Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 4 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/16/2021   18:09:54   (   0.05, -75.19) (   0.95, -71.13)  463.37                80
 04/18/2021   06:31:40   (  -0.04, -75.20) (   0.26, -76.39)  136.28                80
 04/19/2021   06:10:15   (  -0.04, -75.19) (  -0.79, -71.86)  379.95                80
 04/20/2021   18:32:11   (   0.03, -75.18) (  -0.42, -77.15)  225.36                80
 04/21/2021   18:16:05   (   0.03, -75.18) (   0.57, -72.62)  291.37                80
 04/23/2021   06:37:53   (  -0.02, -75.19) (   0.58, -77.89)  307.08                80
 04/24/2021   06:16:27   (  -0.02, -75.19) (  -0.42, -73.35)  209.78                80
 04/25/2021   18:38:23   (   0.02, -75.19) (  -0.73, -78.66)  394.87                80
 04/26/2021   18:22:18   (   0.02, -75.19) (   0.26, -74.12)  122.39                80
 04/28/2021   06:44:04   (  -0.02, -75.22) (   0.94, -79.38)  475.13                80
 04/29/2021   06:22:40   (  -0.02, -75.22) (  -0.11, -74.85)   42.08                80