Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2018 11 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/16/2018   20:27:30   (  -0.08,-104.02) (  -0.52,-105.83)  207.03                80
 11/17/2018   20:11:26   (  -0.09,-104.02) (   0.50,-101.30)  310.21                80
 11/19/2018   08:33:14   (   0.07,-104.16) (   0.63,-106.58)  275.97                80
 11/20/2018   08:11:50   (   0.09,-104.16) (  -0.39,-102.05)  239.81                80
 11/21/2018   20:33:46   (  -0.06,-104.01) (  -0.81,-107.36)  382.03                80
 11/22/2018   20:17:42   (  -0.07,-104.01) (   0.21,-102.83)  135.05                80
 11/24/2018   08:39:30   (   0.05,-104.17) (   0.93,-108.11)  448.92                80
 11/25/2018   08:18:04   (   0.07,-104.16) (  -0.04,-103.57)   66.54                80
 11/27/2018   20:21:16   (  -0.05,-103.98) (  -0.13,-104.35)   41.76                80
 11/28/2018   20:05:12   (  -0.06,-103.98) (   0.90, -99.82)  474.89                80