Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 7 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/08/2021   06:13:44   (  -0.06, -75.13) (  -0.78, -71.99)  357.55                80
 07/09/2021   18:33:02   (   0.07, -75.14) (  -0.41, -77.30)  245.68                80
 07/10/2021   18:16:58   (   0.07, -75.15) (   0.62, -72.77)  271.11                80
 07/12/2021   06:36:06   (  -0.08, -75.15) (   0.59, -78.04)  330.34                80
 07/13/2021   06:20:03   (  -0.08, -75.15) (  -0.45, -73.52)  186.68                80
 07/14/2021   18:39:20   (   0.09, -75.18) (  -0.74, -78.82)  415.79                80
 07/15/2021   18:23:17   (   0.08, -75.19) (   0.30, -74.30)  101.78                80
 07/17/2021   06:42:26   (  -0.09, -75.20) (   0.86, -79.58)  498.28                80
 07/18/2021   06:26:22   (  -0.09, -75.21) (  -0.12, -75.04)   19.29                80
 07/20/2021   18:26:55   (   0.10, -75.25) (  -0.02, -75.82)   65.18                80
 07/21/2021   18:10:51   (   0.10, -75.26) (   0.96, -71.29)  452.66                80