Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2018 3 24.  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)
 04/03/2018   11:39:40   (  80.61, -41.34) 04/03/2018   11:40:44  (  80.60, -41.29)    1.50                64
 04/03/2018   12:30:36   ( -80.60, 125.78) 04/03/2018   12:31:30  ( -80.62, 125.72)    2.10                54
 04/03/2018   13:21:41   (  80.61, -66.76) 04/03/2018   13:22:14  (  80.60, -66.69)    1.86                33
 04/03/2018   14:12:36   ( -80.61, 100.37) 04/03/2018   14:12:59  ( -80.62, 100.32)    1.75                23
 04/03/2018   15:03:41   (  80.62, -92.18) 04/03/2018   15:03:43  (  80.60, -92.09)    2.23                 2
 04/03/2018   15:54:37   ( -80.61,  74.95) 04/03/2018   15:54:29  ( -80.62,  74.92)    1.41                 8
 04/03/2018   16:45:42   (  80.62,-117.60) 04/03/2018   16:45:13  (  80.61,-117.49)    2.60                29
 04/03/2018   17:36:38   ( -80.61,  49.53) 04/03/2018   17:35:59  ( -80.62,  49.52)    1.12                39
 04/03/2018   18:27:43   (  80.62,-143.02) 04/03/2018   18:26:43  (  80.61,-142.89)    2.97                60