Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2018 12 16.  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)
 12/29/2018   02:09:32   ( -80.30, -74.71) 12/29/2018   02:08:20  ( -80.30, -74.58)    2.55                72
 12/29/2018   03:00:17   (  80.30,  92.59) 12/29/2018   02:59:24  (  80.30,  92.65)    1.23                53
 12/29/2018   03:51:02   ( -80.30,-100.10) 12/29/2018   03:50:21  ( -80.30,-100.08)    0.59                41
 12/29/2018   04:41:47   (  80.30,  67.20) 12/29/2018   04:41:25  (  80.30,  67.14)    1.37                22
 12/29/2018   05:32:32   ( -80.30,-125.49) 12/29/2018   05:32:22  ( -80.30,-125.59)    1.99                10
 12/29/2018   06:23:17   (  80.30,  41.81) 12/29/2018   06:23:25  (  80.32,  41.96)    3.07                 8
 12/29/2018   07:14:02   ( -80.30,-150.88) 12/29/2018   07:14:22  ( -80.32,-150.77)    2.52                20
 12/29/2018   08:04:47   (  80.31,  16.42) 12/29/2018   08:05:26  (  80.32,  16.45)    1.23                39
 12/29/2018   08:55:32   ( -80.30,-176.27) 12/29/2018   08:56:23  ( -80.32,-176.27)    1.26                51
 12/29/2018   09:46:17   (  80.31,  -8.97) 12/29/2018   09:47:27  (  80.31,  -9.06)    2.01                70