Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2018 8 15.  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)
 08/19/2018   12:43:20   ( -80.46, 124.61) 08/19/2018   12:44:28  ( -80.47, 124.58)    1.11                68
 08/19/2018   13:34:25   (  80.46, -68.24) 08/19/2018   13:35:13  (  80.47, -68.12)    2.73                48
 08/19/2018   14:25:21   ( -80.47,  99.14) 08/19/2018   14:25:58  ( -80.47,  99.19)    1.34                37
 08/19/2018   15:16:25   (  80.48, -93.38) 08/19/2018   15:16:43  (  80.48, -93.52)    2.63                18
 08/19/2018   16:07:22   ( -80.47,  73.67) 08/19/2018   16:07:28  ( -80.48,  73.80)    2.56                 6
 08/19/2018   16:58:26   (  80.48,-118.85) 08/19/2018   16:58:13  (  80.48,-118.91)    1.16                13
 08/19/2018   17:49:22   ( -80.49,  48.54) 08/19/2018   17:48:58  ( -80.48,  48.41)    2.65                24
 08/19/2018   18:40:27   (  80.48,-144.32) 08/19/2018   18:39:43  (  80.48,-144.30)    0.51                44
 08/19/2018   19:31:23   ( -80.49,  23.07) 08/19/2018   19:30:28  ( -80.48,  23.01)    1.45                55