Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2020 12 25.  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)
 12/25/2020   15:06:05   ( -70.06, 129.73) 12/25/2020   15:06:58  ( -70.07, 129.73)    1.88                53
 12/25/2020   15:56:50   (  69.98, -62.86) 12/25/2020   15:56:25  (  69.97, -62.78)    3.42                25
 12/25/2020   16:47:16   ( -69.06, 105.81) 12/25/2020   16:46:09  ( -69.09, 103.67)   85.00                67
 12/28/2020   07:23:00   ( -70.02,-114.45) 12/28/2020   07:23:27  ( -70.04,-114.44)    2.16                27
 12/28/2020   08:13:44   (  69.90,  53.05) 12/28/2020   08:12:55  (  69.88,  52.98)    3.55                49
 12/30/2020   22:49:14   (  70.12,-166.15) 12/30/2020   22:50:26  (  70.10,-166.10)    3.04                72
 12/30/2020   23:39:55   ( -69.99,   1.38) 12/30/2020   23:39:56  ( -70.00,   1.38)    1.50                 1
 12/31/2020   00:30:37   (  69.76, 169.02) 12/31/2020   00:29:25  (  69.78, 168.72)   11.84                72
 01/02/2021   15:06:08   (  70.04, -50.26) 01/02/2021   15:06:55  (  70.06, -50.29)    1.77                47
 01/02/2021   15:56:50   ( -69.95, 117.20) 01/02/2021   15:56:25  ( -69.95, 117.20)    0.22                25
 01/05/2021   06:32:35   ( -71.02,-103.36) 01/05/2021   06:33:41  ( -70.93,-100.74)   95.34                66
 01/05/2021   07:23:02   (  70.02,  65.55) 01/05/2021   07:23:23  (  70.00,  65.52)    2.24                21
 01/05/2021   08:13:44   ( -69.92,-126.99) 01/05/2021   08:12:53  ( -69.90,-126.99)    2.70                51
 01/07/2021   22:49:13   ( -70.10,  13.89) 01/07/2021   22:50:24  ( -70.11,  13.92)    1.60                71
 01/07/2021   23:39:57   (  69.99,-178.64) 01/07/2021   23:39:51  (  70.00,-178.60)    1.32                 6
 01/08/2021   00:30:36   ( -69.74, -10.94) 01/08/2021   00:29:23  ( -69.79, -11.26)   13.47                73