Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 4 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)
 04/28/2019   08:29:52   (   0.12,-104.37) (   0.60,-106.49)  241.71                80
 04/29/2019   08:13:47   (   0.13,-104.38) (  -0.39,-101.96)  275.19                80
 04/30/2019   20:35:46   (  -0.11,-104.40) (  -0.75,-107.28)  327.25                80
 05/01/2019   20:14:21   (  -0.12,-104.40) (   0.24,-102.74)  188.68                80
 05/03/2019   08:36:11   (   0.11,-104.37) (   0.90,-108.02)  415.47                80
 05/04/2019   08:20:06   (   0.12,-104.38) (  -0.09,-103.49)  101.39                80
 05/05/2019   20:42:03   (  -0.10,-104.42) (  -1.10,-108.80)  499.49                80
 05/06/2019   20:20:40   (  -0.11,-104.41) (  -0.05,-104.27)   16.39                80
 05/09/2019   08:23:44   (   0.10,-104.36) (   0.27,-105.01)   73.92                80
 05/10/2019   08:07:40   (   0.11,-104.36) (  -0.78,-100.49)  442.58                80