Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 6 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/13/2019   20:11:10   (   0.00,-104.62) (   0.75,-101.33)  374.85                80
 06/15/2019   08:30:19   (  -0.04,-104.49) (   0.44,-106.60)  240.47                80
 06/16/2019   08:14:14   (  -0.02,-104.50) (  -0.56,-102.06)  277.03                80
 06/17/2019   20:33:32   (   0.06,-104.65) (  -0.54,-107.39)  311.89                80
 06/18/2019   20:17:28   (   0.04,-104.65) (   0.46,-102.86)  205.32                80
 06/20/2019   08:36:36   (  -0.07,-104.52) (   0.72,-108.12)  410.61                80
 06/21/2019   08:20:32   (  -0.06,-104.53) (  -0.28,-103.59)  107.08                80
 06/22/2019   20:39:49   (   0.09,-104.69) (  -0.87,-108.90)  480.77                80
 06/23/2019   20:23:45   (   0.07,-104.70) (   0.13,-104.37)   36.80                80
 06/26/2019   08:24:08   (  -0.08,-104.57) (   0.05,-105.11)   61.52                80