Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 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)
 09/04/2019   08:11:43   (   0.37,-104.23) (  -0.17,-101.96)  259.32                80
 09/05/2019   20:33:39   (  -0.36,-104.34) (  -1.03,-107.26)  333.12                80
 09/06/2019   20:17:35   (  -0.36,-104.33) (  -0.00,-102.73)  182.84                80
 09/08/2019   08:39:22   (   0.35,-104.21) (   1.21,-107.99)  431.42                80
 09/09/2019   08:17:58   (   0.35,-104.19) (   0.18,-103.46)   82.93                80
 09/11/2019   20:23:49   (  -0.34,-104.27) (  -0.35,-104.23)    4.14                80
 09/14/2019   08:26:52   (   0.34,-104.16) (   0.53,-104.96)   92.12                80
 09/15/2019   08:05:28   (   0.34,-104.14) (  -0.50,-100.43)  422.71                80
 09/16/2019   20:27:24   (  -0.33,-104.22) (  -0.68,-105.74)  173.32                80
 09/17/2019   20:11:20   (  -0.34,-104.22) (   0.35,-101.21)  343.25                80