Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 5 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/07/2021   18:13:28   (   0.02, -75.17) (   0.60, -72.62)  290.81                80
 05/09/2021   06:37:57   (  -0.01, -75.18) (   0.62, -77.89)  309.74                80
 05/10/2021   06:16:33   (  -0.02, -75.18) (  -0.42, -73.36)  207.23                80
 05/11/2021   18:41:11   (   0.01, -75.21) (  -0.74, -78.68)  395.14                80
 05/12/2021   18:19:47   (   0.02, -75.22) (   0.23, -74.14)  122.13                80
 05/14/2021   06:44:16   (  -0.01, -75.23) (   0.92, -79.42)  477.70                80
 05/15/2021   06:22:53   (  -0.01, -75.24) (  -0.11, -74.90)   39.73                80
 05/17/2021   18:26:07   (   0.01, -75.28) (  -0.06, -75.68)   44.63                80
 05/18/2021   18:10:02   (   0.00, -75.30) (   0.92, -71.14)  473.27                80
 05/20/2021   06:31:51   (  -0.00, -75.32) (   0.24, -76.42)  125.61                80