Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2019 12 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)
 12/23/2019   15:05:52   ( -70.10, 129.75) 12/23/2019   15:06:55  ( -70.12, 129.80)    3.22                63
 12/23/2019   15:56:36   (  69.97, -62.75) 12/23/2019   15:56:23  (  69.95, -62.78)    2.36                13
 12/23/2019   16:47:10   ( -69.47, 105.31) 12/23/2019   16:45:59  ( -69.52, 104.25)   41.70                71
 12/26/2019   07:22:48   ( -70.02,-114.38) 12/26/2019   07:23:25  ( -70.03,-114.44)    2.54                37
 12/26/2019   08:13:32   (  69.90,  53.12) 12/26/2019   08:12:52  (  69.92,  53.04)    3.14                40
 12/28/2019   22:49:08   (  70.41,-166.53) 12/28/2019   22:50:19  (  70.31,-165.79)   29.94                71
 12/28/2019   23:39:44   ( -70.01,   1.42) 12/28/2019   23:39:53  ( -69.99,   1.38)    2.04                 9
 12/29/2019   00:30:28   (  69.89, 168.90) 12/29/2019   00:29:20  (  69.87, 168.87)    2.08                68
 12/31/2019   15:05:59   (  70.08, -50.25) 12/31/2019   15:06:51  (  70.10, -50.21)    2.41                52
 12/31/2019   15:56:41   ( -69.99, 117.21) 12/31/2019   15:56:21  ( -70.00, 117.28)    3.17                20
 12/31/2019   16:47:09   (  69.02, -74.08) 12/31/2019   16:46:02  (  69.11, -76.28)   87.70                67
 01/03/2020   07:22:56   (  70.07,  65.53) 01/03/2020   07:23:20  (  70.05,  65.60)    3.41                24
 01/03/2020   08:13:37   ( -69.92,-126.92) 01/03/2020   08:12:51  ( -69.90,-126.98)    3.27                46