Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 7 28.  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)
 07/29/2021   14:16:00   ( -70.40, 141.76) 07/29/2021   14:17:12  ( -70.28, 142.44)   28.72                72
 07/29/2021   15:06:39   (  70.02, -50.34) 07/29/2021   15:06:42  (  70.01, -50.30)    1.79                 3
 07/29/2021   15:57:20   ( -69.88, 117.19) 07/29/2021   15:56:12  ( -69.90, 117.18)    2.30                68
 08/01/2021   06:32:48   ( -70.08,-101.97) 08/01/2021   06:33:45  ( -70.08,-101.97)    0.09                57
 08/01/2021   07:23:32   (  69.96,  65.52) 08/01/2021   07:23:12  (  69.97,  65.52)    0.88                20
 08/01/2021   08:14:02   ( -69.24,-126.11) 08/01/2021   08:12:53  ( -69.26,-127.81)   67.06                69
 08/03/2021   22:49:42   ( -70.02,  13.89) 08/03/2021   22:50:16  ( -70.04,  13.85)    2.27                34
 08/03/2021   23:40:26   (  69.91,-178.63) 08/03/2021   23:39:43  (  69.93,-178.66)    2.33                43
 08/06/2021   14:16:02   (  70.49, -38.38) 08/06/2021   14:17:12  (  70.37, -37.43)   37.69                70
 08/06/2021   15:06:37   ( -70.02, 129.66) 08/06/2021   15:06:47  ( -70.00, 129.67)    3.07                10
 08/06/2021   15:57:20   (  69.86, -62.78) 08/06/2021   15:56:14  (  69.88, -62.85)    3.49                66
 08/09/2021   06:32:49   (  70.07,  78.05) 08/09/2021   06:33:47  (  70.09,  78.06)    3.07                58
 08/09/2021   07:23:31   ( -69.97,-114.49) 08/09/2021   07:23:18  ( -69.94,-114.52)    3.22                13
 08/09/2021   08:14:03   (  69.22,  53.91) 08/09/2021   08:12:55  (  69.27,  52.21)   67.14                68