Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 12 28.  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   15:05:56   (  70.08, -50.26) 12/28/2018   15:06:31  (  70.09, -50.23)    1.30                35
 12/28/2018   15:56:38   ( -69.99, 117.20) 12/28/2018   15:56:01  ( -69.97, 117.24)    2.31                37
 12/31/2018   06:32:16   ( -70.59,-102.61) 12/31/2018   06:33:26  ( -70.52,-101.36)   46.94                70
 12/31/2018   07:22:51   (  70.01,  65.61) 12/31/2018   07:23:00  (  70.03,  65.57)    3.24                 9
 12/31/2018   08:13:33   ( -69.91,-126.93) 12/31/2018   08:12:30  ( -69.93,-126.95)    1.48                63
 01/02/2019   22:49:04   ( -70.10,  13.93) 01/02/2019   22:50:03  ( -70.09,  13.88)    2.39                59
 01/02/2019   23:39:48   (  69.99,-178.60) 01/02/2019   23:39:30  (  69.98,-178.63)    2.01                18
 01/03/2019   00:30:19   ( -69.31, -10.28) 01/03/2019   00:29:09  ( -69.38, -11.81)   60.55                70
 01/05/2019   15:06:01   ( -70.09, 129.72) 01/05/2019   15:06:32  ( -70.09, 129.76)    1.64                31
 01/05/2019   15:56:45   (  69.98, -62.81) 01/05/2019   15:55:59  (  69.98, -62.75)    2.32                46
 01/08/2019   06:32:19   (  70.34,  77.78) 01/08/2019   06:33:30  (  70.24,  78.23)   19.89                71
 01/08/2019   07:22:57   ( -70.02,-114.41) 01/08/2019   07:23:02  ( -70.03,-114.44)    1.50                 5
 01/08/2019   08:13:41   (  69.92,  53.05) 01/08/2019   08:12:29  (  69.91,  53.04)    0.42                72
 01/10/2019   22:49:11   (  70.12,-166.11) 01/10/2019   22:50:00  (  70.12,-166.06)    1.93                49
 01/10/2019   23:39:53   ( -70.01,   1.37) 01/10/2019   23:39:30  ( -70.02,   1.43)    2.67                23