Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2019 8 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)
 08/27/2019   10:46:25   (  -0.03,-137.20) (   0.58,-139.86)  303.59                80
 08/28/2019   10:25:00   (  -0.03,-137.20) (  -0.44,-135.33)  212.24                80
 08/29/2019   22:46:57   (   0.03,-137.19) (  -0.76,-140.63)  392.90                80
 08/30/2019   22:30:52   (   0.03,-137.18) (   0.26,-136.10)  122.78                80
 09/01/2019   10:52:40   (  -0.03,-137.16) (   0.89,-141.38)  479.38                80
 09/02/2019   10:31:15   (  -0.03,-137.15) (  -0.07,-136.83)   36.15                80
 09/04/2019   22:34:27   (   0.03,-137.13) (  -0.10,-137.60)   54.96                80
 09/05/2019   22:18:22   (   0.04,-137.11) (   0.92,-133.07)  459.96                80
 09/07/2019   10:40:11   (  -0.04,-137.08) (   0.23,-138.35)  143.57                80
 09/08/2019   10:18:46   (  -0.04,-137.07) (  -0.79,-133.82)  370.90                80