Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 6 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/08/2021   18:16:32   (   0.02, -75.24) (   0.58, -72.69)  289.96                80
 06/10/2021   06:35:41   (  -0.03, -75.23) (   0.57, -77.97)  311.31                80
 06/11/2021   06:19:36   (  -0.02, -75.24) (  -0.41, -73.43)  205.28                80
 06/12/2021   18:38:54   (   0.03, -75.25) (  -0.77, -78.74)  398.27                80
 06/13/2021   18:22:50   (   0.02, -75.25) (   0.28, -74.22)  118.65                80
 06/15/2021   06:41:58   (  -0.03, -75.26) (   0.93, -79.48)  481.79                80
 06/16/2021   06:25:55   (  -0.02, -75.27) (  -0.11, -74.96)   35.48                80
 06/18/2021   18:26:28   (   0.03, -75.30) (  -0.08, -75.73)   49.57                80
 06/19/2021   18:10:24   (   0.02, -75.31) (   0.97, -71.21)  468.13                80
 06/21/2021   06:29:33   (  -0.03, -75.33) (   0.25, -76.48)  131.38                80