Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2018 9 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/05/2018   08:39:17   (   0.37,-104.25) (   1.23,-107.93)  420.12                80
 09/06/2018   08:17:54   (   0.37,-104.23) (   0.18,-103.41)   93.70                80
 09/08/2018   20:23:47   (  -0.36,-104.32) (  -0.36,-104.18)   15.27                80
 09/11/2018   08:26:51   (   0.36,-104.18) (   0.51,-104.92)   84.67                80
 09/12/2018   08:05:27   (   0.36,-104.16) (  -0.49,-100.39)  429.72                80
 09/13/2018   20:27:24   (  -0.35,-104.25) (  -0.68,-105.70)  164.89                80
 09/14/2018   20:11:20   (  -0.36,-104.25) (   0.32,-101.16)  351.06                80
 09/16/2018   08:33:09   (   0.34,-104.14) (   0.83,-106.44)  261.80                80
 09/17/2018   08:11:45   (   0.35,-104.12) (  -0.16,-101.91)  252.58                80