Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2018 3 13.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-20) NOAA-20 Lat/Lon Date Time(NOAA-19) NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 03/13/2018   22:34:10   (  80.63, 154.99) 03/13/2018   22:33:44  (  80.64, 155.09)    1.90                26
 03/13/2018   23:24:55   ( -80.64, -37.82) 03/13/2018   23:24:42  ( -80.63, -37.82)    1.24                13
 03/14/2018   00:15:40   (  80.64, 129.58) 03/14/2018   00:15:45  (  80.64, 129.69)    2.05                 5
 03/14/2018   01:06:25   ( -80.64, -63.24) 03/14/2018   01:06:43  ( -80.63, -63.24)    1.11                18
 03/14/2018   01:57:10   (  80.64, 104.17) 03/14/2018   01:57:46  (  80.65, 104.28)    2.21                36
 03/14/2018   02:47:55   ( -80.65, -88.65) 03/14/2018   02:48:44  ( -80.64, -88.65)    0.99                49
 03/14/2018   03:38:40   (  80.64,  78.75) 03/14/2018   03:39:47  (  80.65,  78.87)    2.37                67
 03/27/2018   14:44:40   (  80.63, -87.52) 03/27/2018   14:43:42  (  80.61, -87.65)    2.89                58
 03/27/2018   15:35:25   ( -80.63,  79.76) 03/27/2018   15:34:37  ( -80.62,  79.89)    2.48                48
 03/27/2018   16:26:10   (  80.63,-112.94) 03/27/2018   16:25:43  (  80.61,-113.07)    2.85                27
 03/27/2018   17:16:55   ( -80.63,  54.34) 03/27/2018   17:16:38  ( -80.62,  54.47)    2.39                17
 03/27/2018   18:07:40   (  80.63,-138.35) 03/27/2018   18:07:44  (  80.62,-138.48)    2.81                 4
 03/27/2018   18:58:25   ( -80.63,  28.93) 03/27/2018   18:58:39  ( -80.63,  29.05)    2.30                14
 03/27/2018   19:49:10   (  80.63,-163.77) 03/27/2018   19:49:45  (  80.62,-163.90)    2.77                35
 03/27/2018   20:39:55   ( -80.63,   3.52) 03/27/2018   20:40:40  ( -80.63,   3.64)    2.21                45