Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 10 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/28/2021   06:12:12   (  -0.02, -75.21) (  -0.69, -72.10)  354.39                80
 10/29/2021   18:34:10   (   0.01, -75.24) (  -0.50, -77.41)  248.24                80
 10/30/2021   18:18:07   (   0.02, -75.24) (   0.56, -72.89)  268.64                80
 11/01/2021   06:39:57   (  -0.01, -75.25) (   0.67, -78.16)  331.80                80
 11/02/2021   06:18:34   (  -0.02, -75.26) (  -0.39, -73.64)  185.30                80
 11/03/2021   18:40:33   (   0.01, -75.29) (  -0.79, -78.95)  416.36                80
 11/04/2021   18:21:49   (   0.00, -75.30) (   0.21, -74.42)  101.20                80
 11/06/2021   06:46:18   (   0.01, -75.32) (   1.01, -79.68)  498.17                80
 11/07/2021   06:24:56   (   0.01, -75.33) (  -0.05, -75.17)   19.21                80
 11/09/2021   18:30:51   (  -0.01, -75.37) (  -0.12, -75.95)   65.05                80
 11/10/2021   18:09:27   (  -0.00, -75.39) (   0.88, -71.42)  452.79                80