Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 3 24.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/24/2021   18:38:37   (   0.03, -75.21) (  -0.75, -78.72)  400.86                80
 03/25/2021   18:22:32   (   0.03, -75.21) (   0.23, -74.18)  116.40                80
 03/27/2021   06:44:19   (  -0.02, -75.23) (   0.94, -79.45)  481.71                80
 03/28/2021   06:22:54   (  -0.02, -75.24) (  -0.10, -74.92)   35.54                80
 03/30/2021   18:26:05   (   0.02, -75.25) (  -0.07, -75.69)   50.62                80
 03/31/2021   18:10:01   (   0.03, -75.26) (   0.97, -71.17)  467.13                80
 04/02/2021   06:31:47   (  -0.02, -75.29) (   0.25, -76.42)  130.11                80
 04/03/2021   06:10:23   (  -0.02, -75.30) (  -0.79, -71.90)  387.62                80
 04/04/2021   18:32:18   (   0.02, -75.30) (  -0.42, -77.19)  215.59                80
 04/05/2021   18:16:13   (   0.01, -75.32) (   0.63, -72.67)  302.83                80