Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 4 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/30/2022   10:24:36   (  -0.03,-137.20) (  -0.47,-135.25)  222.40                80
 05/01/2022   22:49:11   (   0.02,-137.20) (  -0.73,-140.55)  381.67                80
 05/02/2022   22:27:46   (   0.03,-137.20) (   0.28,-136.01)  134.87                80
 05/04/2022   10:52:12   (  -0.02,-137.20) (   0.92,-141.27)  465.20                80
 05/05/2022   10:30:48   (  -0.02,-137.19) (  -0.15,-136.75)   51.00                80
 05/07/2022   22:36:37   (   0.01,-137.17) (  -0.09,-137.50)   38.80                80
 05/08/2022   22:15:12   (   0.01,-137.16) (   0.98,-132.98)  477.05                80
 05/10/2022   10:39:38   (  -0.01,-137.14) (   0.21,-138.24)  124.26                80
 05/11/2022   10:18:13   (  -0.01,-137.13) (  -0.80,-133.70)  391.21                80
 05/12/2022   22:42:47   (   0.01,-137.11) (  -0.43,-138.99)  215.31                80
 05/13/2022   22:24:02   (   0.01,-137.09) (   0.58,-134.46)  299.76                80