Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 4 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)
 04/19/2022   10:30:57   (  -0.03,-137.19) (  -0.10,-136.78)   45.89                80
 04/21/2022   22:36:48   (   0.03,-137.18) (  -0.05,-137.55)   43.01                80
 04/22/2022   22:18:03   (   0.03,-137.17) (   0.94,-133.02)  472.97                80
 04/24/2022   10:39:50   (  -0.02,-137.16) (   0.21,-138.29)  127.87                80
 04/25/2022   10:18:24   (  -0.02,-137.15) (  -0.78,-133.75)  387.96                80
 04/26/2022   22:40:20   (   0.01,-137.14) (  -0.42,-139.05)  217.71                80
 04/27/2022   22:24:14   (   0.01,-137.13) (   0.58,-134.51)  298.08                80
 04/29/2022   10:46:01   (  -0.01,-137.12) (   0.56,-139.78)  303.08                80
 04/30/2022   10:24:36   (  -0.01,-137.11) (  -0.43,-135.25)  212.33                80
 05/01/2022   22:46:31   (   0.01,-137.08) (  -0.76,-140.54)  394.34                80
 05/02/2022   22:30:26   (   0.01,-137.07) (   0.24,-136.01)  120.71                80