Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2018 5 31.  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)
 06/11/2018   09:13:42   ( -80.46, 174.42) 06/11/2018   09:14:51  ( -80.47, 176.99)   47.34                69
 06/11/2018   10:04:32   (  80.54, -16.59) 06/11/2018   10:05:39  (  80.53, -16.62)    1.12                67
 06/11/2018   10:55:38   ( -80.55, 150.69) 06/11/2018   10:56:24  ( -80.54, 150.59)    1.83                46
 06/11/2018   11:46:33   (  80.55, -42.03) 06/11/2018   11:47:09  (  80.54, -42.03)    0.94                36
 06/11/2018   12:37:39   ( -80.55, 125.24) 06/11/2018   12:37:54  ( -80.54, 125.18)    1.17                15
 06/11/2018   13:28:34   (  80.55, -67.48) 06/11/2018   13:28:39  (  80.54, -67.44)    1.17                 5
 06/11/2018   14:19:40   ( -80.55,  99.79) 06/11/2018   14:19:24  ( -80.55,  99.77)    0.58                16
 06/11/2018   15:10:35   (  80.55, -92.92) 06/11/2018   15:10:09  (  80.54, -92.85)    1.64                26
 06/11/2018   16:01:41   ( -80.55,  74.35) 06/11/2018   16:00:54  ( -80.55,  74.36)    0.54                47
 06/11/2018   16:52:36   (  80.55,-118.37) 06/11/2018   16:51:39  (  80.54,-118.26)    2.20                57