Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2020 12 22.  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)
 12/22/2020   22:49:16   ( -70.37,  13.47) 12/22/2020   22:50:27  ( -70.26,  14.11)   26.94                71
 12/22/2020   23:39:55   (  69.98,-178.62) 12/22/2020   23:39:57  (  69.99,-178.63)    0.85                 2
 12/23/2020   00:30:37   ( -69.90, -11.18) 12/23/2020   00:29:27  ( -69.88, -11.15)    2.83                70
 12/25/2020   15:06:06   ( -70.07, 129.71) 12/25/2020   15:06:59  ( -70.06, 129.71)    0.26                53
 12/25/2020   15:56:50   (  69.94, -62.79) 12/25/2020   15:56:26  (  69.96, -62.79)    1.36                24
 12/25/2020   16:47:17   ( -69.07, 105.79) 12/25/2020   16:46:09  ( -69.13, 103.73)   82.27                68
 12/28/2020   06:32:36   (  71.06,  76.56) 12/28/2020   06:33:42  (  70.96,  79.29)   99.38                66
 12/28/2020   07:23:00   ( -70.03,-114.46) 12/28/2020   07:23:27  ( -70.03,-114.45)    0.32                27
 12/28/2020   08:13:44   (  69.91,  53.03) 12/28/2020   08:12:54  (  69.92,  53.04)    1.12                50
 12/30/2020   22:49:14   (  70.14,-166.17) 12/30/2020   22:50:26  (  70.09,-166.11)    5.24                72
 12/30/2020   23:39:55   ( -69.99,   1.36) 12/30/2020   23:39:56  ( -69.99,   1.37)    0.48                 1
 12/31/2020   00:30:37   (  69.77, 169.01) 12/31/2020   00:29:24  (  69.82, 168.78)   10.28                73
 01/02/2021   15:06:08   (  70.05, -50.27) 01/02/2021   15:06:55  (  70.05, -50.30)    1.25                47
 01/02/2021   15:56:50   ( -69.96, 117.18) 01/02/2021   15:56:25  ( -69.95, 117.19)    1.68                25