Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2018 6 19.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-19) NOAA-19 Lat/Lon Date Time(NPP) NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/25/2018   04:47:15   ( -80.52,-117.26) 06/25/2018   04:48:25  ( -80.52,-117.12)    2.64                70
 06/25/2018   05:38:12   (  80.53,  50.13) 06/25/2018   05:39:11  (  80.54,  49.97)    3.20                59
 06/25/2018   06:29:15   ( -80.54,-142.37) 06/25/2018   06:29:55  ( -80.52,-142.53)    3.33                40
 06/25/2018   07:20:13   (  80.53,  24.68) 06/25/2018   07:20:41  (  80.54,  24.56)    2.59                28
 06/25/2018   08:11:16   ( -80.54,-167.82) 06/25/2018   08:11:25  ( -80.53,-167.94)    2.65                 9
 06/25/2018   09:02:14   (  80.53,  -0.77) 06/25/2018   09:02:11  (  80.54,  -0.86)    2.02                 3
 06/25/2018   09:53:17   ( -80.54, 166.72) 06/25/2018   09:52:55  ( -80.53, 166.65)    2.05                22
 06/25/2018   10:44:15   (  80.53, -26.22) 06/25/2018   10:43:41  (  80.54, -26.27)    1.56                34
 06/25/2018   11:35:18   ( -80.54, 141.27) 06/25/2018   11:34:25  ( -80.53, 141.24)    1.61                53