Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2018 1 14.  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   (  80.69, 171.78) 01/17/2018   21:23:17  (  80.69, 171.90)    2.19                75
 01/17/2018   22:15:17   ( -80.69, -20.94) 01/17/2018   22:14:23  ( -80.68, -20.95)    0.61                54
 01/17/2018   23:06:02   (  80.69, 146.37) 01/17/2018   23:05:18  (  80.69, 146.51)    2.56                44
 01/17/2018   23:56:47   ( -80.69, -46.35) 01/17/2018   23:56:24  ( -80.69, -46.34)    0.36                23
 01/18/2018   00:47:32   (  80.69, 120.96) 01/18/2018   00:47:19  (  80.69, 121.12)    2.94                13
 01/18/2018   01:38:17   ( -80.69, -71.75) 01/18/2018   01:38:25  ( -80.69, -71.72)    0.58                 8
 01/18/2018   02:29:02   (  80.69,  95.55) 01/18/2018   02:29:21  (  80.69,  95.38)    3.26                19
 01/18/2018   03:19:47   ( -80.69, -97.16) 01/18/2018   03:20:26  ( -80.70, -97.11)    0.99                39
 01/18/2018   04:10:32   (  80.69,  70.14) 01/18/2018   04:11:22  (  80.69,  69.99)    2.85                50