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

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/06/2021   06:13:18   (  -0.01, -75.23) (  -0.73, -71.91)  377.63                80
 06/07/2021   18:32:36   (   0.02, -75.24) (  -0.40, -77.23)  226.47                80
 06/08/2021   18:16:32   (   0.02, -75.24) (   0.59, -72.69)  290.05                80
 06/10/2021   06:35:41   (  -0.03, -75.24) (   0.56, -77.97)  311.04                80
 06/11/2021   06:19:37   (  -0.02, -75.24) (  -0.43, -73.44)  205.59                80
 06/12/2021   18:38:54   (   0.03, -75.25) (  -0.76, -78.74)  398.00                80
 06/13/2021   18:22:49   (   0.02, -75.26) (   0.23, -74.21)  119.01                80
 06/15/2021   06:41:59   (  -0.03, -75.26) (   0.92, -79.49)  481.24                80
 06/16/2021   06:25:54   (  -0.02, -75.27) (  -0.07, -74.95)   36.16                80
 06/18/2021   18:26:28   (   0.03, -75.31) (  -0.06, -75.74)   48.97                80
 06/19/2021   18:10:24   (   0.02, -75.32) (   0.93, -71.20)  468.79                80