Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 12 22.  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)
 12/23/2021   07:22:25   (  70.08,  65.60) 12/23/2021   07:23:26  (  70.05,  65.58)    2.96                61
 12/23/2021   08:13:06   ( -69.94,-126.88) 12/23/2021   08:12:56  ( -69.94,-126.94)    2.39                10
 12/23/2021   09:03:41   (  69.34,  41.31) 12/23/2021   09:02:31  (  69.39,  39.96)   53.13                70
 12/25/2021   23:39:17   (  70.05,-178.58) 12/25/2021   23:39:54  (  70.05,-178.54)    1.74                37
 12/26/2021   00:29:58   ( -69.92, -11.06) 12/26/2021   00:29:24  ( -69.94, -11.06)    2.12                34
 12/28/2021   15:05:36   ( -70.78, 128.74) 12/28/2021   15:06:44  ( -70.69, 130.64)   70.29                68
 12/28/2021   15:56:07   (  69.98, -62.69) 12/28/2021   15:56:22  (  69.98, -62.75)    2.47                15
 12/28/2021   16:46:49   ( -69.90, 104.76) 12/28/2021   16:45:52  ( -69.87, 104.73)    2.83                57
 12/31/2021   07:22:15   ( -70.08,-114.36) 12/31/2021   07:23:23  ( -70.07,-114.39)    1.55                68
 12/31/2021   08:12:59   (  69.97,  53.12) 12/31/2021   08:12:50  (  69.96,  53.10)    1.23                 9
 12/31/2021   09:03:36   ( -69.61,-139.04) 12/31/2021   09:02:24  ( -69.63,-139.71)   26.32                72
 01/02/2022   23:39:07   ( -70.07,   1.45) 01/02/2022   23:39:51  ( -70.04,   1.46)    3.02                44
 01/03/2022   00:29:51   (  69.95, 168.93) 01/03/2022   00:29:18  (  69.92, 168.94)    3.35                33