Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-19
TLE Epoch: 2018 10 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 10/21/2018   21:10:09   (   0.00, -75.19) (   0.58, -72.72)  282.24                80
 10/24/2018   09:31:23   (  -0.01, -75.20) (   0.60, -77.75)  290.93                80
 10/25/2018   09:22:29   (  -0.01, -75.21) (  -0.07, -74.93)   31.80                80
 10/26/2018   09:10:54   (  -0.01, -75.21) (  -0.74, -72.11)  354.55                80
 10/28/2018   21:32:10   (   0.01, -75.20) (  -0.42, -77.15)  221.46                80
 10/29/2018   21:17:55   (   0.02, -75.21) (   0.21, -74.31)  101.42                80
 10/30/2018   21:06:20   (   0.02, -75.21) (   0.90, -71.50)  424.44                80
 11/01/2018   09:41:50   (  -0.01, -75.23) (   0.93, -79.36)  471.17                80
 11/02/2018   09:30:15   (  -0.01, -75.24) (   0.31, -76.53)  147.81                80
 11/03/2018   09:16:00   (  -0.02, -75.25) (  -0.37, -73.71)  175.79                80
 11/04/2018   09:04:26   (  -0.02, -75.26) (  -1.05, -70.89)  499.57                80