Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 7 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/20/2021   18:26:55   (   0.08, -75.20) (  -0.03, -75.82)   70.18                80
 07/21/2021   18:10:51   (   0.08, -75.20) (   0.95, -71.28)  446.31                80
 07/23/2021   06:30:00   (  -0.10, -75.20) (   0.20, -76.56)  154.44                80
 07/24/2021   06:13:56   (  -0.09, -75.21) (  -0.78, -72.02)  362.27                80
 07/25/2021   18:33:14   (   0.10, -75.22) (  -0.36, -77.34)  241.62                80
 07/26/2021   18:17:10   (   0.10, -75.23) (   0.63, -72.81)  275.95                80
 07/28/2021   06:36:19   (  -0.11, -75.25) (   0.53, -78.08)  322.61                80
 07/29/2021   06:20:15   (  -0.11, -75.27) (  -0.51, -73.56)  195.31                80
 07/30/2021   18:39:33   (   0.12, -75.29) (  -0.68, -78.87)  407.37                80
 07/31/2021   18:23:28   (   0.11, -75.31) (   0.31, -74.33)  111.04                80
 08/02/2021   06:42:38   (  -0.13, -75.35) (   0.85, -79.61)  486.24                80