Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 6 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/01/2019   20:36:04   (  -0.02,-104.55) (  -0.63,-107.35)  318.98                80
 06/02/2019   20:14:40   (  -0.04,-104.55) (   0.36,-102.82)  197.58                80
 06/04/2019   08:36:28   (   0.01,-104.43) (   0.83,-108.09)  416.79                80
 06/05/2019   08:20:24   (   0.02,-104.44) (  -0.17,-103.55)  100.19                80
 06/06/2019   20:39:42   (   0.01,-104.56) (  -0.93,-108.88)  491.04                80
 06/07/2019   20:23:38   (  -0.01,-104.56) (   0.06,-104.34)   25.49                80
 06/10/2019   08:24:01   (  -0.00,-104.44) (   0.13,-105.08)   73.07                80
 06/11/2019   08:07:57   (   0.01,-104.44) (  -0.87,-100.55)  444.09                80
 06/12/2019   20:27:14   (   0.02,-104.58) (  -0.29,-105.86)  146.29                80
 06/13/2019   20:11:10   (   0.00,-104.58) (   0.71,-101.32)  370.41                80