Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-19
TLE Epoch: 2018 1 14.  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)
 01/15/2018   08:34:11   (   0.02, -75.19) (  -0.45, -73.19)  228.42                80
 01/17/2018   20:55:44   (  -0.03, -75.23) (  -0.74, -78.31)  351.50                80
 01/18/2018   20:44:13   (  -0.03, -75.24) (  -0.07, -75.51)   30.16                80
 01/19/2018   20:35:22   (  -0.03, -75.25) (   0.55, -72.70)  291.52                80
 01/22/2018   08:56:42   (   0.03, -75.26) (   0.60, -77.77)  285.43                80
 01/23/2018   08:42:31   (   0.03, -75.28) (  -0.06, -74.96)   36.37                80
 01/24/2018   08:31:00   (   0.03, -75.29) (  -0.67, -72.15)  358.12                80
 01/26/2018   20:52:31   (  -0.04, -75.35) (  -0.49, -77.26)  218.67                80
 01/27/2018   20:43:39   (  -0.04, -75.36) (   0.14, -74.45)  103.63                80