Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 2 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/03/2021   06:16:48   (   0.01, -75.21) (  -0.38, -73.44)  201.82                80
 02/04/2021   18:38:45   (  -0.01, -75.22) (  -0.80, -78.74)  401.79                80
 02/05/2021   18:22:40   (  -0.01, -75.22) (   0.23, -74.21)  114.86                80
 02/07/2021   06:44:28   (   0.00, -75.22) (   0.98, -79.48)  485.82                80
 02/08/2021   06:23:03   (  -0.00, -75.22) (  -0.04, -74.95)   30.85                80
 02/10/2021   18:26:15   (   0.01, -75.24) (  -0.11, -75.73)   55.25                80
 02/11/2021   18:10:10   (   0.01, -75.25) (   0.92, -71.20)  462.37                80
 02/13/2021   06:31:59   (  -0.01, -75.27) (   0.23, -76.47)  136.35                80
 02/14/2021   06:10:33   (  -0.01, -75.29) (  -0.74, -71.93)  381.67                80
 02/15/2021   18:32:30   (   0.01, -75.31) (  -0.43, -77.24)  219.72                80
 02/16/2021   18:16:25   (   0.01, -75.33) (   0.60, -72.71)  298.93                80