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, -76.56)  154.49                80
 07/24/2021   06:13:56   (  -0.09, -75.21) (  -0.82, -72.03)  362.16                80
 07/25/2021   18:33:14   (   0.10, -75.22) (  -0.37, -77.34)  241.56                80
 07/26/2021   18:17:09   (   0.10, -75.23) (   0.61, -72.80)  275.98                80
 07/28/2021   06:38:59   (  -0.11, -75.25) (   0.54, -78.08)  322.83                80
 07/29/2021   06:20:15   (  -0.10, -75.26) (  -0.50, -73.56)  195.04                80
 07/30/2021   18:39:32   (   0.11, -75.29) (  -0.69, -78.86)  407.54                80
 07/31/2021   18:23:29   (   0.11, -75.31) (   0.35, -74.34)  110.84                80
 08/02/2021   06:45:17   (  -0.12, -75.34) (   0.85, -79.61)  486.62                80
 08/03/2021   06:26:34   (  -0.12, -75.36) (  -0.19, -75.08)   31.66                80
 08/05/2021   18:27:08   (   0.13, -75.41) (   0.04, -75.87)   52.10                80