Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 10 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)
 10/17/2021   15:06:19   (  70.02, -50.31) 10/17/2021   15:07:05  (  70.00, -50.37)    3.18                46
 10/17/2021   15:57:01   ( -69.93, 117.15) 10/17/2021   15:56:34  ( -69.94, 117.18)    1.56                27
 10/20/2021   06:32:46   ( -71.03,-103.46) 10/20/2021   06:33:52  ( -70.93,-100.74)   98.83                66
 10/20/2021   07:23:12   (  69.98,  65.53) 10/20/2021   07:23:35  (  69.96,  65.46)    3.08                23
 10/20/2021   08:13:54   ( -69.88,-127.01) 10/20/2021   08:13:04  ( -69.90,-126.99)    2.61                50
 10/22/2021   22:49:24   ( -70.20,  13.66) 10/22/2021   22:50:36  ( -70.13,  13.94)   12.72                72
 10/22/2021   23:40:06   (  69.99,-178.71) 10/22/2021   23:40:04  (  69.97,-178.64)    2.94                 2
 10/23/2021   00:30:47   ( -69.84, -11.16) 10/23/2021   00:29:34  ( -69.86, -11.16)    3.14                73
 10/25/2021   15:06:15   ( -70.05, 129.66) 10/25/2021   15:07:07  ( -70.03, 129.68)    1.97                52
 10/25/2021   15:56:59   (  69.95, -62.87) 10/25/2021   15:56:34  (  69.93, -62.83)    3.08                25
 10/25/2021   16:47:24   ( -69.00, 105.81) 10/25/2021   16:46:17  ( -69.05, 103.63)   87.12                67
 10/28/2021   07:23:07   ( -70.01,-114.50) 10/28/2021   07:23:36  ( -69.98,-114.51)    3.34                29
 10/28/2021   08:13:50   (  69.86,  53.04) 10/28/2021   08:13:03  (  69.87,  52.98)    2.55                47