Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 5 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/17/2019   20:14:31   (  -0.09,-104.47) (   0.26,-102.78)  192.19                80
 05/19/2019   08:36:20   (   0.07,-104.40) (   0.87,-108.06)  416.81                80
 05/20/2019   08:20:15   (   0.08,-104.40) (  -0.12,-103.52)  100.39                80
 05/21/2019   20:42:13   (  -0.05,-104.49) (  -1.05,-108.83)  495.08                80
 05/22/2019   20:23:29   (  -0.07,-104.49) (  -0.00,-104.31)   21.64                80
 05/25/2019   08:23:53   (   0.06,-104.42) (   0.21,-105.04)   71.31                80
 05/26/2019   08:07:49   (   0.07,-104.43) (  -0.79,-100.51)  446.19                80
 05/27/2019   20:29:47   (  -0.05,-104.53) (  -0.32,-105.83)  148.27                80
 05/28/2019   20:08:22   (  -0.07,-104.53) (   0.68,-101.30)  368.64                80
 05/30/2019   08:30:11   (   0.04,-104.44) (   0.52,-106.57)  242.09                80
 05/31/2019   08:14:06   (   0.05,-104.45) (  -0.47,-102.03)  275.42                80