Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2020 5 2.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/02/2020   22:17:41   (   0.01,-137.19) (   0.96,-133.05)  472.32                80
 05/04/2020   10:39:28   (  -0.01,-137.19) (   0.23,-138.32)  128.04                80
 05/05/2020   10:18:04   (  -0.01,-137.19) (  -0.80,-133.79)  387.77                80
 05/06/2020   22:39:59   (   0.01,-137.17) (  -0.45,-139.08)  218.33                80
 05/07/2020   22:23:55   (   0.01,-137.16) (   0.58,-134.55)  297.19                80
 05/09/2020   10:45:42   (  -0.01,-137.15) (   0.61,-139.82)  304.32                80
 05/10/2020   10:24:18   (  -0.01,-137.14) (  -0.42,-135.29)  210.70                80
 05/11/2020   22:46:14   (   0.01,-137.11) (  -0.75,-140.59)  396.66                80
 05/12/2020   22:30:08   (   0.01,-137.09) (   0.22,-136.05)  118.24                80
 05/14/2020   10:51:56   (  -0.00,-137.07) (   0.97,-141.31)  483.97                80
 05/15/2020   10:30:31   (  -0.00,-137.06) (  -0.06,-136.79)   30.68                80