Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 3 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/28/2019   08:13:46   (   0.11,-104.41) (  -0.45,-101.97)  278.44                80
 03/29/2019   20:35:41   (  -0.11,-104.32) (  -0.75,-107.27)  334.97                80
 03/30/2019   20:14:15   (  -0.11,-104.32) (   0.26,-102.73)  181.41                80
 04/01/2019   08:36:02   (   0.11,-104.40) (   0.93,-107.99)  409.22                80
 04/02/2019   08:19:56   (   0.12,-104.41) (  -0.08,-103.46)  108.34                80
 04/04/2019   20:20:26   (  -0.12,-104.34) (  -0.11,-104.22)   13.72                80
 04/07/2019   08:23:28   (   0.12,-104.42) (   0.23,-104.96)   61.27                80
 04/08/2019   08:07:22   (   0.12,-104.42) (  -0.78,-100.42)  456.19                80
 04/09/2019   20:29:18   (  -0.12,-104.36) (  -0.41,-105.72)  154.70                80