Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 7 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 07/24/2021   19:30:39   (  -0.00,-137.18) (  -0.37,-135.58)  183.01                80
 07/25/2021   07:49:23   (   0.01,-137.17) (  -0.73,-140.77)  409.25                80
 07/27/2021   07:37:10   (   0.02,-137.15) (  -0.11,-137.81)   75.39                80
 07/29/2021   07:27:37   (   0.02,-137.13) (   0.52,-134.86)  258.50                80
 07/29/2021   19:46:12   (  -0.02,-137.13) (   0.59,-140.01)  327.58                80
 07/31/2021   19:36:39   (  -0.02,-137.11) (  -0.03,-137.06)    5.84                80
 08/02/2021   19:24:26   (  -0.01,-137.08) (  -0.66,-134.10)  338.56                80
 08/03/2021   07:43:09   (   0.01,-137.06) (  -0.49,-139.28)  253.88                80
 08/05/2021   07:30:56   (  -0.01,-137.02) (   0.13,-136.33)   78.12                80