Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 12 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/09/2022   10:46:47   (   0.01,-137.33) (   0.55,-139.76)  275.92                80
 12/10/2022   10:25:24   (   0.01,-137.33) (  -0.44,-135.22)  240.06                80
 12/11/2022   22:47:22   (  -0.02,-137.33) (  -0.76,-140.53)  365.82                80
 12/12/2022   22:31:19   (  -0.02,-137.32) (   0.30,-136.01)  149.96                80
 12/14/2022   10:53:09   (   0.03,-137.32) (   0.91,-141.28)  450.93                80
 12/15/2022   10:31:45   (   0.03,-137.32) (  -0.09,-136.75)   64.49                80
 12/17/2022   22:35:00   (  -0.03,-137.29) (  -0.10,-137.53)   27.21                80
 12/18/2022   22:18:57   (  -0.03,-137.28) (   0.90,-133.00)  487.91                80
 12/20/2022   10:40:47   (   0.04,-137.27) (   0.24,-138.28)  114.31                80
 12/21/2022   10:19:23   (   0.04,-137.25) (  -0.76,-133.75)  400.00                80