Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 3 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/27/2021   06:44:19   (  -0.04, -75.22) (   0.92, -79.46)  482.50                80
 03/28/2021   06:22:55   (  -0.04, -75.23) (  -0.12, -74.93)   34.69                80
 03/30/2021   18:26:06   (   0.04, -75.25) (  -0.06, -75.70)   51.00                80
 03/31/2021   18:10:01   (   0.04, -75.26) (   0.99, -71.17)  466.68                80
 04/02/2021   06:31:47   (  -0.04, -75.28) (   0.24, -76.43)  131.31                80
 04/03/2021   06:10:23   (  -0.04, -75.29) (  -0.81, -71.90)  386.31                80
 04/04/2021   18:32:18   (   0.03, -75.30) (  -0.41, -77.19)  216.39                80
 04/05/2021   18:16:14   (   0.03, -75.32) (   0.63, -72.67)  301.94                80
 04/07/2021   06:38:01   (  -0.02, -75.35) (   0.53, -77.94)  294.31                80
 04/08/2021   06:16:36   (  -0.02, -75.37) (  -0.46, -73.40)  224.32                80
 04/09/2021   18:38:32   (   0.01, -75.39) (  -0.70, -78.71)  377.17                80