Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 6 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/11/2021   06:19:36   (  -0.02, -75.24) (  -0.41, -73.43)  205.25                80
 06/12/2021   18:38:54   (   0.03, -75.25) (  -0.77, -78.74)  398.26                80
 06/13/2021   18:22:50   (   0.03, -75.25) (   0.27, -74.22)  118.66                80
 06/15/2021   06:41:58   (  -0.03, -75.26) (   0.93, -79.48)  481.82                80
 06/16/2021   06:25:55   (  -0.03, -75.27) (  -0.11, -74.96)   35.46                80
 06/18/2021   18:26:28   (   0.03, -75.30) (  -0.08, -75.73)   49.53                80
 06/19/2021   18:10:24   (   0.02, -75.31) (   0.97, -71.21)  468.17                80
 06/21/2021   06:29:33   (  -0.04, -75.33) (   0.24, -76.48)  131.37                80
 06/22/2021   06:13:29   (  -0.03, -75.34) (  -0.81, -71.95)  386.35                80
 06/23/2021   18:32:46   (   0.05, -75.37) (  -0.36, -77.26)  215.72                80
 06/24/2021   18:16:42   (   0.04, -75.38) (   0.63, -72.73)  302.23                80