Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2020 3 24.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/24/2020   22:46:14   (   0.01,-137.22) (  -0.76,-140.61)  386.52                80
 03/25/2020   22:30:09   (   0.01,-137.22) (   0.25,-136.08)  129.84                80
 03/27/2020   10:51:57   (  -0.02,-137.22) (   0.90,-141.35)  470.57                80
 03/28/2020   10:30:33   (  -0.02,-137.22) (  -0.11,-136.82)   45.14                80
 03/30/2020   22:33:45   (   0.02,-137.19) (  -0.08,-137.59)   45.88                80
 03/31/2020   22:17:40   (   0.02,-137.18) (   0.93,-133.06)  469.33                80
 04/02/2020   10:39:29   (  -0.02,-137.17) (   0.22,-138.34)  132.83                80
 04/03/2020   10:18:03   (  -0.02,-137.15) (  -0.74,-133.79)  381.87                80
 04/04/2020   22:40:00   (   0.01,-137.12) (  -0.41,-139.11)  226.07                80
 04/05/2020   22:23:55   (   0.01,-137.10) (   0.55,-134.56)  288.45                80