Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2018 6 10.  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   09:13:43   ( -80.44, 174.11) 06/11/2018   09:14:51  ( -80.47, 177.03)   54.03                68
 06/11/2018   10:04:33   (  80.53, -16.84) 06/11/2018   10:05:40  (  80.55, -16.84)    2.11                67
 06/11/2018   10:55:38   ( -80.55, 150.72) 06/11/2018   10:56:24  ( -80.54, 150.64)    1.67                46
 06/11/2018   11:46:34   (  80.53, -42.29) 06/11/2018   11:47:10  (  80.55, -42.25)    2.20                36
 06/11/2018   12:37:39   ( -80.55, 125.27) 06/11/2018   12:37:54  ( -80.54, 125.23)    1.12                15
 06/11/2018   13:28:34   (  80.54, -67.73) 06/11/2018   13:28:39  (  80.55, -67.66)    2.46                 5
 06/11/2018   14:19:39   ( -80.55,  99.82) 06/11/2018   14:19:23  ( -80.54,  99.82)    0.84                16
 06/11/2018   15:10:35   (  80.54, -93.18) 06/11/2018   15:10:09  (  80.56, -93.07)    2.86                26
 06/11/2018   16:01:40   ( -80.55,  74.37) 06/11/2018   16:00:53  ( -80.55,  74.41)    1.07                47
 06/11/2018   16:52:35   (  80.56,-118.28) 06/11/2018   16:51:38  (  80.54,-118.15)    3.32                57