Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2020 12 16.  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)
 12/17/2020   15:06:06   (  70.07, -50.30) 12/17/2020   15:06:59  (  70.08, -50.26)    1.76                53
 12/17/2020   15:56:47   ( -69.94, 117.22) 12/17/2020   15:56:29  ( -69.97, 117.22)    3.43                18
 12/17/2020   16:47:17   (  69.07, -74.21) 12/17/2020   16:46:10  (  69.09, -76.32)   83.78                67
 12/20/2020   07:23:00   (  70.03,  65.53) 12/20/2020   07:23:28  (  70.00,  65.51)    3.23                28
 12/20/2020   08:13:41   ( -69.89,-126.94) 12/20/2020   08:12:58  ( -69.90,-127.00)    2.41                43
 12/22/2020   22:49:16   ( -70.37,  13.47) 12/22/2020   22:50:27  ( -70.25,  14.10)   27.41                71
 12/22/2020   23:39:55   (  69.99,-178.64) 12/22/2020   23:39:57  (  69.97,-178.65)    1.81                 2
 12/23/2020   00:30:36   ( -69.85, -11.11) 12/23/2020   00:29:27  ( -69.87, -11.16)    2.98                69
 12/25/2020   15:06:06   ( -70.07, 129.71) 12/25/2020   15:06:59  ( -70.06, 129.71)    1.42                53
 12/25/2020   15:56:50   (  69.95, -62.81) 12/25/2020   15:56:26  (  69.94, -62.81)    1.33                24
 12/25/2020   16:47:17   ( -69.07, 105.79) 12/25/2020   16:46:09  ( -69.12, 103.72)   82.29                68
 12/28/2020   07:23:01   ( -70.03,-114.46) 12/28/2020   07:23:28  ( -70.02,-114.46)    1.28                27
 12/28/2020   08:13:45   (  69.92,  53.02) 12/28/2020   08:12:55  (  69.90,  53.02)    1.78                50