Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 4 24.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/25/2019   20:29:28   (  -0.12,-104.39) (  -0.40,-105.76)  155.44                80
 04/26/2019   20:08:03   (  -0.13,-104.38) (   0.58,-101.22)  360.36                80
 04/28/2019   08:29:52   (   0.12,-104.38) (   0.61,-106.49)  241.54                80
 04/29/2019   08:13:48   (   0.13,-104.38) (  -0.43,-101.97)  275.40                80
 04/30/2019   20:35:45   (  -0.11,-104.40) (  -0.76,-107.28)  327.34                80
 05/01/2019   20:14:21   (  -0.12,-104.40) (   0.23,-102.74)  188.67                80
 05/03/2019   08:36:10   (   0.11,-104.38) (   0.91,-108.02)  415.01                80
 05/04/2019   08:20:06   (   0.12,-104.38) (  -0.08,-103.49)  101.90                80
 05/05/2019   20:42:03   (  -0.10,-104.42) (  -1.11,-108.79)  499.29                80
 05/06/2019   20:20:40   (  -0.11,-104.41) (  -0.06,-104.27)   16.57                80