Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2018 5 29.  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   ( -80.43, 173.86) 06/11/2018   09:14:50  ( -80.46, 177.16)   61.03                67
 06/11/2018   10:04:32   (  80.53, -16.83) 06/11/2018   10:05:39  (  80.55, -16.80)    1.80                67
 06/11/2018   10:55:38   ( -80.53, 150.46) 06/11/2018   10:56:24  ( -80.55, 150.43)    2.10                46
 06/11/2018   11:46:33   (  80.53, -42.28) 06/11/2018   11:47:09  (  80.55, -42.21)    2.10                36
 06/11/2018   12:37:39   ( -80.54, 125.01) 06/11/2018   12:37:54  ( -80.56, 125.02)    2.03                15
 06/11/2018   13:28:34   (  80.54, -67.72) 06/11/2018   13:28:39  (  80.55, -67.62)    2.54                 5
 06/11/2018   14:19:40   ( -80.54,  99.56) 06/11/2018   14:19:24  ( -80.56,  99.61)    2.20                16
 06/11/2018   15:10:35   (  80.54, -93.17) 06/11/2018   15:10:09  (  80.55, -93.03)    3.07                26
 06/11/2018   16:01:41   ( -80.54,  74.11) 06/11/2018   16:00:54  ( -80.56,  74.20)    2.56                47
 06/11/2018   16:52:35   (  80.56,-118.27) 06/11/2018   16:51:39  (  80.56,-118.44)    3.09                56