Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2018 5 25.  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   14:30:55   (  80.48, -85.00) 05/28/2018   14:32:05  (  80.51, -82.94)   38.20                70
 05/28/2018   15:21:56   ( -80.56,  83.95) 05/28/2018   15:22:51  ( -80.54,  83.93)    1.73                55
 05/28/2018   16:12:52   (  80.55,-109.07) 05/28/2018   16:13:37  (  80.56,-109.01)    2.00                45
 05/28/2018   17:03:57   ( -80.56,  58.51) 05/28/2018   17:04:21  ( -80.55,  58.53)    1.76                24
 05/28/2018   17:54:53   (  80.55,-134.51) 05/28/2018   17:55:07  (  80.56,-134.42)    2.35                14
 05/28/2018   18:45:58   ( -80.57,  33.07) 05/28/2018   18:45:51  ( -80.55,  33.12)    1.99                 7
 05/28/2018   19:36:54   (  80.55,-159.95) 05/28/2018   19:36:37  (  80.57,-159.83)    2.80                17
 05/28/2018   20:27:59   ( -80.57,   7.63) 05/28/2018   20:27:21  ( -80.55,   7.71)    2.34                38
 05/28/2018   21:18:55   (  80.55, 174.61) 05/28/2018   21:18:07  (  80.57, 174.77)    3.31                48
 05/28/2018   22:10:00   ( -80.57, -17.81) 05/28/2018   22:08:51  ( -80.55, -17.70)    2.78                69