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

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/15/2019   08:13:57   (   0.10,-104.39) (  -0.41,-101.99)  272.87                80
 05/16/2019   20:35:56   (  -0.08,-104.46) (  -0.70,-107.32)  325.19                80
 05/17/2019   20:14:31   (  -0.09,-104.46) (   0.29,-102.78)  191.10                80
 05/19/2019   08:36:19   (   0.07,-104.40) (   0.91,-108.05)  417.01                80
 05/20/2019   08:20:16   (   0.08,-104.40) (  -0.14,-103.53)  100.23                80
 05/21/2019   20:42:13   (  -0.05,-104.48) (  -1.03,-108.84)  496.16                80
 05/22/2019   20:20:49   (  -0.07,-104.48) (  -0.03,-104.30)   20.27                80
 05/25/2019   08:23:54   (   0.06,-104.42) (   0.18,-105.05)   71.84                80
 05/26/2019   08:07:49   (   0.07,-104.42) (  -0.81,-100.52)  445.69                80
 05/27/2019   20:29:46   (  -0.05,-104.52) (  -0.35,-105.83)  149.56                80