Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 1 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 01/07/2021   07:48:40   (  -0.01,-137.22) (  -0.45,-139.30)  236.94                80
 01/09/2021   07:33:48   (   0.01,-137.22) (   0.18,-136.35)   99.20                80
 01/09/2021   19:57:43   (  -0.01,-137.23) (   0.88,-141.51)  486.51                80
 01/11/2021   07:21:36   (   0.02,-137.22) (   0.81,-133.39)  434.52                80
 01/11/2021   19:42:51   (  -0.02,-137.23) (   0.24,-138.56)  151.25                80
 01/13/2021   19:33:18   (  -0.01,-137.21) (  -0.33,-135.59)  184.02                80
 01/14/2021   07:54:42   (   0.01,-137.20) (  -0.77,-140.78)  407.44                80
 01/16/2021   07:39:50   (   0.01,-137.19) (  -0.13,-137.83)   72.44                80
 01/18/2021   07:30:18   (  -0.00,-137.18) (   0.52,-134.88)  262.45                80
 01/18/2021   19:48:53   (   0.00,-137.18) (   0.60,-140.03)  323.68                80
 01/20/2021   19:39:21   (  -0.00,-137.16) (  -0.05,-137.08)   10.97                80