Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 9 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/08/2019   08:39:22   (   0.35,-104.23) (   1.21,-107.99)  428.40                80
 09/09/2019   08:17:57   (   0.35,-104.22) (   0.19,-103.46)   86.61                80
 09/11/2019   20:23:49   (  -0.34,-104.31) (  -0.35,-104.23)    9.36                80
 09/14/2019   08:26:53   (   0.34,-104.22) (   0.48,-104.98)   84.88                80
 09/15/2019   08:05:28   (   0.34,-104.21) (  -0.49,-100.43)  430.65                80
 09/16/2019   20:27:25   (  -0.33,-104.30) (  -0.63,-105.75)  164.95                80
 09/17/2019   20:11:19   (  -0.34,-104.30) (   0.33,-101.21)  352.37                80
 09/19/2019   08:33:08   (   0.33,-104.23) (   0.82,-106.48)  255.65                80
 09/20/2019   08:11:42   (   0.33,-104.22) (  -0.15,-101.94)  259.64                80