Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2020 11 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/06/2020   10:49:30   (   0.02,-137.23) (   0.92,-141.33)  466.66                80
 11/07/2020   10:33:25   (   0.02,-137.23) (  -0.08,-136.79)   50.21                80
 11/09/2020   22:33:54   (  -0.01,-137.23) (  -0.11,-137.56)   37.67                80
 11/10/2020   22:17:50   (  -0.01,-137.23) (   0.95,-133.03)  478.94                80
 11/12/2020   10:36:56   (   0.01,-137.23) (   0.26,-138.30)  121.76                80
 11/13/2020   10:20:51   (   0.01,-137.23) (  -0.74,-133.76)  394.38                80
 11/14/2020   22:40:06   (  -0.01,-137.21) (  -0.45,-139.06)  211.33                80
 11/15/2020   22:24:02   (  -0.01,-137.21) (   0.61,-134.54)  304.38                80
 11/17/2020   10:43:08   (   0.01,-137.19) (   0.59,-139.80)  297.65                80
 11/18/2020   10:24:22   (   0.01,-137.18) (  -0.41,-135.27)  217.49                80
 11/19/2020   22:46:18   (  -0.01,-137.15) (  -0.77,-140.57)  389.61                80