Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 3 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/20/2021   18:16:19   (   0.05, -75.20) (   0.59, -72.68)  286.44                80
 03/22/2021   06:38:06   (  -0.04, -75.21) (   0.59, -77.95)  313.10                80
 03/23/2021   06:16:41   (  -0.04, -75.21) (  -0.45, -73.42)  203.44                80
 03/24/2021   18:38:37   (   0.03, -75.20) (  -0.77, -78.72)  401.20                80
 03/25/2021   18:22:32   (   0.03, -75.21) (   0.27, -74.19)  115.90                80
 03/27/2021   06:44:20   (  -0.02, -75.22) (   0.91, -79.46)  482.26                80
 03/28/2021   06:22:54   (  -0.02, -75.23) (  -0.08, -74.92)   34.89                80
 03/30/2021   18:26:05   (   0.02, -75.24) (  -0.10, -75.69)   51.72                80
 03/31/2021   18:10:00   (   0.02, -75.25) (   0.95, -71.16)  465.93                80
 04/02/2021   06:31:48   (  -0.02, -75.28) (   0.22, -76.43)  131.39                80