Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 3 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/02/2021   20:35:34   (  -0.04,-104.24) (  -0.73,-107.30)  348.75                80
 03/03/2021   20:14:10   (  -0.04,-104.24) (   0.30,-102.77)  167.31                80
 03/05/2021   08:35:58   (   0.05,-104.41) (   0.83,-108.05)  414.50                80
 03/06/2021   08:19:53   (   0.04,-104.41) (  -0.14,-103.51)  102.78                80
 03/08/2021   20:23:03   (  -0.05,-104.26) (  -0.04,-104.28)    1.53                80
 03/11/2021   08:23:26   (   0.06,-104.42) (   0.20,-105.01)   67.55                80
 03/12/2021   08:07:22   (   0.05,-104.44) (  -0.83,-100.49)  450.14                80
 03/13/2021   20:29:17   (  -0.06,-104.30) (  -0.38,-105.78)  168.02                80
 03/14/2021   20:07:53   (  -0.05,-104.31) (   0.66,-101.25)  348.40                80