Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-19
TLE Epoch: 2018 3 12.  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)
 03/15/2018   09:00:10   (   0.03, -75.23) (   0.44, -76.97)  199.22                80
 03/16/2018   08:45:59   (   0.03, -75.25) (  -0.23, -74.17)  123.21                80
 03/17/2018   08:34:27   (   0.03, -75.26) (  -0.90, -71.36)  445.79                80
 03/18/2018   21:07:23   (  -0.04, -75.28) (  -0.95, -79.25)  452.49                80
 03/19/2018   20:55:51   (  -0.03, -75.30) (  -0.29, -76.44)  129.67                80
 03/20/2018   20:47:00   (  -0.03, -75.32) (   0.37, -73.63)  193.20                80
 03/23/2018   09:08:22   (   0.03, -75.38) (   0.80, -78.70)  379.59                80
 03/24/2018   08:56:50   (   0.03, -75.40) (   0.12, -75.90)   56.64                80
 03/25/2018   08:42:38   (   0.03, -75.42) (  -0.50, -73.08)  266.57                80