Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2018 12 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/22/2018   15:30:14   (  -0.01, -75.22) (  -0.00, -75.28)    6.68                80
 12/24/2018   15:20:43   (  -0.01, -75.24) (  -0.65, -72.32)  331.78                80
 12/25/2018   03:42:07   (   0.01, -75.23) (  -0.47, -77.51)  259.57                80
 12/27/2018   03:27:16   (  -0.00, -75.25) (   0.18, -74.56)   79.73                80
 12/29/2018   03:15:04   (  -0.01, -75.29) (   0.76, -71.59)  419.69                80
 12/29/2018   15:36:20   (   0.00, -75.31) (   0.31, -76.75)  164.09                80
 12/31/2018   15:26:49   (   0.00, -75.35) (  -0.35, -73.80)  176.79                80
 01/01/2019   03:48:13   (   0.00, -75.35) (  -0.77, -78.99)  413.70                80
 01/03/2019   03:36:02   (  -0.00, -75.40) (  -0.11, -76.04)   72.27                80