Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 7 31.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 07/31/2021   19:36:39   (  -0.02,-137.21) (  -0.07,-137.06)   17.97                80
 08/02/2021   19:24:25   (  -0.01,-137.22) (  -0.65,-134.10)  354.12                80
 08/03/2021   07:43:09   (   0.01,-137.20) (  -0.44,-139.29)  237.49                80
 08/05/2021   07:30:55   (  -0.02,-137.20) (   0.14,-136.32)   98.44                80
 08/05/2021   19:52:11   (   0.02,-137.20) (   0.90,-141.49)  487.54                80
 08/07/2021   07:18:42   (  -0.01,-137.18) (   0.78,-133.37)  432.52                80
 08/07/2021   19:39:57   (   0.01,-137.18) (   0.32,-138.53)  153.48                80
 08/09/2021   19:30:24   (   0.00,-137.16) (  -0.33,-135.58)  180.29                80
 08/10/2021   07:51:48   (  -0.00,-137.15) (  -0.75,-140.77)  411.72                80
 08/12/2021   07:39:34   (   0.00,-137.12) (  -0.16,-137.81)   78.54                80