Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2020 8 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/02/2020   10:52:08   (   0.03,-137.20) (   0.95,-141.29)  466.27                80
 08/03/2020   10:30:44   (   0.03,-137.20) (  -0.05,-136.76)   49.89                80
 08/05/2020   22:33:58   (  -0.02,-137.19) (  -0.09,-137.54)   39.80                80
 08/06/2020   22:17:53   (  -0.02,-137.19) (   0.91,-133.01)  476.32                80
 08/08/2020   10:37:02   (   0.02,-137.19) (   0.27,-138.28)  124.19                80
 08/09/2020   10:18:17   (   0.02,-137.19) (  -0.72,-133.75)  391.59                80
 08/10/2020   22:40:14   (  -0.02,-137.17) (  -0.46,-139.05)  215.02                80
 08/11/2020   22:24:11   (  -0.02,-137.16) (   0.59,-134.53)  300.31                80
 08/13/2020   10:43:19   (   0.01,-137.15) (   0.59,-139.80)  301.72                80
 08/14/2020   10:27:15   (  -0.00,-137.14) (  -0.40,-135.27)  212.81                80