Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 3 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/12/2019   08:13:56   (   0.07,-104.41) (  -0.46,-102.01)  273.18                80
 03/13/2019   20:35:52   (  -0.08,-104.26) (  -0.74,-107.31)  347.10                80
 03/14/2019   20:14:26   (  -0.08,-104.26) (   0.26,-102.77)  169.00                80
 03/16/2019   08:36:13   (   0.08,-104.40) (   0.88,-108.05)  415.35                80
 03/17/2019   08:20:08   (   0.09,-104.40) (  -0.12,-103.51)  101.61                80
 03/19/2019   20:23:18   (  -0.09,-104.26) (  -0.08,-104.27)    1.90                80
 03/22/2019   08:23:40   (   0.09,-104.40) (   0.21,-105.01)   69.72                80
 03/23/2019   08:07:34   (   0.09,-104.40) (  -0.79,-100.47)  447.58                80
 03/24/2019   20:29:30   (  -0.09,-104.27) (  -0.40,-105.77)  170.14                80