Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 7 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 07/06/2021   07:21:55   (  -0.01,-137.18) (   0.78,-133.38)  431.61                80
 07/06/2021   19:40:30   (   0.01,-137.18) (   0.31,-138.54)  154.66                80
 07/08/2021   19:30:57   (   0.01,-137.18) (  -0.35,-135.58)  182.57                80
 07/09/2021   07:49:40   (  -0.01,-137.19) (  -0.79,-140.77)  407.68                80
 07/11/2021   07:37:27   (  -0.02,-137.18) (  -0.13,-137.82)   71.45                80
 07/13/2021   07:27:53   (  -0.01,-137.18) (   0.48,-134.85)  264.22                80
 07/13/2021   19:46:28   (   0.01,-137.17) (   0.61,-140.01)  322.69                80
 07/15/2021   19:36:54   (   0.00,-137.16) (  -0.00,-137.05)   12.42                80
 07/17/2021   19:24:40   (   0.01,-137.14) (  -0.62,-134.09)  346.79                80
 07/18/2021   07:43:24   (  -0.01,-137.14) (  -0.46,-139.29)  243.99                80