Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 2 9.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-20) NOAA-20 Lat/Lon Date Time(LANDSAT-8) LANDSAT-8 Lat/Lon    Distance(km)  Time Diff(sec)
 02/11/2018   14:15:39   ( -71.08, 140.89) 02/11/2018   14:16:46  ( -70.97, 143.41)   92.05                67
 02/11/2018   15:06:07   (  70.12, -50.27) 02/11/2018   15:06:27  (  70.11, -50.23)    2.14                20
 02/11/2018   15:56:48   ( -69.98, 117.27) 02/11/2018   15:55:57  ( -70.00, 117.24)    1.70                51
 02/14/2018   06:32:17   ( -70.19,-101.91) 02/14/2018   06:33:29  ( -70.17,-101.91)    1.89                72
 02/14/2018   07:23:01   (  70.07,  65.58) 02/14/2018   07:22:56  (  70.07,  65.59)    1.02                 5
 02/14/2018   08:13:40   ( -69.83,-126.73) 02/14/2018   08:12:27  ( -69.90,-127.01)   13.68                73
 02/16/2018   22:49:11   ( -70.14,  13.94) 02/16/2018   22:49:58  ( -70.13,  13.91)    1.63                47
 02/16/2018   23:39:55   (  70.02,-178.58) 02/16/2018   23:39:25  (  70.02,-178.60)    1.18                30
 02/19/2018   14:15:38   (  70.97, -38.94) 02/19/2018   14:16:45  (  70.84, -36.79)   79.60                67
 02/19/2018   15:06:05   ( -70.09, 129.79) 02/19/2018   15:06:27  ( -70.08, 129.72)    2.67                22
 02/19/2018   15:56:49   (  69.97, -62.73) 02/19/2018   15:55:54  (  69.97, -62.79)    2.45                55
 02/22/2018   06:32:17   (  70.18,  78.09) 02/22/2018   06:33:24  (  70.18,  78.12)    1.05                67
 02/22/2018   07:22:59   ( -70.09,-114.45) 02/22/2018   07:22:54  ( -70.08,-114.40)    1.98                 5
 02/22/2018   08:13:37   (  69.66,  53.50) 02/22/2018   08:12:25  (  69.75,  52.78)   29.41                72