Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 11 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/09/2021   18:28:10   (  -0.01, -75.19) (  -0.14, -75.94)   84.73                80
 11/10/2021   18:09:27   (   0.00, -75.19) (   0.86, -71.41)  431.17                80
 11/12/2021   06:33:56   (  -0.00, -75.19) (   0.35, -76.68)  169.72                80
 11/13/2021   06:12:34   (  -0.01, -75.20) (  -0.71, -72.16)  346.74                80
 11/14/2021   18:37:11   (  -0.00, -75.21) (  -0.52, -77.46)  256.58                80
 11/15/2021   18:15:49   (   0.00, -75.22) (   0.54, -72.94)  260.60                80
 11/17/2021   06:40:18   (   0.01, -75.24) (   0.67, -78.21)  338.32                80
 11/18/2021   06:18:54   (   0.01, -75.25) (  -0.34, -73.68)  179.06                80
 11/19/2021   18:43:33   (  -0.02, -75.27) (  -0.83, -78.99)  423.31                80
 11/20/2021   18:22:09   (  -0.02, -75.28) (   0.18, -74.46)   94.29                80