Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 5 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)
 05/16/2019   20:35:56   (  -0.08,-104.47) (  -0.69,-107.32)  324.36                80
 05/17/2019   20:14:31   (  -0.09,-104.47) (   0.30,-102.79)  192.10                80
 05/19/2019   08:36:20   (   0.07,-104.40) (   0.90,-108.05)  416.48                80
 05/20/2019   08:20:15   (   0.08,-104.41) (  -0.10,-103.52)  100.83                80
 05/21/2019   20:42:13   (  -0.05,-104.50) (  -1.01,-108.84)  494.84                80
 05/22/2019   20:20:49   (  -0.07,-104.50) (  -0.02,-104.31)   21.75                80
 05/25/2019   08:23:53   (   0.06,-104.43) (   0.22,-105.04)   70.64                80
 05/26/2019   08:07:49   (   0.07,-104.44) (  -0.83,-100.52)  447.00                80
 05/27/2019   20:29:47   (  -0.05,-104.53) (  -0.33,-105.83)  147.60                80
 05/28/2019   20:08:22   (  -0.07,-104.54) (   0.66,-101.30)  369.33                80