137.84)   76.94                80
 05/10/2021   07:26:18   (  -0.03,-137.14) (   0.43,-134.87)  257.60                80
 05/10/2021   19:47:33   (   0.03,-137.15) (   0.66,-140.03)  327.89                80
 05/12/2021   19:38:00   (   0.03,-137.12) (   0.01,-137.07)    5.67                80
 05/14/2021   19:25:46   (   0.02,-137.09) (  -0.58,-134.11)  338.35                80