Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 3 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/06/2021   06:38:10   (  -0.03, -75.20) (   0.60, -77.97)  315.69                80
 03/07/2021   06:16:46   (  -0.03, -75.20) (  -0.43, -73.44)  200.61                80
 03/08/2021   18:38:41   (   0.02, -75.20) (  -0.79, -78.73)  402.79                80
 03/09/2021   18:22:36   (   0.01, -75.21) (   0.25, -74.21)  114.35                80
 03/11/2021   06:44:24   (  -0.00, -75.21) (   0.94, -79.47)  485.16                80
 03/12/2021   06:22:58   (  -0.00, -75.22) (  -0.04, -74.93)   32.28                80
 03/14/2021   18:26:10   (   0.00, -75.25) (  -0.08, -75.71)   52.16                80
 03/15/2021   18:10:05   (   0.00, -75.27) (   0.90, -71.17)  466.01                80
 03/17/2021   06:31:53   (  -0.00, -75.29) (   0.23, -76.45)  132.01                80
 03/18/2021   06:10:27   (  -0.01, -75.31) (  -0.75, -71.91)  386.15                80