Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-19
TLE Epoch: 2017 12 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)
 12/14/2017   20:45:21   (  -0.01, -75.25) (  -0.36, -76.85)  181.81                80
 12/15/2017   20:36:31   (  -0.01, -75.26) (   0.27, -74.04)  138.75                80
 12/16/2017   20:22:20   (  -0.02, -75.26) (   0.90, -71.23)  459.42                80
 12/18/2017   08:57:49   (   0.02, -75.23) (   0.92, -79.10)  441.95                80
 12/19/2017   08:46:18   (   0.03, -75.23) (   0.28, -76.29)  120.94                80
 12/20/2017   08:32:08   (   0.03, -75.24) (  -0.36, -73.49)  200.21                80
 12/22/2017   20:53:44   (  -0.04, -75.32) (  -0.80, -78.63)  377.73                80
 12/23/2017   20:44:54   (  -0.04, -75.33) (  -0.16, -75.82)   56.18                80
 12/24/2017   20:30:43   (  -0.04, -75.34) (   0.48, -73.02)  265.50                80