Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 5 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/28/2021   18:22:39   (   0.01, -75.20) (   0.21, -74.17)  116.22                80
 05/30/2021   06:44:28   (  -0.01, -75.20) (   0.94, -79.45)  484.30                80
 05/31/2021   06:23:03   (  -0.00, -75.21) (  -0.05, -74.92)   32.91                80
 06/02/2021   18:26:17   (   0.00, -75.24) (  -0.10, -75.70)   51.92                80
 06/03/2021   18:10:14   (  -0.00, -75.26) (   0.94, -71.18)  466.10                80
 06/05/2021   06:29:22   (  -0.00, -75.28) (   0.27, -76.44)  132.51                80
 06/06/2021   06:13:19   (  -0.00, -75.30) (  -0.77, -71.92)  385.73                80
 06/07/2021   18:32:36   (   0.01, -75.34) (  -0.41, -77.23)  215.55                80
 06/08/2021   18:16:32   (   0.01, -75.36) (   0.63, -72.70)  303.03                80
 06/10/2021   06:35:41   (  -0.02, -75.39) (   0.58, -77.97)  294.78                80