Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2018 10 11.  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)
 10/13/2018   22:20:51   ( -80.42, -18.46) 10/13/2018   22:21:58  ( -80.40, -18.41)    2.26                67
 10/13/2018   23:11:46   (  80.42, 148.74) 10/13/2018   23:12:44  (  80.42, 148.66)    1.57                58
 10/14/2018   00:02:52   ( -80.42, -43.94) 10/14/2018   00:03:28  ( -80.41, -43.82)    2.94                36
 10/14/2018   00:53:47   (  80.42, 123.26) 10/14/2018   00:54:14  (  80.43, 123.25)    0.67                27
 10/14/2018   01:44:53   ( -80.42, -69.43) 10/14/2018   01:44:59  ( -80.43, -69.55)    2.57                 6
 10/14/2018   02:35:48   (  80.42,  97.77) 10/14/2018   02:35:44  (  80.43,  97.84)    1.52                 4
 10/14/2018   03:26:54   ( -80.42, -94.92) 10/14/2018   03:26:29  ( -80.44, -94.97)    1.63                25
 10/14/2018   04:17:49   (  80.42,  72.29) 10/14/2018   04:17:14  (  80.43,  72.43)    2.84                35
 10/14/2018   05:08:55   ( -80.43,-120.40) 10/14/2018   05:07:59  ( -80.44,-120.38)    1.64                56