Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 5 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/12/2021   18:19:47   (   0.03, -75.23) (   0.25, -74.15)  122.74                80
 05/14/2021   06:44:16   (  -0.02, -75.25) (   0.90, -79.42)  475.62                80
 05/15/2021   06:22:53   (  -0.02, -75.27) (  -0.14, -74.90)   42.68                80
 05/17/2021   18:28:47   (   0.02, -75.33) (  -0.04, -75.68)   39.68                80
 05/18/2021   18:07:22   (   0.02, -75.35) (   0.94, -71.14)  479.03                80
 05/20/2021   06:31:52   (  -0.01, -75.38) (   0.22, -76.42)  118.34                80
 05/21/2021   06:10:28   (  -0.01, -75.41) (  -0.82, -71.90)  400.63                80
 05/22/2021   18:35:05   (   0.01, -75.46) (  -0.38, -77.20)  198.90                80
 05/23/2021   18:13:42   (   0.01, -75.49) (   0.65, -72.68)  320.37                80
 05/25/2021   06:38:10   (  -0.01, -75.53) (   0.56, -77.94)  276.31                80