Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 3 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/13/2019   20:35:52   (  -0.08,-104.26) (  -0.74,-107.31)  347.05                80
 03/14/2019   20:14:26   (  -0.08,-104.26) (   0.26,-102.78)  169.12                80
 03/16/2019   08:36:14   (   0.08,-104.40) (   0.88,-108.05)  415.05                80
 03/17/2019   08:20:08   (   0.09,-104.40) (  -0.13,-103.51)  101.98                80
 03/19/2019   20:23:18   (  -0.09,-104.26) (  -0.07,-104.27)    2.35                80
 03/22/2019   08:23:40   (   0.09,-104.40) (   0.20,-105.01)   69.05                80
 03/23/2019   08:07:34   (   0.09,-104.41) (  -0.80,-100.48)  448.34                80
 03/24/2019   20:29:29   (  -0.09,-104.28) (  -0.45,-105.76)  169.41                80
 03/25/2019   20:08:04   (  -0.09,-104.28) (   0.61,-101.24)  346.98                80