Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 7 31.  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)
 08/01/2021   06:32:48   ( -70.07,-101.95) 08/01/2021   06:33:45  ( -70.09,-101.96)    1.83                57
 08/01/2021   07:23:32   (  69.95,  65.54) 08/01/2021   07:23:12  (  69.98,  65.54)    3.56                20
 08/01/2021   08:14:02   ( -69.23,-126.10) 08/01/2021   08:12:53  ( -69.27,-127.80)   67.22                69
 08/03/2021   22:49:43   ( -70.07,  13.82) 08/03/2021   22:50:16  ( -70.05,  13.87)    2.44                33
 08/03/2021   23:40:27   (  69.95,-178.69) 08/03/2021   23:39:43  (  69.94,-178.64)    2.02                44
 08/06/2021   14:16:02   (  70.47, -38.35) 08/06/2021   14:17:13  (  70.33, -37.49)   35.95                71
 08/06/2021   15:06:37   ( -70.01, 129.68) 08/06/2021   15:06:47  ( -70.01, 129.69)    0.38                10
 08/06/2021   15:57:21   (  69.90, -62.84) 08/06/2021   15:56:14  (  69.90, -62.83)    0.45                67
 08/09/2021   06:32:48   (  70.05,  78.07) 08/09/2021   06:33:47  (  70.06,  78.00)    2.84                59
 08/09/2021   07:23:30   ( -69.96,-114.47) 08/09/2021   07:23:17  ( -69.96,-114.50)    1.34                13
 08/09/2021   08:14:03   (  69.26,  53.86) 08/09/2021   08:12:54  (  69.29,  52.23)   63.97                69
 08/11/2021   22:49:43   (  70.05,-166.16) 08/11/2021   22:50:17  (  70.06,-166.11)    2.10                34
 08/11/2021   23:40:24   ( -69.90,   1.38) 08/11/2021   23:39:48  ( -69.91,   1.31)    2.87                36