Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2017 12 26.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/26/2017   15:38:56   (   0.01, -75.20) (   0.35, -76.73)  173.90                80
 12/28/2017   15:24:05   (   0.00, -75.22) (  -0.28, -73.77)  163.79                80
 12/29/2017   03:45:30   (   0.00, -75.20) (  -0.78, -78.97)  428.39                80
 12/31/2017   03:33:19   (   0.01, -75.22) (  -0.15, -76.02)   90.42                80
 01/02/2018   03:23:48   (   0.00, -75.24) (   0.48, -73.06)  248.06                80
 01/02/2018   15:45:04   (  -0.00, -75.27) (   0.60, -78.22)  335.29                80
 01/04/2018   15:30:12   (   0.01, -75.30) (   0.03, -75.26)    4.72                80
 01/06/2018   15:18:01   (   0.02, -75.33) (  -0.61, -72.30)  344.24                80
 01/07/2018   03:39:25   (  -0.02, -75.32) (  -0.50, -77.49)  247.50                80