Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 5 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/21/2022   10:30:34   (  -0.01,-137.18) (  -0.14,-136.68)   56.97                80
 05/23/2022   22:36:22   (   0.00,-137.16) (  -0.05,-137.44)   32.13                80
 05/24/2022   22:14:57   (   0.01,-137.15) (   0.97,-132.91)  483.94                80
 05/26/2022   10:39:22   (  -0.00,-137.14) (   0.25,-138.16)  116.80                80
 05/27/2022   10:17:57   (  -0.01,-137.13) (  -0.78,-133.63)  398.94                80
 05/28/2022   22:39:51   (   0.01,-137.11) (  -0.43,-138.92)  207.10                80
 05/29/2022   22:23:46   (   0.01,-137.09) (   0.60,-134.39)  308.31                80
 05/31/2022   10:45:32   (  -0.01,-137.07) (   0.55,-139.65)  293.64                80
 06/01/2022   10:24:05   (  -0.01,-137.05) (  -0.42,-135.11)  221.29                80
 06/02/2022   22:46:00   (   0.00,-137.02) (  -0.78,-140.40)  386.09                80
 06/03/2022   22:29:54   (   0.00,-137.00) (   0.26,-135.87)  128.62                80