Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 5 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/16/2019   20:35:56   (  -0.08,-104.47) (  -0.70,-107.32)  324.29                80
 05/17/2019   20:14:31   (  -0.09,-104.47) (   0.29,-102.78)  192.13                80
 05/19/2019   08:36:19   (   0.07,-104.40) (   0.91,-108.05)  416.59                80
 05/20/2019   08:20:16   (   0.08,-104.41) (  -0.14,-103.53)  100.69                80
 05/21/2019   20:42:13   (  -0.05,-104.50) (  -1.03,-108.84)  494.92                80
 05/22/2019   20:20:49   (  -0.07,-104.50) (  -0.03,-104.30)   21.66                80
 05/25/2019   08:23:54   (   0.06,-104.42) (   0.18,-105.05)   70.88                80
 05/26/2019   08:07:49   (   0.07,-104.43) (  -0.81,-100.52)  446.70                80
 05/27/2019   20:29:46   (  -0.05,-104.53) (  -0.35,-105.83)  147.84                80
 05/28/2019   20:08:22   (  -0.07,-104.53) (   0.65,-101.29)  369.07                80
 05/30/2019   08:30:11   (   0.04,-104.45) (   0.50,-106.57)  241.43                80