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) (   0.92,-141.30)  467.23                80
 05/31/2020   10:30:29   (   0.00,-137.20) (  -0.11,-136.77)   48.97                80
 06/02/2020   22:33:40   (   0.00,-137.18) (  -0.07,-137.54)   40.59                80
 06/03/2020   22:17:35   (   0.00,-137.17) (   0.97,-133.01)  475.07                80
 06/05/2020   10:39:23   (  -0.00,-137.16) (   0.22,-138.27)  126.54                80
 06/06/2020   10:17:57   (  -0.00,-137.15) (  -0.76,-133.73)  388.74                80
 06/07/2020   22:39:53   (  -0.00,-137.12) (  -0.45,-139.03)  218.03                80
 06/08/2020   22:23:48   (  -0.00,-137.11) (   0.59,-134.50)  297.05                80
 06/10/2020   10:42:55   (   0.00,-137.09) (   0.60,-139.77)  305.28                80
 06/11/2020   10:24:10   (   0.01,-137.07) (  -0.38,-135.23)  209.59                80