Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2020 7 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/08/2020   10:18:01   (   0.02,-137.20) (  -0.78,-133.72)  396.73                80
 07/09/2020   22:42:38   (  -0.02,-137.20) (  -0.40,-139.02)  207.66                80
 07/10/2020   22:21:14   (  -0.02,-137.20) (   0.58,-134.49)  309.03                80
 07/12/2020   10:45:42   (   0.02,-137.21) (   0.62,-139.76)  290.61                80
 07/13/2020   10:24:18   (   0.02,-137.21) (  -0.43,-135.23)  225.59                80
 07/14/2020   22:46:16   (  -0.02,-137.20) (  -0.76,-140.54)  380.13                80
 07/15/2020   22:30:11   (  -0.01,-137.20) (   0.23,-136.01)  135.59                80
 07/17/2020   10:52:00   (  -0.01,-137.20) (   0.91,-141.29)  465.73                80
 07/18/2020   10:30:37   (  -0.01,-137.19) (  -0.14,-136.76)   49.45                80
 07/20/2020   22:33:50   (   0.01,-137.15) (  -0.06,-137.54)   43.19                80