Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 8 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)
 08/31/2019   20:27:25   (  -0.37,-104.41) (  -0.64,-105.76)  154.17                80
 09/01/2019   20:11:20   (  -0.37,-104.40) (   0.32,-101.22)  361.90                80
 09/03/2019   08:33:07   (   0.37,-104.25) (   0.88,-106.48)  255.24                80
 09/04/2019   08:11:42   (   0.37,-104.23) (  -0.14,-101.95)  259.25                80
 09/05/2019   20:33:40   (  -0.36,-104.34) (  -1.00,-107.27)  332.60                80
 09/06/2019   20:17:35   (  -0.36,-104.34) (   0.02,-102.74)  183.49                80
 09/08/2019   08:39:23   (   0.35,-104.21) (   1.18,-108.00)  431.09                80
 09/09/2019   08:17:57   (   0.35,-104.19) (   0.22,-103.46)   83.42                80
 09/11/2019   20:23:50   (  -0.34,-104.28) (  -0.32,-104.24)    5.27                80