Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2018 5 17.  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)
 05/28/2018   14:30:54   (  80.50, -84.66) 05/28/2018   14:32:06  (  80.54, -83.32)   25.02                72
 05/28/2018   15:21:56   ( -80.56,  84.01) 05/28/2018   15:22:51  ( -80.54,  83.94)    2.38                55
 05/28/2018   16:12:52   (  80.55,-109.06) 05/28/2018   16:13:37  (  80.57,-109.06)    2.09                45
 05/28/2018   17:03:57   ( -80.57,  58.57) 05/28/2018   17:04:21  ( -80.55,  58.53)    2.17                24
 05/28/2018   17:54:53   (  80.55,-134.51) 05/28/2018   17:55:07  (  80.57,-134.47)    2.13                14
 05/28/2018   18:45:58   ( -80.57,  33.13) 05/28/2018   18:45:51  ( -80.55,  33.12)    2.11                 7
 05/28/2018   19:36:54   (  80.55,-159.95) 05/28/2018   19:36:37  (  80.57,-159.88)    2.33                17
 05/28/2018   20:27:59   ( -80.57,   7.69) 05/28/2018   20:27:21  ( -80.55,   7.71)    2.20                38
 05/28/2018   21:18:55   (  80.56, 174.61) 05/28/2018   21:18:07  (  80.57, 174.71)    2.67                48
 05/28/2018   22:10:01   ( -80.56, -18.10) 05/28/2018   22:08:52  ( -80.58, -18.03)    2.42                69