Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2018 5 27.  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)
 05/28/2018   14:30:54   (  80.49, -84.77) 05/28/2018   14:32:05  (  80.52, -83.04)   31.92                71
 05/28/2018   15:21:56   ( -80.55,  83.82) 05/28/2018   15:22:51  ( -80.55,  83.81)    0.31                55
 05/28/2018   16:12:51   (  80.56,-108.83) 05/28/2018   16:13:36  (  80.55,-108.79)    1.46                45
 05/28/2018   17:03:57   ( -80.56,  58.38) 05/28/2018   17:04:21  ( -80.56,  58.40)    0.33                24
 05/28/2018   17:54:52   (  80.56,-134.28) 05/28/2018   17:55:06  (  80.55,-134.19)    1.93                14
 05/28/2018   18:45:58   ( -80.56,  32.94) 05/28/2018   18:45:51  ( -80.56,  32.99)    0.92                 7
 05/28/2018   19:36:53   (  80.56,-159.72) 05/28/2018   19:36:36  (  80.55,-159.60)    2.47                17
 05/28/2018   20:27:59   ( -80.56,   7.50) 05/28/2018   20:27:21  ( -80.56,   7.58)    1.52                38
 05/28/2018   21:18:54   (  80.57, 174.84) 05/28/2018   21:18:06  (  80.55, 174.99)    3.05                48
 05/28/2018   22:10:00   ( -80.56, -17.94) 05/28/2018   22:08:51  ( -80.56, -17.82)    2.12                69