Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 7 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/20/2022   22:49:37   (  -0.05,-137.29) (  -0.78,-140.61)  377.80                80
 07/21/2022   22:28:14   (  -0.05,-137.29) (   0.25,-136.09)  138.04                80
 07/23/2022   10:52:42   (   0.04,-137.29) (   0.97,-141.35)  463.85                80
 07/24/2022   10:31:19   (   0.04,-137.28) (  -0.06,-136.83)   51.38                80
 07/26/2022   22:37:13   (  -0.03,-137.26) (  -0.11,-137.61)   39.98                80
 07/27/2022   22:15:49   (  -0.02,-137.25) (   0.93,-133.09)  474.83                80
 07/29/2022   10:40:17   (   0.02,-137.23) (   0.29,-138.35)  128.22                80
 07/30/2022   10:18:54   (   0.03,-137.22) (  -0.75,-133.83)  386.51                80
 07/31/2022   22:40:51   (  -0.02,-137.19) (  -0.45,-139.13)  220.90                80
 08/01/2022   22:24:47   (  -0.02,-137.18) (   0.53,-134.60)  293.59                80