Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 6 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/15/2021   06:42:00   (  -0.03, -75.26) (   0.91, -79.49)  482.14                80
 06/16/2021   06:25:56   (  -0.03, -75.27) (  -0.12, -74.97)   35.14                80
 06/18/2021   18:26:30   (   0.03, -75.30) (  -0.05, -75.75)   50.18                80
 06/19/2021   18:10:26   (   0.03, -75.31) (   0.92, -71.21)  467.48                80
 06/21/2021   06:29:35   (  -0.04, -75.33) (   0.25, -76.48)  132.19                80
 06/22/2021   06:13:32   (  -0.03, -75.34) (  -0.78, -71.96)  385.45                80
 06/23/2021   18:32:50   (   0.05, -75.37) (  -0.35, -77.28)  216.73                80
 06/24/2021   18:16:45   (   0.04, -75.39) (   0.62, -72.74)  301.15                80
 06/26/2021   06:35:55   (  -0.05, -75.41) (   0.55, -78.02)  297.86                80
 06/27/2021   06:19:51   (  -0.05, -75.43) (  -0.48, -73.49)  220.44                80