Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2020 6 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/13/2020   06:23:00   (   0.01, -75.17) (  -0.05, -74.88)   32.34                80
 06/15/2020   18:26:11   (  -0.01, -75.19) (  -0.13, -75.65)   52.06                80
 06/16/2020   18:10:07   (  -0.00, -75.21) (   0.91, -71.12)  465.70                80
 06/18/2020   06:31:54   (  -0.00, -75.22) (   0.27, -76.38)  133.40                80
 06/19/2020   06:10:30   (  -0.01, -75.23) (  -0.77, -71.86)  384.27                80
 06/20/2020   18:32:25   (   0.01, -75.25) (  -0.44, -77.15)  217.20                80
 06/21/2020   18:16:20   (   0.01, -75.26) (   0.60, -72.63)  300.90                80
 06/23/2020   06:38:08   (  -0.00, -75.28) (   0.58, -77.89)  297.39                80
 06/24/2020   06:16:43   (  -0.00, -75.29) (  -0.47, -73.36)  220.76                80
 06/25/2020   18:38:39   (   0.00, -75.32) (  -0.74, -78.66)  380.30                80