Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 5 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/14/2019   08:30:02   (   0.09,-104.38) (   0.58,-106.53)  244.83                80
 05/15/2019   08:13:57   (   0.10,-104.39) (  -0.41,-101.99)  272.29                80
 05/16/2019   20:35:55   (  -0.08,-104.45) (  -0.71,-107.32)  325.94                80
 05/17/2019   20:14:31   (  -0.09,-104.45) (   0.28,-102.78)  190.26                80
 05/19/2019   08:36:19   (   0.07,-104.39) (   0.91,-108.05)  417.92                80
 05/20/2019   08:20:16   (   0.08,-104.39) (  -0.14,-103.53)   99.23                80
 05/21/2019   20:42:13   (  -0.05,-104.47) (  -1.03,-108.84)  497.32                80
 05/22/2019   20:20:49   (  -0.07,-104.47) (  -0.04,-104.30)   19.05                80
 05/25/2019   08:23:54   (   0.06,-104.40) (   0.19,-105.05)   73.23                80
 05/26/2019   08:07:49   (   0.07,-104.41) (  -0.80,-100.52)  444.21                80