Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 4 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/30/2019   06:10:42   (   0.00, -75.19) (  -0.74, -71.91)  374.42                80
 05/01/2019   18:32:40   (  -0.00, -75.21) (  -0.45, -77.21)  228.48                80
 05/02/2019   18:16:35   (  -0.00, -75.21) (   0.54, -72.68)  288.38                80
 05/04/2019   06:38:24   (   0.00, -75.21) (   0.60, -77.96)  312.55                80
 05/05/2019   06:17:00   (   0.00, -75.22) (  -0.39, -73.43)  204.34                80
 05/06/2019   18:38:57   (  -0.00, -75.24) (  -0.80, -78.73)  398.20                80
 05/07/2019   18:22:54   (  -0.00, -75.25) (   0.25, -74.21)  118.88                80
 05/09/2019   06:44:42   (  -0.00, -75.25) (   0.95, -79.48)  481.63                80
 05/10/2019   06:23:19   (  -0.00, -75.26) (  -0.10, -74.96)   35.47                80
 05/12/2019   18:26:31   (  -0.00, -75.30) (  -0.09, -75.73)   49.21                80
 05/13/2019   18:10:27   (  -0.00, -75.31) (   0.90, -71.20)  468.64                80