Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2020 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)
 12/22/2020   22:49:16   ( -70.37,  13.46) 12/22/2020   22:50:27  ( -70.25,  14.10)   27.39                71
 12/22/2020   23:39:55   (  69.99,-178.63) 12/22/2020   23:39:57  (  69.98,-178.64)    0.52                 2
 12/23/2020   00:30:36   ( -69.85, -11.11) 12/23/2020   00:29:27  ( -69.87, -11.16)    3.03                69
 12/25/2020   15:06:06   ( -70.07, 129.70) 12/25/2020   15:06:59  ( -70.06, 129.71)    1.22                53
 12/25/2020   15:56:50   (  69.95, -62.80) 12/25/2020   15:56:26  (  69.95, -62.80)    0.15                24
 12/25/2020   16:47:17   ( -69.07, 105.79) 12/25/2020   16:46:09  ( -69.13, 103.72)   82.14                68
 12/28/2020   07:23:01   ( -70.03,-114.47) 12/28/2020   07:23:28  ( -70.03,-114.46)    0.98                27
 12/28/2020   08:13:45   (  69.92,  53.02) 12/28/2020   08:12:55  (  69.91,  53.03)    0.44                50
 12/30/2020   22:49:14   (  70.14,-166.18) 12/30/2020   22:50:25  (  70.14,-166.04)    5.34                71
 12/30/2020   23:39:55   ( -70.00,   1.35) 12/30/2020   23:39:56  ( -69.99,   1.37)    1.62                 1
 12/31/2020   00:30:37   (  69.78, 168.99) 12/31/2020   00:29:24  (  69.82, 168.78)    9.38                73
 01/02/2021   15:06:08   (  70.06, -50.29) 01/02/2021   15:06:55  (  70.04, -50.30)    2.55                47
 01/02/2021   15:56:50   ( -69.97, 117.17) 01/02/2021   15:56:25  ( -69.94, 117.19)    3.14                25