Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2021 1 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 01/04/2021   19:39:27   (   0.01,-137.21) (   0.01,-137.06)   16.19                80
 01/06/2021   19:24:35   (   0.01,-137.19) (  -0.62,-134.11)  350.27                80
 01/07/2021   07:48:39   (  -0.01,-137.18) (  -0.49,-139.30)  241.73                80
 01/09/2021   07:33:48   (   0.01,-137.15) (   0.21,-136.36)   91.24                80
 01/09/2021   19:55:03   (  -0.02,-137.15) (   0.91,-141.51)  495.13                80
 01/11/2021   07:22:39   (   0.01,-137.12) (   0.78,-133.39)  423.85                16
 01/11/2021   19:42:51   (  -0.01,-137.12) (   0.27,-138.55)  162.58                80
 01/13/2021   19:33:18   (  -0.01,-137.08) (  -0.31,-135.59)  169.60                80
 01/14/2021   07:52:02   (   0.01,-137.06) (  -0.80,-140.78)  422.75                80
 01/16/2021   07:39:50   (   0.00,-137.02) (  -0.15,-137.82)   90.85                80