Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 10 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/25/2021   18:11:45   (   0.03, -75.21) (   0.88, -71.36)  439.29                80
 10/27/2021   06:33:35   (  -0.02, -75.21) (   0.29, -76.63)  162.08                80
 10/28/2021   06:12:12   (  -0.03, -75.22) (  -0.70, -72.10)  354.21                80
 10/29/2021   18:36:50   (   0.02, -75.23) (  -0.49, -77.41)  248.70                80
 10/30/2021   18:15:28   (   0.03, -75.24) (   0.57, -72.89)  268.16                80
 11/01/2021   06:39:57   (  -0.02, -75.25) (   0.66, -78.16)  331.81                80
 11/02/2021   06:18:34   (  -0.03, -75.26) (  -0.40, -73.64)  185.24                80
 11/03/2021   18:43:13   (   0.01, -75.29) (  -0.79, -78.95)  416.74                80
 11/04/2021   18:21:49   (   0.02, -75.30) (   0.21, -74.42)  100.75                80
 11/06/2021   06:46:20   (   0.00, -75.32) (   0.96, -79.70)  498.19                80
 11/07/2021   06:24:56   (  -0.00, -75.33) (  -0.05, -75.17)   19.05                80