Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 1 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/30/2021   18:32:30   (   0.02, -75.21) (  -0.44, -77.23)  230.71                80
 01/31/2021   18:16:26   (   0.02, -75.22) (   0.59, -72.71)  286.21                80
 02/02/2021   06:38:13   (  -0.02, -75.22) (   0.62, -77.97)  313.65                80
 02/03/2021   06:16:49   (  -0.02, -75.23) (  -0.40, -73.44)  203.33                80
 02/04/2021   18:38:45   (   0.02, -75.24) (  -0.78, -78.75)  400.12                80
 02/05/2021   18:22:41   (   0.03, -75.25) (   0.24, -74.22)  117.23                80
 02/07/2021   06:44:29   (  -0.03, -75.27) (   0.91, -79.49)  481.72                80
 02/08/2021   06:23:04   (  -0.04, -75.27) (  -0.12, -74.96)   35.53                80
 02/10/2021   18:26:16   (   0.04, -75.30) (  -0.03, -75.74)   49.71                80
 02/11/2021   18:10:11   (   0.04, -75.32) (   0.94, -71.20)  468.68                80