Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 4 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/23/2019   08:23:34   (   0.12,-104.39) (   0.23,-104.98)   67.10                80
 04/24/2019   08:07:30   (   0.13,-104.39) (  -0.75,-100.44)  449.76                80
 04/25/2019   20:29:28   (  -0.12,-104.39) (  -0.40,-105.76)  155.84                80
 04/26/2019   20:08:04   (  -0.13,-104.39) (   0.58,-101.23)  360.07                80
 04/28/2019   08:29:53   (   0.12,-104.39) (   0.57,-106.51)  240.81                80
 04/29/2019   08:13:48   (   0.13,-104.40) (  -0.40,-101.97)  276.24                80
 04/30/2019   20:35:47   (  -0.11,-104.41) (  -0.74,-107.29)  327.20                80
 05/01/2019   20:14:22   (  -0.12,-104.41) (   0.23,-102.75)  188.87                80
 05/03/2019   08:36:12   (   0.11,-104.40) (   0.93,-108.03)  413.88                80
 05/04/2019   08:20:08   (   0.12,-104.41) (  -0.10,-103.51)  103.12                80