Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2020 1 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 01/11/2020   19:33:28   (   0.00,-137.20) (  -0.32,-135.58)  183.37                80
 01/12/2020   07:52:12   (   0.00,-137.18) (  -0.79,-140.77)  408.70                80
 01/14/2020   07:40:01   (  -0.01,-137.16) (  -0.12,-137.82)   74.47                80
 01/16/2020   07:30:29   (  -0.01,-137.14) (   0.49,-134.86)  259.43                80
 01/16/2020   19:49:04   (   0.01,-137.14) (   0.62,-140.01)  326.66                80
 01/18/2020   19:39:32   (   0.01,-137.11) (   0.01,-137.05)    6.62                80
 01/20/2020   19:27:20   (   0.01,-137.07) (  -0.61,-134.09)  338.96                80
 01/21/2020   07:46:04   (   0.00,-137.05) (  -0.50,-139.28)  253.61                80
 01/23/2020   07:36:32   (  -0.00,-137.01) (   0.12,-136.32)   78.26                80