Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2018 8 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/31/2018   08:33:00   (   0.38,-104.30) (   0.84,-106.42)  241.14                80
 09/01/2018   08:11:36   (   0.38,-104.28) (  -0.14,-101.89)  272.86                80
 09/02/2018   20:33:33   (  -0.38,-104.40) (  -1.03,-107.19)  319.30                80
 09/03/2018   20:17:30   (  -0.38,-104.39) (   0.02,-102.67)  195.86                80
 09/05/2018   08:39:18   (   0.37,-104.24) (   1.19,-107.94)  420.96                80
 09/06/2018   08:17:53   (   0.37,-104.22) (   0.20,-103.40)   92.64                80
 09/08/2018   20:23:47   (  -0.36,-104.30) (  -0.32,-104.19)   13.03                80
 09/11/2018   08:26:51   (   0.36,-104.16) (   0.53,-104.92)   86.83                80
 09/12/2018   08:05:27   (   0.36,-104.14) (  -0.46,-100.38)  427.34                80