Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2020 7 26.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/26/2020   22:24:03   (  -0.03,-137.19) (   0.59,-134.51)  306.10                80
 07/28/2020   10:45:51   (   0.03,-137.19) (   0.59,-139.78)  295.15                80
 07/29/2020   10:24:27   (   0.02,-137.18) (  -0.40,-135.25)  220.20                80
 07/30/2020   22:46:25   (   0.02,-137.16) (  -0.73,-140.57)  387.52                80
 07/31/2020   22:30:21   (   0.01,-137.15) (   0.26,-136.03)  127.63                80
 08/02/2020   10:52:09   (  -0.01,-137.14) (   0.92,-141.30)  474.52                80
 08/03/2020   10:30:44   (  -0.01,-137.12) (  -0.08,-136.77)   40.36                80
 08/05/2020   22:33:57   (   0.01,-137.08) (  -0.11,-137.54)   52.34                80
 08/06/2020   22:17:54   (   0.01,-137.07) (   0.94,-133.02)  462.40                80
 08/08/2020   10:37:01   (  -0.01,-137.05) (   0.30,-138.28)  140.45                80
 08/09/2020   10:20:58   (  -0.00,-137.03) (  -0.76,-133.75)  373.98                80