Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2020 6 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/04/2020   18:32:30   (   0.00, -75.16) (  -0.42, -77.19)  230.32                80
 06/05/2020   18:16:25   (   0.01, -75.16) (   0.56, -72.65)  285.60                80
 06/07/2020   06:38:12   (  -0.01, -75.15) (   0.63, -77.91)  315.56                80
 06/08/2020   06:16:47   (  -0.01, -75.14) (  -0.41, -73.39)  200.59                80
 06/09/2020   18:38:43   (   0.00, -75.14) (  -0.81, -78.68)  403.64                80
 06/10/2020   18:22:38   (   0.00, -75.14) (   0.23, -74.15)  113.22                80
 06/12/2020   06:44:26   (  -0.00, -75.15) (   0.96, -79.42)  486.12                80
 06/13/2020   06:23:01   (  -0.00, -75.16) (  -0.08, -74.89)   31.15                80
 06/15/2020   18:26:12   (  -0.00, -75.18) (  -0.09, -75.66)   54.22                80
 06/16/2020   18:10:06   (  -0.00, -75.19) (   0.89, -71.12)  463.71                80