Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2020 6 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/26/2020   10:45:32   (   0.02,-137.19) (   0.59,-139.74)  290.04                80
 06/27/2020   10:24:09   (   0.02,-137.19) (  -0.45,-135.21)  225.62                80
 06/28/2020   22:48:45   (  -0.02,-137.17) (  -0.79,-140.51)  380.64                80
 06/29/2020   22:27:22   (  -0.01,-137.16) (   0.25,-135.98)  134.57                80
 07/01/2020   10:51:51   (   0.01,-137.15) (   0.90,-141.26)  467.61                80
 07/02/2020   10:30:26   (  -0.00,-137.14) (  -0.08,-136.73)   47.04                80
 07/04/2020   22:33:40   (   0.01,-137.10) (  -0.05,-137.51)   46.40                80
 07/05/2020   22:17:36   (   0.01,-137.08) (   0.93,-132.98)  468.08                80
 07/07/2020   10:36:44   (  -0.01,-137.06) (   0.28,-138.24)  135.13                80
 07/08/2020   10:20:41   (  -0.01,-137.04) (  -0.77,-133.72)  379.15                80