Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2019 10 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/07/2019   22:15:39   (   0.02,-137.20) (   0.93,-133.06)  472.11                80
 10/09/2019   10:40:06   (  -0.02,-137.21) (   0.26,-138.32)  127.96                80
 10/10/2019   10:21:22   (  -0.02,-137.21) (  -0.78,-133.80)  388.21                80
 10/11/2019   22:40:38   (   0.02,-137.19) (  -0.38,-139.11)  217.88                80
 10/12/2019   22:24:33   (   0.01,-137.19) (   0.60,-134.57)  298.09                80
 10/14/2019   10:43:40   (  -0.01,-137.19) (   0.59,-139.84)  302.68                80
 10/15/2019   10:27:35   (   0.01,-137.18) (  -0.39,-135.31)  213.14                80
 10/16/2019   22:49:31   (  -0.02,-137.16) (  -0.77,-140.62)  393.83                80
 10/17/2019   22:28:05   (  -0.02,-137.14) (   0.21,-136.08)  120.94                80
 10/19/2019   10:52:33   (   0.02,-137.13) (   0.98,-141.35)  481.64                80
 10/20/2019   10:31:08   (   0.02,-137.11) (  -0.06,-136.83)   32.58                80