Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2018 1 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 01/04/2018   15:32:52   (   0.00, -75.22) (  -0.02, -75.26)    5.59                80
 01/06/2018   15:18:01   (   0.01, -75.24) (  -0.60, -72.30)  334.57                80
 01/07/2018   03:39:24   (  -0.01, -75.22) (  -0.52, -77.49)  258.09                80
 01/09/2018   03:29:53   (  -0.01, -75.26) (   0.13, -74.53)   82.07                80
 01/09/2018   15:51:09   (   0.01, -75.30) (   0.95, -79.69)  499.96                80
 01/11/2018   03:17:42   (  -0.01, -75.30) (   0.78, -71.58)  422.77                80
 01/11/2018   15:38:58   (   0.01, -75.34) (   0.30, -76.74)  159.18                80
 01/13/2018   15:24:07   (   0.01, -75.38) (  -0.35, -73.79)  182.14                80
 01/14/2018   03:45:31   (  -0.01, -75.36) (  -0.75, -78.98)  410.17                80
 01/16/2018   03:33:19   (  -0.01, -75.42) (  -0.15, -76.01)   68.20                80