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)
 05/06/2021   18:32:12   (   0.01, -75.17) (  -0.41, -77.15)  225.76                80
 05/07/2021   18:16:08   (   0.01, -75.17) (   0.56, -72.62)  290.47                80
 05/09/2021   06:37:57   (  -0.01, -75.17) (   0.59, -77.89)  309.94                80
 05/10/2021   06:16:33   (  -0.01, -75.18) (  -0.44, -73.37)  206.41                80
 05/11/2021   18:38:31   (   0.01, -75.18) (  -0.77, -78.67)  397.93                80
 05/12/2021   18:22:27   (   0.01, -75.19) (   0.26, -74.15)  118.84                80
 05/14/2021   06:44:16   (  -0.01, -75.20) (   0.95, -79.41)  480.63                80
 05/15/2021   06:22:52   (  -0.01, -75.21) (  -0.08, -74.89)   36.09                80
 05/17/2021   18:26:06   (   0.00, -75.22) (  -0.09, -75.67)   50.75                80
 05/18/2021   18:10:01   (  -0.00, -75.23) (   0.89, -71.13)  466.61                80