Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 7 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)
 07/13/2021   07:27:53   (  -0.00,-137.17) (   0.49,-134.86)  263.11                80
 07/13/2021   19:46:28   (  -0.00,-137.16) (   0.60,-140.01)  323.93                80
 07/15/2021   19:36:54   (  -0.01,-137.15) (  -0.01,-137.05)   10.95                80
 07/17/2021   19:24:40   (  -0.00,-137.13) (  -0.63,-134.09)  345.20                80
 07/18/2021   07:43:24   (   0.00,-137.12) (  -0.45,-139.29)  245.68                80
 07/20/2021   07:33:50   (  -0.01,-137.09) (   0.17,-136.33)   87.69                80
 07/20/2021   19:52:25   (   0.01,-137.08) (   0.92,-141.48)  499.94                80
 07/22/2021   07:21:35   (  -0.02,-137.05) (   0.74,-133.35)  420.27                80
 07/22/2021   19:40:10   (   0.02,-137.04) (   0.35,-138.51)  167.53                80
 07/24/2021   19:30:36   (   0.02,-137.00) (  -0.27,-135.55)  164.14                80
 07/25/2021   07:49:20   (  -0.01,-136.99) (  -0.80,-140.75)  427.19                80