Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 2 21.  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)
 02/22/2018   06:32:17   (  70.18,  78.10) 02/22/2018   06:33:24  (  70.20,  78.13)    2.66                67
 02/22/2018   07:22:59   ( -70.09,-114.45) 02/22/2018   07:22:54  ( -70.08,-114.40)    2.27                 5
 02/22/2018   08:13:37   (  69.65,  53.51) 02/22/2018   08:12:26  (  69.70,  52.72)   31.22                71
 02/24/2018   22:49:11   (  70.13,-166.07) 02/24/2018   22:49:53  (  70.13,-166.08)    0.67                42
 02/24/2018   23:39:53   ( -70.05,   1.38) 02/24/2018   23:39:23  ( -70.02,   1.39)    2.98                30
 02/27/2018   14:15:34   ( -70.94, 141.10) 02/27/2018   14:16:42  ( -70.83, 143.18)   76.65                68
 02/27/2018   15:06:04   (  70.09, -50.23) 02/27/2018   15:06:20  (  70.12, -50.22)    3.09                16
 02/27/2018   15:56:46   ( -70.00, 117.22) 02/27/2018   15:55:50  ( -70.01, 117.26)    1.60                56
 03/02/2018   06:32:14   ( -70.16,-101.88) 03/02/2018   06:33:22  ( -70.16,-101.94)    2.08                68
 03/02/2018   07:22:58   (  70.05,  65.60) 03/02/2018   07:22:49  (  70.04,  65.55)    1.87                 9
 03/02/2018   08:13:35   ( -69.69,-126.55) 03/02/2018   08:12:23  ( -69.72,-127.27)   27.66                72
 03/04/2018   22:49:08   ( -70.12,  13.95) 03/04/2018   22:49:50  ( -70.14,  13.92)    2.22                42
 03/04/2018   23:39:52   (  70.01,-178.57) 03/04/2018   23:39:17  (  70.02,-178.60)    1.94                35
 03/07/2018   14:15:31   (  70.75, -38.60) 03/07/2018   14:16:40  (  70.65, -37.08)   56.89                69
 03/07/2018   15:06:03   ( -70.13, 129.70) 03/07/2018   15:06:18  ( -70.11, 129.76)    2.99                15
 03/07/2018   15:56:46   (  69.97, -62.74) 03/07/2018   15:55:45  (  69.99, -62.76)    3.14                61