Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 9 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)
 10/01/2019   08:05:26   (   0.30,-104.20) (  -0.52,-100.42)  430.11                80
 10/02/2019   20:27:23   (  -0.28,-104.24) (  -0.65,-105.74)  171.72                80
 10/03/2019   20:11:18   (  -0.29,-104.24) (   0.39,-101.21)  345.55                80
 10/05/2019   08:33:07   (   0.27,-104.23) (   0.75,-106.49)  257.33                80
 10/06/2019   08:11:41   (   0.27,-104.22) (  -0.23,-101.95)  258.03                80
 10/07/2019   20:33:37   (  -0.25,-104.22) (  -0.93,-107.27)  347.13                80
 10/08/2019   20:17:33   (  -0.26,-104.23) (   0.10,-102.74)  170.32                80
 10/10/2019   08:39:20   (   0.23,-104.25) (   1.09,-108.01)  428.78                80
 10/11/2019   08:17:56   (   0.25,-104.24) (   0.06,-103.49)   86.98                80
 10/13/2019   20:21:07   (  -0.23,-104.23) (  -0.23,-104.26)    3.32                80