Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2018 10 13.  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   ( -80.41, -18.60) 10/13/2018   22:21:58  ( -80.41, -18.46)    2.61                67
 10/13/2018   23:11:46   (  80.41, 148.61) 10/13/2018   23:12:44  (  80.43, 148.62)    1.59                58
 10/14/2018   00:02:52   ( -80.42, -44.09) 10/14/2018   00:03:29  ( -80.44, -44.20)    3.09                37
 10/14/2018   00:53:47   (  80.41, 123.12) 10/14/2018   00:54:14  (  80.43, 123.21)    2.41                27
 10/14/2018   01:44:52   ( -80.43, -69.24) 10/14/2018   01:44:58  ( -80.41, -69.29)    2.46                 6
 10/14/2018   02:35:47   (  80.43,  97.98) 10/14/2018   02:35:44  (  80.43,  97.80)    3.31                 3
 10/14/2018   03:26:53   ( -80.43, -94.72) 10/14/2018   03:26:28  ( -80.42, -94.70)    2.06                25
 10/14/2018   04:17:48   (  80.43,  72.49) 10/14/2018   04:17:14  (  80.43,  72.38)    1.96                34
 10/14/2018   05:08:54   ( -80.44,-120.21) 10/14/2018   05:07:58  ( -80.42,-120.11)    2.53                56