Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 12 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/09/2019   08:11:18   (   0.03,-104.27) (  -0.47,-102.01)  257.78                80
 12/10/2019   20:33:13   (  -0.01,-104.04) (  -0.74,-107.30)  371.41                80
 12/11/2019   20:17:08   (  -0.02,-104.05) (   0.26,-102.77)  145.83                80
 12/13/2019   08:38:55   (   0.01,-104.28) (   0.88,-108.04)  429.52                80
 12/14/2019   08:17:30   (   0.02,-104.27) (  -0.12,-103.51)   86.39                80
 12/16/2019   20:20:40   (  -0.01,-104.02) (  -0.07,-104.27)   28.44                80
 12/17/2019   20:04:34   (  -0.02,-104.03) (   0.93, -99.74)  488.47                80
 12/19/2019   08:26:22   (  -0.00,-104.27) (   0.15,-105.03)   86.12                80
 12/20/2019   08:04:57   (   0.01,-104.26) (  -0.85,-100.49)  429.92                80
 12/21/2019   20:26:51   (   0.01,-104.01) (  -0.40,-105.78)  202.17                80