Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2018 1 11.  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)
 01/17/2018   21:24:32   (  80.68, 171.89) 01/17/2018   21:23:17  (  80.69, 171.98)    1.93                75
 01/17/2018   22:15:17   ( -80.68, -20.81) 01/17/2018   22:14:23  ( -80.69, -20.85)    1.13                54
 01/17/2018   23:06:02   (  80.68, 146.48) 01/17/2018   23:05:18  (  80.69, 146.59)    2.34                44
 01/17/2018   23:56:47   ( -80.68, -46.21) 01/17/2018   23:56:24  ( -80.69, -46.24)    1.10                23
 01/18/2018   00:47:32   (  80.68, 121.08) 01/18/2018   00:47:19  (  80.70, 121.20)    2.76                13
 01/18/2018   01:38:16   ( -80.68, -71.62) 01/18/2018   01:38:24  ( -80.70, -71.63)    1.24                 8
 01/18/2018   02:29:02   (  80.71,  95.32) 01/18/2018   02:29:20  (  80.69,  95.46)    3.15                18
 01/18/2018   03:19:46   ( -80.69, -97.03) 01/18/2018   03:20:25  ( -80.70, -97.01)    1.50                39
 01/18/2018   04:10:32   (  80.71,  69.91) 01/18/2018   04:11:21  (  80.69,  70.07)    3.28                49