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

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/17/2022   22:41:18   (  -0.06,-137.29) (  -0.51,-139.20)  217.69                80
 09/18/2022   22:25:14   (  -0.06,-137.28) (   0.55,-134.68)  297.60                80
 09/20/2022   10:44:22   (   0.05,-137.26) (   0.68,-139.94)  305.24                80
 09/21/2022   10:28:18   (   0.05,-137.25) (  -0.39,-135.42)  209.68                80
 09/22/2022   22:47:35   (  -0.04,-137.23) (  -0.82,-140.72)  397.28                80
 09/23/2022   22:31:30   (  -0.04,-137.22) (   0.18,-136.18)  117.49                80
 09/25/2022   10:50:38   (   0.03,-137.19) (   0.98,-141.46)  485.87                80
 09/26/2022   10:34:34   (   0.03,-137.17) (  -0.03,-136.92)   28.61                80
 09/28/2022   22:35:06   (  -0.03,-137.12) (  -0.16,-137.69)   65.17                80
 09/29/2022   22:19:01   (  -0.03,-137.10) (   0.85,-133.16)  448.58                80