Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2020 10 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/25/2020   22:17:58   (  -0.02,-137.20) (   0.89,-133.03)  475.02                80
 10/27/2020   10:37:05   (   0.02,-137.22) (   0.28,-138.30)  124.16                80
 10/28/2020   10:21:01   (   0.02,-137.22) (  -0.78,-133.78)  392.57                80
 10/29/2020   22:40:16   (  -0.02,-137.21) (  -0.41,-139.08)  212.95                80
 10/30/2020   22:24:11   (  -0.02,-137.21) (   0.58,-134.55)  303.47                80
 11/01/2020   10:43:18   (   0.02,-137.21) (   0.58,-139.82)  296.64                80
 11/02/2020   10:27:13   (   0.02,-137.21) (  -0.42,-135.29)  219.29                80
 11/03/2020   22:46:28   (  -0.01,-137.19) (  -0.77,-140.59)  387.62                80
 11/04/2020   22:30:22   (  -0.01,-137.17) (   0.23,-136.05)  127.70                80
 11/06/2020   10:49:30   (   0.01,-137.16) (   0.93,-141.33)  474.10                80
 11/07/2020   10:33:24   (   0.01,-137.15) (  -0.07,-136.79)   40.71                80