Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 6 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/02/2021   18:26:17   (   0.01, -75.24) (  -0.10, -75.70)   52.89                80
 06/03/2021   18:10:14   (   0.00, -75.25) (   0.95, -71.18)  464.84                80
 06/05/2021   06:32:02   (  -0.01, -75.26) (   0.26, -76.44)  134.62                80
 06/06/2021   06:10:39   (  -0.01, -75.28) (  -0.78, -71.92)  383.34                80
 06/07/2021   18:32:36   (   0.02, -75.32) (  -0.40, -77.23)  217.83                80
 06/08/2021   18:16:32   (   0.02, -75.33) (   0.58, -72.69)  300.47                80
 06/10/2021   06:38:21   (  -0.03, -75.36) (   0.57, -77.97)  298.16                80
 06/11/2021   06:19:37   (  -0.02, -75.38) (  -0.48, -73.45)  220.22                80
 06/12/2021   18:38:55   (   0.03, -75.41) (  -0.70, -78.76)  380.57                80
 06/13/2021   18:22:50   (   0.02, -75.44) (   0.29, -74.22)  138.20                80