Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-20
TLE Epoch: 2018 12 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NOAA-20 Lat/Lon    Distance(km)  Time Diff(sec)
 12/31/2018   06:10:41   (   0.00, -75.19) (  -0.76, -71.92)  373.36                80
 01/01/2019   18:35:19   (  -0.01, -75.20) (  -0.45, -77.22)  229.95                80
 01/02/2019   18:13:54   (  -0.01, -75.21) (   0.53, -72.68)  286.95                80
 01/04/2019   06:38:24   (   0.01, -75.21) (   0.62, -77.96)  312.82                80
 01/05/2019   06:17:00   (   0.01, -75.22) (  -0.42, -73.44)  204.22                80
 01/06/2019   18:41:37   (  -0.01, -75.24) (  -0.78, -78.74)  398.34                80
 01/07/2019   18:20:14   (  -0.01, -75.25) (   0.25, -74.21)  119.17                80
 01/09/2019   06:44:42   (   0.01, -75.27) (   0.96, -79.48)  479.40                80
 01/10/2019   06:23:19   (   0.01, -75.29) (  -0.08, -74.95)   38.34                80
 01/12/2019   18:29:13   (  -0.01, -75.34) (  -0.07, -75.73)   44.91                80