Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 5 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 05/05/2021   19:32:01   (   0.04,-137.20) (  -0.29,-135.59)  182.52                80
 05/06/2021   07:53:25   (  -0.03,-137.19) (  -0.80,-140.79)  409.49                80
 05/08/2021   07:41:12   (  -0.03,-137.18) (  -0.16,-137.83)   73.62                80
 05/10/2021   07:26:19   (  -0.03,-137.18) (   0.48,-134.88)  261.82                80
 05/10/2021   19:47:34   (   0.03,-137.19) (   0.61,-140.04)  323.51                80
 05/12/2021   19:38:00   (   0.03,-137.17) (   0.03,-137.07)   11.20                80
 05/14/2021   19:25:47   (   0.02,-137.15) (  -0.62,-134.12)  344.56                80
 05/15/2021   07:47:11   (  -0.02,-137.13) (  -0.46,-139.31)  248.07                80
 05/17/2021   07:32:17   (  -0.01,-137.09) (   0.13,-136.35)   84.55                80