Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 11 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/01/2021   06:39:57   (  -0.02, -75.23) (   0.66, -78.16)  334.35                80
 11/02/2021   06:18:34   (  -0.02, -75.22) (  -0.40, -73.64)  180.85                80
 11/03/2021   18:40:32   (   0.00, -75.22) (  -0.85, -78.93)  424.07                80
 11/04/2021   18:24:28   (  -0.00, -75.21) (   0.15, -74.40)   91.61                80
 11/07/2021   06:24:55   (   0.01, -75.19) (   0.01, -75.15)    4.62                80
 11/09/2021   18:30:50   (  -0.01, -75.19) (  -0.18, -75.93)   84.77                80
 11/10/2021   18:09:26   (  -0.01, -75.19) (   0.82, -71.40)  431.06                80
 11/12/2021   06:33:57   (   0.01, -75.19) (   0.34, -76.68)  170.13                80
 11/13/2021   06:12:33   (   0.01, -75.19) (  -0.67, -72.15)  346.21                80
 11/14/2021   18:37:11   (  -0.01, -75.21) (  -0.50, -77.46)  256.79                80