Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 12 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)
 12/28/2021   18:11:33   (   0.03, -75.20) (   0.91, -71.30)  443.96                80
 12/30/2021   06:30:38   (  -0.03, -75.20) (   0.28, -76.56)  155.83                80
 12/31/2021   06:14:32   (  -0.02, -75.20) (  -0.76, -72.03)  361.84                80
 01/01/2022   18:33:47   (   0.02, -75.22) (  -0.44, -77.33)  240.12                80
 01/02/2022   18:17:40   (   0.01, -75.23) (   0.55, -72.79)  277.80                80
 01/04/2022   06:39:27   (  -0.02, -75.24) (   0.59, -78.06)  321.19                80
 01/05/2022   06:18:00   (  -0.01, -75.25) (  -0.40, -73.52)  196.98                80
 01/06/2022   18:39:54   (   0.02, -75.27) (  -0.79, -78.82)  403.96                80
 01/07/2022   18:23:49   (   0.02, -75.29) (   0.26, -74.29)  114.95                80
 01/09/2022   06:45:34   (  -0.02, -75.32) (   0.93, -79.55)  481.99                80
 01/10/2022   06:24:09   (  -0.02, -75.34) (  -0.11, -75.02)   37.39                80