Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 6 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/10/2021   06:35:40   (  -0.03, -75.23) (   0.61, -77.96)  311.33                80
 06/11/2021   06:19:37   (  -0.02, -75.24) (  -0.43, -73.44)  205.26                80
 06/12/2021   18:38:54   (   0.03, -75.25) (  -0.75, -78.74)  398.24                80
 06/13/2021   18:22:49   (   0.03, -75.25) (   0.23, -74.21)  118.69                80
 06/15/2021   06:41:59   (  -0.03, -75.26) (   0.91, -79.49)  481.80                80
 06/16/2021   06:25:54   (  -0.03, -75.27) (  -0.07, -74.95)   35.51                80
 06/18/2021   18:26:28   (   0.03, -75.30) (  -0.06, -75.74)   49.53                80
 06/19/2021   18:10:24   (   0.02, -75.31) (   0.93, -71.20)  468.17                80
 06/21/2021   06:29:33   (  -0.04, -75.33) (   0.22, -76.48)  131.36                80
 06/22/2021   06:13:28   (  -0.03, -75.34) (  -0.77, -71.94)  386.36                80
 06/23/2021   18:32:46   (   0.05, -75.37) (  -0.40, -77.25)  215.74                80