Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 3 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/22/2021   06:38:06   (  -0.04, -75.21) (   0.57, -77.96)  313.05                80
 03/23/2021   06:16:41   (  -0.04, -75.21) (  -0.41, -73.42)  203.55                80
 03/24/2021   18:38:37   (   0.03, -75.20) (  -0.75, -78.72)  401.04                80
 03/25/2021   18:22:32   (   0.03, -75.21) (   0.24, -74.18)  116.12                80
 03/27/2021   06:44:19   (  -0.02, -75.23) (   0.94, -79.45)  481.96                80
 03/28/2021   06:22:55   (  -0.02, -75.23) (  -0.10, -74.93)   35.25                80
 03/30/2021   18:26:05   (   0.02, -75.24) (  -0.07, -75.69)   51.24                80
 03/31/2021   18:10:00   (   0.03, -75.25) (   0.92, -71.16)  466.44                80
 04/02/2021   06:31:47   (  -0.02, -75.28) (   0.25, -76.42)  130.81                80
 04/03/2021   06:10:23   (  -0.02, -75.29) (  -0.79, -71.90)  386.84                80
 04/04/2021   18:32:18   (   0.02, -75.30) (  -0.42, -77.19)  216.58                80