Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 7 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)
 07/23/2021   06:30:00   (  -0.09, -75.20) (   0.22, -76.55)  154.46                80
 07/24/2021   06:13:56   (  -0.09, -75.21) (  -0.82, -72.03)  362.23                80
 07/25/2021   18:33:14   (   0.10, -75.22) (  -0.38, -77.34)  241.64                80
 07/26/2021   18:17:10   (   0.10, -75.23) (   0.66, -72.81)  275.91                80
 07/28/2021   06:36:19   (  -0.11, -75.25) (   0.54, -78.08)  322.71                80
 07/29/2021   06:20:15   (  -0.10, -75.27) (  -0.50, -73.56)  195.18                80
 07/30/2021   18:39:32   (   0.12, -75.29) (  -0.70, -78.86)  407.52                80
 07/31/2021   18:23:29   (   0.11, -75.31) (   0.34, -74.34)  110.85                80
 08/02/2021   06:45:18   (  -0.13, -75.34) (   0.80, -79.62)  486.42                80
 08/03/2021   06:23:54   (  -0.12, -75.36) (  -0.18, -75.08)   31.89                80