Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2020 12 29.  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)
 12/30/2020   22:49:14   (  70.15,-166.19) 12/30/2020   22:50:25  (  70.14,-166.06)    5.07                71
 12/30/2020   23:39:54   ( -69.96,   1.42) 12/30/2020   23:39:56  ( -69.97,   1.34)    3.21                 2
 12/31/2020   00:30:37   (  69.78, 168.99) 12/31/2020   00:29:24  (  69.81, 168.76)    9.39                73
 01/02/2021   15:06:08   (  70.06, -50.29) 01/02/2021   15:06:55  (  70.03, -50.32)    3.40                47
 01/02/2021   15:56:50   ( -69.98, 117.16) 01/02/2021   15:56:24  ( -69.98, 117.24)    2.93                26
 01/05/2021   06:32:36   ( -71.04,-103.39) 01/05/2021   06:33:42  ( -70.91,-100.79)   95.56                66
 01/05/2021   07:23:03   (  70.03,  65.53) 01/05/2021   07:23:23  (  70.03,  65.56)    1.18                20
 01/05/2021   08:13:45   ( -69.94,-127.02) 01/05/2021   08:12:53  ( -69.93,-126.95)    2.96                52
 01/07/2021   22:49:14   ( -70.12,  13.86) 01/07/2021   22:50:25  ( -70.09,  13.88)    3.45                71
 01/07/2021   23:39:58   (  70.00,-178.65) 01/07/2021   23:39:52  (  69.97,-178.64)    3.46                 6
 01/08/2021   00:30:37   ( -69.75, -10.96) 01/08/2021   00:29:23  ( -69.82, -11.23)   12.31                74
 01/10/2021   15:06:08   ( -70.09, 129.68) 01/10/2021   15:06:52  ( -70.08, 129.75)    2.69                44
 01/10/2021   15:56:52   (  69.98, -62.84) 01/10/2021   15:56:19  (  69.96, -62.77)    3.12                33