Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 5 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/10/2019   06:23:18   (  -0.02, -75.19) (  -0.08, -74.95)   27.60                80
 05/12/2019   18:26:31   (  -0.01, -75.19) (  -0.11, -75.72)   60.09                80
 05/13/2019   18:10:27   (  -0.01, -75.20) (   0.88, -71.19)  456.65                80
 05/15/2019   06:32:15   (   0.01, -75.20) (   0.32, -76.46)  143.46                80
 05/16/2019   06:10:51   (   0.01, -75.21) (  -0.73, -71.94)  373.50                80
 05/17/2019   18:32:49   (   0.00, -75.23) (  -0.44, -77.25)  229.98                80
 05/18/2019   18:16:44   (   0.01, -75.24) (   0.55, -72.71)  287.37                80
 05/20/2019   06:38:34   (  -0.01, -75.25) (   0.59, -77.99)  311.65                80
 05/21/2019   06:19:49   (  -0.01, -75.27) (  -0.41, -73.46)  206.03                80
 05/22/2019   18:39:06   (   0.01, -75.29) (  -0.76, -78.77)  396.32                80