Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 5 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/09/2021   06:37:57   (  -0.02, -75.17) (   0.59, -77.89)  309.99                80
 05/10/2021   06:16:34   (  -0.02, -75.18) (  -0.45, -73.37)  206.88                80
 05/11/2021   18:41:11   (   0.02, -75.20) (  -0.77, -78.67)  395.61                80
 05/12/2021   18:19:47   (   0.02, -75.21) (   0.26, -74.15)  121.50                80
 05/14/2021   06:44:16   (  -0.01, -75.22) (   0.95, -79.41)  478.48                80
 05/15/2021   06:22:52   (  -0.02, -75.23) (  -0.09, -74.89)   38.76                80
 05/17/2021   18:28:46   (   0.01, -75.27) (  -0.09, -75.67)   45.69                80
 05/18/2021   18:07:23   (   0.01, -75.29) (   0.95, -71.15)  472.03                80
 05/20/2021   06:31:51   (  -0.01, -75.30) (   0.27, -76.41)  127.03                80
 05/21/2021   06:10:27   (  -0.00, -75.32) (  -0.77, -71.89)  391.00                80
 05/22/2021   18:35:05   (   0.00, -75.36) (  -0.43, -77.19)  209.86                80