Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2020 4 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/20/2020   06:38:19   (  -0.01, -75.17) (   0.61, -77.98)  320.39                80
 04/21/2020   06:16:55   (  -0.01, -75.17) (  -0.42, -73.45)  196.20                80
 04/22/2020   18:38:51   (   0.01, -75.19) (  -0.78, -78.75)  406.22                80
 04/23/2020   18:22:47   (   0.01, -75.19) (   0.24, -74.22)  110.80                80
 04/25/2020   06:44:34   (  -0.01, -75.19) (   0.95, -79.49)  489.80                80
 04/26/2020   06:23:09   (  -0.01, -75.20) (  -0.07, -74.96)   27.15                80
 04/28/2020   18:26:21   (   0.01, -75.22) (  -0.10, -75.73)   57.76                80
 04/29/2020   18:10:17   (   0.01, -75.23) (   0.93, -71.20)  459.64                80
 05/01/2020   06:32:04   (  -0.00, -75.23) (   0.27, -76.47)  140.28                80
 05/02/2020   06:10:40   (  -0.00, -75.24) (  -0.75, -71.94)  377.22                80