Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 3 11.  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)
 03/12/2018   22:49:07   (  70.12,-166.06) 03/12/2018   22:49:44  (  70.11,-166.12)    2.56                37
 03/12/2018   23:39:49   ( -70.04,   1.39) 03/12/2018   23:39:13  ( -70.05,   1.43)    2.37                36
 03/15/2018   14:15:27   ( -70.73, 141.44) 03/15/2018   14:16:37  ( -70.62, 142.85)   53.67                70
 03/15/2018   15:06:01   (  70.09, -50.24) 03/15/2018   15:06:12  (  70.07, -50.30)    2.72                11
 03/15/2018   15:56:43   ( -70.00, 117.21) 03/15/2018   15:55:41  ( -70.02, 117.26)    2.59                62
 03/18/2018   06:32:11   ( -70.17,-101.91) 03/18/2018   06:33:12  ( -70.19,-101.88)    2.67                61
 03/18/2018   07:22:55   (  70.05,  65.58) 03/18/2018   07:22:39  (  70.08,  65.60)    3.29                16
 03/18/2018   08:13:28   ( -69.49,-126.27) 03/18/2018   08:12:17  ( -69.54,-127.52)   48.92                71
 03/20/2018   22:49:04   ( -70.14,  13.91) 03/20/2018   22:49:39  ( -70.15,  13.93)    1.62                35
 03/20/2018   23:39:48   (  70.02,-178.60) 03/20/2018   23:39:06  (  70.04,-178.58)    1.62                42
 03/23/2018   14:15:22   (  70.51, -38.22) 03/23/2018   14:16:33  (  70.42, -37.42)   31.47                71
 03/23/2018   15:05:58   ( -70.10, 129.74) 03/23/2018   15:06:07  ( -70.10, 129.75)    0.42                 9
 03/23/2018   15:56:42   (  69.99, -62.79) 03/23/2018   15:55:34  (  69.98, -62.77)    1.01                68