Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2018 11 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/11/2018   20:21:16   (  -0.11,-104.03) (  -0.15,-104.31)   31.39                80
 11/12/2018   20:05:10   (  -0.13,-104.04) (   0.81, -99.77)  485.86                80
 11/14/2018   08:27:00   (   0.10,-104.15) (   0.27,-105.07)  103.72                80
 11/15/2018   08:05:34   (   0.11,-104.14) (  -0.69,-100.52)  411.92                80
 11/16/2018   20:27:30   (  -0.08,-104.02) (  -0.52,-105.83)  206.91                80
 11/17/2018   20:11:26   (  -0.09,-104.03) (   0.50,-101.30)  310.37                80
 11/19/2018   08:33:14   (   0.07,-104.17) (   0.63,-106.58)  276.02                80
 11/20/2018   08:11:50   (   0.08,-104.16) (  -0.39,-102.05)  239.80                80
 11/21/2018   20:33:46   (  -0.06,-104.01) (  -0.81,-107.36)  381.73                80
 11/22/2018   20:17:42   (  -0.07,-104.02) (   0.21,-102.83)  135.39                80
 11/24/2018   08:39:30   (   0.05,-104.17) (   0.93,-108.11)  448.78                80