Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 12 27.  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)
 12/28/2018   15:05:55   (  70.07, -50.24) 12/28/2018   15:06:30  (  70.10, -50.22)    3.24                35
 12/28/2018   15:56:37   ( -69.98, 117.21) 12/28/2018   15:56:00  ( -69.99, 117.26)    2.07                37
 12/31/2018   06:32:17   ( -70.64,-102.68) 12/31/2018   06:33:27  ( -70.48,-101.43)   49.53                70
 12/31/2018   07:22:52   (  70.05,  65.55) 12/31/2018   07:23:00  (  70.04,  65.58)    1.69                 8
 12/31/2018   08:13:34   ( -69.96,-126.99) 12/31/2018   08:12:30  ( -69.94,-126.93)    3.16                64
 01/02/2019   22:49:04   ( -70.09,  13.94) 01/02/2019   22:50:03  ( -70.10,  13.89)    1.81                59
 01/02/2019   23:39:48   (  69.98,-178.58) 01/02/2019   23:39:30  (  69.98,-178.62)    1.37                18
 01/03/2019   00:30:19   ( -69.30, -10.27) 01/03/2019   00:29:10  ( -69.33, -11.88)   63.30                69
 01/05/2019   15:06:01   ( -70.08, 129.73) 01/05/2019   15:06:32  ( -70.09, 129.77)    2.00                31
 01/05/2019   15:56:45   (  69.97, -62.80) 01/05/2019   15:55:59  (  69.98, -62.75)    2.02                46
 01/08/2019   06:32:19   (  70.33,  77.79) 01/08/2019   06:33:30  (  70.24,  78.23)   19.27                71
 01/08/2019   07:22:56   ( -70.01,-114.40) 01/08/2019   07:23:01  ( -70.03,-114.44)    2.29                 5
 01/08/2019   08:13:40   (  69.91,  53.06) 01/08/2019   08:12:28  (  69.91,  53.04)    0.81                72