Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 9 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/15/2022   10:38:06   (   0.07,-137.31) (   0.30,-138.43)  127.32                80
 09/16/2022   10:22:01   (   0.07,-137.31) (  -0.70,-133.90)  388.45                80
 09/17/2022   22:41:19   (  -0.06,-137.29) (  -0.46,-139.21)  217.74                80
 09/18/2022   22:25:14   (  -0.06,-137.28) (   0.55,-134.68)  297.63                80
 09/20/2022   10:44:23   (   0.05,-137.27) (   0.62,-139.95)  304.65                80
 09/21/2022   10:28:18   (   0.05,-137.26) (  -0.38,-135.42)  210.34                80
 09/22/2022   22:47:34   (  -0.04,-137.24) (  -0.83,-140.72)  396.90                80
 09/23/2022   22:31:30   (  -0.04,-137.22) (   0.18,-136.18)  117.96                80
 09/25/2022   10:50:38   (   0.03,-137.20) (   0.99,-141.46)  484.88                80
 09/26/2022   10:34:34   (   0.03,-137.19) (  -0.02,-136.92)   29.69                80