Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2018 9 2.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/03/2018   20:17:30   (  -0.38,-104.40) (   0.02,-102.67)  196.86                80
 09/05/2018   08:39:18   (   0.37,-104.25) (   1.18,-107.94)  420.16                80
 09/06/2018   08:17:53   (   0.37,-104.22) (   0.19,-103.40)   93.61                80
 09/08/2018   20:23:47   (  -0.36,-104.31) (  -0.31,-104.19)   14.96                80
 09/11/2018   08:26:51   (   0.36,-104.17) (   0.52,-104.92)   84.93                80
 09/12/2018   08:05:27   (   0.36,-104.15) (  -0.47,-100.39)  429.41                80
 09/13/2018   20:27:24   (  -0.35,-104.25) (  -0.69,-105.69)  165.36                80
 09/14/2018   20:11:19   (  -0.36,-104.24) (   0.31,-101.16)  350.56                80
 09/16/2018   08:33:09   (   0.34,-104.13) (   0.84,-106.44)  262.24                80