Simultaneous Nadir Overpasses (SNOs) between GOES-16 and TERRA
TLE Epoch: 2018 12 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/09/2018   03:39:26   (   0.01, -75.17) (  -0.46, -77.52)  266.46                80
 12/11/2018   03:29:58   (   0.01, -75.18) (   0.16, -74.57)   69.09                80
 12/13/2018   03:17:52   (   0.00, -75.19) (   0.79, -71.64)  404.33                80
 12/13/2018   15:36:28   (  -0.00, -75.19) (   0.37, -76.79)  181.98                80
 12/15/2018   15:27:05   (   0.00, -75.21) (  -0.29, -73.87)  152.97                80
 12/16/2018   03:45:52   (   0.00, -75.22) (  -0.80, -79.07)  438.25                80
 12/17/2018   15:15:03   (   0.00, -75.24) (  -0.90, -70.95)  487.43                80
 12/18/2018   03:33:50   (   0.00, -75.24) (  -0.22, -76.15)  103.97                80
 12/20/2018   03:24:31   (   0.00, -75.27) (   0.42, -73.24)  229.78                80
 12/20/2018   15:43:10   (  -0.00, -75.28) (   0.66, -78.42)  357.06                80
 12/22/2018   15:31:13   (  -0.00, -75.30) (   0.04, -75.52)   24.30                80