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)
 03/01/2021   08:13:39   (   0.03,-104.40) (  -0.51,-102.01)  273.21                80
 03/02/2021   20:35:34   (  -0.04,-104.24) (  -0.71,-107.30)  348.80                80
 03/03/2021   20:14:10   (  -0.04,-104.24) (   0.32,-102.77)  167.27                80
 03/05/2021   08:35:57   (   0.05,-104.41) (   0.88,-108.04)  414.48                80
 03/06/2021   08:19:53   (   0.04,-104.41) (  -0.16,-103.51)  102.76                80
 03/08/2021   20:21:32   (  -0.05,-104.26) (  -0.03,-104.28)    2.92                12
 03/11/2021   08:23:26   (   0.06,-104.42) (   0.19,-105.02)   67.64                80
 03/12/2021   08:07:22   (   0.05,-104.44) (  -0.85,-100.49)  450.02                80
 03/13/2021   20:29:17   (  -0.06,-104.30) (  -0.37,-105.78)  168.30                80
 03/14/2021   20:07:52   (  -0.05,-104.30) (   0.61,-101.24)  348.10                80