Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2018 12 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/29/2018   15:36:20   (   0.03, -75.20) (   0.34, -76.75)  175.29                80
 12/31/2018   15:26:49   (   0.03, -75.23) (  -0.31, -73.79)  163.71                80
 01/01/2019   03:48:12   (  -0.02, -75.22) (  -0.81, -78.98)  427.65                80
 01/03/2019   03:36:02   (  -0.02, -75.25) (  -0.17, -76.03)   88.18                80
 01/05/2019   03:21:10   (  -0.02, -75.29) (   0.42, -73.06)  251.95                80
 01/05/2019   15:42:25   (   0.02, -75.31) (   0.65, -78.23)  331.72                80
 01/07/2019   15:32:54   (   0.03, -75.35) (   0.00, -75.27)    9.26                80
 01/09/2019   15:20:44   (   0.04, -75.40) (  -0.64, -72.32)  350.80                80
 01/10/2019   03:42:07   (  -0.04, -75.40) (  -0.48, -77.51)  239.72                80