Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2020 5 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/14/2020   18:26:19   (   0.01, -75.19) (  -0.10, -75.71)   58.71                80
 05/15/2020   18:10:15   (   0.01, -75.20) (   0.93, -71.18)  458.39                80
 05/17/2020   06:32:02   (  -0.01, -75.20) (   0.26, -76.45)  142.03                80
 05/18/2020   06:10:38   (  -0.01, -75.21) (  -0.77, -71.92)  375.27                80
 05/19/2020   18:32:33   (   0.01, -75.23) (  -0.46, -77.21)  226.08                80
 05/20/2020   18:16:29   (   0.01, -75.24) (   0.58, -72.68)  291.75                80
 05/22/2020   06:38:16   (  -0.01, -75.25) (   0.62, -77.95)  307.51                80
 05/23/2020   06:16:51   (  -0.01, -75.26) (  -0.42, -73.42)  210.22                80
 05/24/2020   18:38:48   (   0.00, -75.29) (  -0.75, -78.72)  390.99                80
 05/25/2020   18:22:42   (   0.00, -75.30) (   0.23, -74.18)  127.17                80
 05/27/2020   06:44:30   (   0.00, -75.32) (   0.90, -79.46)  471.31                80