Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2020 5 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)
 05/25/2020   10:45:40   (  -0.01,-137.20) (   0.59,-139.80)  296.76                80
 05/26/2020   10:24:15   (  -0.01,-137.19) (  -0.44,-135.27)  219.12                80
 05/27/2020   22:46:12   (   0.01,-137.18) (  -0.72,-140.57)  386.49                80
 05/28/2020   22:30:06   (   0.01,-137.17) (   0.25,-136.03)  129.09                80
 05/30/2020   10:51:53   (  -0.00,-137.15) (   0.94,-141.30)  472.74                80
 05/31/2020   10:30:29   (  -0.00,-137.14) (  -0.10,-136.77)   42.53                80
 06/02/2020   22:33:40   (   0.00,-137.10) (  -0.08,-137.53)   49.11                80
 06/03/2020   22:17:34   (   0.00,-137.08) (   0.89,-132.99)  465.69                80
 06/05/2020   10:36:42   (   0.00,-137.06) (   0.30,-138.26)  137.48                80
 06/06/2020   10:20:37   (   0.01,-137.04) (  -0.74,-133.73)  376.95                80