Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2020 4 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/21/2020   06:16:54   (  -0.01, -75.17) (  -0.40, -73.45)  196.33                80
 04/22/2020   18:38:51   (   0.01, -75.19) (  -0.80, -78.75)  406.11                80
 04/23/2020   18:22:46   (   0.01, -75.19) (   0.23, -74.22)  110.93                80
 04/25/2020   06:44:34   (  -0.01, -75.19) (   0.97, -79.48)  489.58                80
 04/26/2020   06:23:09   (  -0.01, -75.20) (  -0.05, -74.95)   27.44                80
 04/28/2020   18:26:21   (   0.01, -75.22) (  -0.11, -75.73)   57.49                80
 04/29/2020   18:10:16   (   0.01, -75.23) (   0.92, -71.20)  459.93                80
 05/01/2020   06:32:04   (  -0.00, -75.24) (   0.28, -76.46)  139.89                80
 05/02/2020   06:10:39   (  -0.00, -75.25) (  -0.74, -71.93)  377.65                80
 05/03/2020   18:32:36   (   0.00, -75.27) (  -0.44, -77.24)  223.68                80