Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2020 5 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/30/2020   10:51:54   (   0.00,-137.20) (   0.90,-141.30)  467.25                80
 05/31/2020   10:30:28   (   0.00,-137.20) (  -0.08,-136.76)   48.95                80
 06/02/2020   22:33:40   (   0.00,-137.18) (  -0.05,-137.54)   40.82                80
 06/03/2020   22:17:35   (   0.00,-137.17) (   0.93,-133.00)  474.93                80
 06/05/2020   10:39:22   (  -0.00,-137.16) (   0.26,-138.27)  126.62                80
 06/06/2020   10:17:58   (  -0.00,-137.15) (  -0.78,-133.74)  388.63                80
 06/07/2020   22:39:53   (  -0.00,-137.12) (  -0.43,-139.03)  218.17                80
 06/08/2020   22:23:48   (  -0.00,-137.10) (   0.61,-134.51)  296.90                80
 06/10/2020   10:42:56   (   0.01,-137.08) (   0.58,-139.77)  305.46                80
 06/11/2020   10:26:50   (   0.01,-137.07) (  -0.40,-135.23)  209.40                80