Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-19
TLE Epoch: 2018 1 9.  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)
 01/09/2018   20:47:25   (  -0.02, -75.20) (  -0.33, -76.55)  154.42                80
 01/10/2018   20:38:35   (  -0.02, -75.20) (   0.34, -73.75)  166.26                80
 01/11/2018   20:27:03   (  -0.02, -75.21) (   0.95, -70.94)  487.03                80
 01/13/2018   08:59:53   (   0.02, -75.19) (   0.83, -78.81)  411.98                80
 01/14/2018   08:48:21   (   0.02, -75.20) (   0.24, -75.99)   91.15                80
 01/15/2018   08:34:11   (   0.02, -75.21) (  -0.42, -73.19)  229.91                80
 01/17/2018   20:55:44   (  -0.03, -75.25) (  -0.71, -78.32)  349.90                80
 01/18/2018   20:44:13   (  -0.03, -75.26) (  -0.09, -75.51)   28.19                80
 01/19/2018   20:35:22   (  -0.03, -75.27) (   0.59, -72.71)  293.66                80
 01/22/2018   08:56:41   (   0.03, -75.29) (   0.62, -77.76)  282.04                80
 01/23/2018   08:42:31   (   0.03, -75.31) (  -0.05, -74.96)   39.96                80