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

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/05/2020   10:18:03   (  -0.02,-137.20) (  -0.77,-133.78)  388.97                80
 05/06/2020   22:40:00   (   0.01,-137.19) (  -0.41,-139.09)  216.05                80
 05/07/2020   22:23:55   (   0.02,-137.19) (   0.62,-134.56)  299.96                80
 05/09/2020   10:45:43   (  -0.01,-137.18) (   0.58,-139.82)  300.99                80
 05/10/2020   10:24:18   (  -0.01,-137.17) (  -0.45,-135.29)  214.52                80
 05/11/2020   22:46:13   (   0.01,-137.15) (  -0.79,-140.58)  391.86                80
 05/12/2020   22:30:09   (   0.01,-137.14) (   0.24,-136.06)  123.54                80
 05/14/2020   10:51:56   (  -0.00,-137.13) (   0.95,-141.32)  478.07                80
 05/15/2020   10:30:32   (  -0.00,-137.12) (  -0.08,-136.79)   37.05                80
 05/17/2020   22:33:43   (   0.00,-137.08) (  -0.13,-137.55)   55.06                80
 05/18/2020   22:17:38   (   0.00,-137.06) (   0.90,-133.03)  459.88                80