Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 6 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/17/2019   20:33:32   (   0.06,-104.65) (  -0.56,-107.38)  312.06                80
 06/18/2019   20:17:28   (   0.04,-104.65) (   0.44,-102.85)  204.96                80
 06/20/2019   08:36:36   (  -0.07,-104.51) (   0.74,-108.12)  411.68                80
 06/21/2019   08:20:32   (  -0.06,-104.52) (  -0.26,-103.59)  105.80                80
 06/22/2019   20:39:50   (   0.09,-104.68) (  -0.84,-108.91)  481.90                80
 06/23/2019   20:23:45   (   0.07,-104.68) (   0.17,-104.38)   35.61                80
 06/26/2019   08:24:09   (  -0.08,-104.55) (   0.01,-105.12)   63.69                80
 06/27/2019   08:08:05   (  -0.07,-104.56) (  -0.99,-100.58)  453.99                80
 06/28/2019   20:27:22   (   0.10,-104.72) (  -0.16,-105.89)  133.56                80
 06/29/2019   20:11:18   (   0.09,-104.73) (   0.84,-101.36)  383.64                80