Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 5 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/27/2021   18:38:43   (   0.02, -75.20) (  -0.76, -78.71)  400.53                80
 05/28/2021   18:22:39   (   0.01, -75.20) (   0.22, -74.18)  116.23                80
 05/30/2021   06:44:28   (  -0.01, -75.20) (   0.93, -79.45)  484.16                80
 05/31/2021   06:23:03   (  -0.00, -75.21) (  -0.05, -74.92)   33.04                80
 06/02/2021   18:26:17   (   0.00, -75.25) (  -0.10, -75.70)   51.82                80
 06/03/2021   18:10:14   (  -0.00, -75.26) (   0.94, -71.18)  466.22                80
 06/05/2021   06:29:22   (  -0.00, -75.29) (   0.27, -76.44)  132.28                80
 06/06/2021   06:13:19   (  -0.00, -75.30) (  -0.77, -71.92)  385.98                80
 06/07/2021   18:32:36   (   0.01, -75.34) (  -0.41, -77.23)  215.36                80
 06/08/2021   18:16:32   (   0.01, -75.36) (   0.58, -72.69)  303.24                80