Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 5 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/30/2021   06:44:28   (  -0.01, -75.20) (   0.94, -79.45)  484.70                80
 05/31/2021   06:25:44   (  -0.01, -75.21) (  -0.10, -74.93)   32.41                80
 06/02/2021   18:26:17   (   0.00, -75.24) (  -0.11, -75.70)   52.43                80
 06/03/2021   18:10:14   (   0.00, -75.26) (   0.93, -71.17)  465.49                80
 06/05/2021   06:29:22   (  -0.01, -75.27) (   0.28, -76.44)  133.60                80
 06/06/2021   06:10:38   (  -0.01, -75.29) (  -0.76, -71.92)  384.53                80
 06/07/2021   18:32:36   (   0.01, -75.33) (  -0.42, -77.22)  216.60                80
 06/08/2021   18:16:32   (   0.01, -75.35) (   0.62, -72.70)  301.84                80
 06/10/2021   06:38:22   (  -0.02, -75.37) (   0.53, -77.98)  296.41                80
 06/11/2021   06:19:37   (  -0.02, -75.39) (  -0.45, -73.44)  222.12                80
 06/12/2021   18:38:54   (   0.03, -75.43) (  -0.72, -78.75)  378.63                80