Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 10 13.  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)
 10/14/2021   22:49:26   (  70.06,-166.15) 10/14/2021   22:50:35  (  70.04,-166.19)    3.21                69
 10/14/2021   23:40:08   ( -69.97,   1.31) 10/14/2021   23:40:04  ( -69.97,   1.35)    1.80                 4
 10/15/2021   00:30:47   (  69.59, 169.18) 10/15/2021   00:29:35  (  69.65, 168.56)   25.07                72
 10/17/2021   15:06:19   (  70.01, -50.30) 10/17/2021   15:07:05  (  70.00, -50.36)    2.45                46
 10/17/2021   15:57:01   ( -69.92, 117.16) 10/17/2021   15:56:34  ( -69.94, 117.19)    3.26                27
 10/20/2021   06:32:46   ( -71.01,-103.44) 10/20/2021   06:33:52  ( -70.94,-100.73)   98.36                66
 10/20/2021   07:23:13   (  70.02,  65.47) 10/20/2021   07:23:34  (  70.02,  65.54)    3.01                21
 10/20/2021   08:13:54   ( -69.87,-126.99) 10/20/2021   08:13:05  ( -69.85,-127.05)    2.94                49
 10/22/2021   22:49:24   ( -70.19,  13.68) 10/22/2021   22:50:36  ( -70.14,  13.95)   11.43                72
 10/22/2021   23:40:06   (  69.98,-178.69) 10/22/2021   23:40:04  (  69.97,-178.64)    2.12                 2
 10/23/2021   00:30:47   ( -69.82, -11.15) 10/23/2021   00:29:35  ( -69.81, -11.23)    3.61                72
 10/25/2021   15:06:14   ( -70.04, 129.68) 10/25/2021   15:07:06  ( -70.03, 129.68)    0.77                52
 10/25/2021   15:56:58   (  69.94, -62.86) 10/25/2021   15:56:33  (  69.92, -62.83)    2.30                25