Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2018 8 31.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/01/2018   08:11:36   (   0.38,-104.28) (  -0.16,-101.89)  273.02                80
 09/02/2018   20:33:33   (  -0.38,-104.40) (  -1.02,-107.20)  318.78                80
 09/03/2018   20:17:30   (  -0.38,-104.39) (   0.03,-102.68)  196.47                80
 09/05/2018   08:39:17   (   0.37,-104.25) (   1.23,-107.93)  420.46                80
 09/06/2018   08:17:54   (   0.37,-104.22) (   0.18,-103.41)   93.24                80
 09/08/2018   20:23:47   (  -0.36,-104.31) (  -0.35,-104.18)   14.06                80
 09/11/2018   08:26:51   (   0.36,-104.17) (   0.51,-104.92)   85.80                80
 09/12/2018   08:05:27   (   0.36,-104.15) (  -0.49,-100.39)  428.48                80
 09/13/2018   20:27:24   (  -0.35,-104.23) (  -0.67,-105.70)  166.67                80