Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 1 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 01/09/2021   07:33:48   (   0.00,-137.22) (   0.20,-136.35)   98.90                80
 01/09/2021   19:57:43   (  -0.00,-137.23) (   0.91,-141.51)  486.90                80
 01/11/2021   07:21:36   (   0.02,-137.21) (   0.84,-133.40)  433.83                80
 01/11/2021   19:42:51   (  -0.02,-137.22) (   0.28,-138.55)  152.03                80
 01/13/2021   19:33:19   (  -0.01,-137.21) (  -0.36,-135.60)  182.97                80
 01/14/2021   07:52:03   (   0.01,-137.20) (  -0.75,-140.79)  408.53                80
 01/16/2021   07:39:51   (   0.00,-137.18) (  -0.10,-137.84)   73.82                80
 01/18/2021   07:30:18   (  -0.01,-137.16) (   0.48,-134.87)  260.94                80
 01/18/2021   19:48:53   (   0.01,-137.17) (   0.64,-140.02)  325.25                80
 01/20/2021   19:39:21   (   0.00,-137.14) (  -0.01,-137.07)    8.67                80