Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2020 4 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/15/2020   06:32:05   (  -0.02, -75.17) (   0.26, -76.47)  148.04                80
 04/16/2020   06:10:40   (  -0.01, -75.17) (  -0.76, -71.95)  368.80                80
 04/17/2020   18:32:36   (   0.01, -75.20) (  -0.44, -77.25)  232.58                80
 04/18/2020   18:16:32   (   0.01, -75.21) (   0.59, -72.72)  284.91                80
 04/20/2020   06:38:19   (  -0.00, -75.21) (   0.61, -77.98)  315.45                80
 04/21/2020   06:16:55   (  -0.01, -75.22) (  -0.41, -73.45)  202.21                80
 04/22/2020   18:38:51   (   0.01, -75.26) (  -0.78, -78.75)  398.28                80
 04/23/2020   18:22:47   (   0.01, -75.28) (   0.24, -74.22)  119.83                80
 04/25/2020   06:44:34   (  -0.01, -75.29) (   0.95, -79.49)  479.46                80
 04/26/2020   06:23:09   (  -0.01, -75.30) (  -0.07, -74.96)   38.60                80
 04/28/2020   18:26:21   (   0.00, -75.36) (  -0.09, -75.73)   43.32                80