Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 5 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)
 05/05/2021   06:10:14   (  -0.02, -75.17) (  -0.78, -71.85)  379.34                80
 05/06/2021   18:32:12   (   0.01, -75.17) (  -0.44, -77.15)  225.75                80
 05/07/2021   18:16:08   (   0.01, -75.17) (   0.60, -72.62)  290.49                80
 05/09/2021   06:37:57   (  -0.01, -75.17) (   0.61, -77.89)  309.82                80
 05/10/2021   06:16:33   (  -0.01, -75.18) (  -0.42, -73.37)  206.54                80
 05/11/2021   18:38:30   (   0.01, -75.18) (  -0.79, -78.67)  397.82                80
 05/12/2021   18:22:27   (   0.01, -75.19) (   0.24, -74.14)  118.97                80
 05/14/2021   06:44:16   (  -0.01, -75.20) (   0.91, -79.42)  480.38                80
 05/15/2021   06:22:52   (  -0.01, -75.21) (  -0.06, -74.89)   36.41                80
 05/17/2021   18:26:06   (   0.00, -75.23) (  -0.10, -75.67)   50.45                80
 05/18/2021   18:10:02   (  -0.00, -75.24) (   0.94, -71.14)  466.94                80