Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 7 29.  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   ( -70.41, 141.76) 07/29/2021   14:17:12  ( -70.28, 142.43)   29.20                72
 07/29/2021   15:06:39   (  70.02, -50.34) 07/29/2021   15:06:42  (  70.01, -50.31)    2.29                 3
 07/29/2021   15:57:20   ( -69.89, 117.19) 07/29/2021   15:56:12  ( -69.90, 117.17)    1.35                68
 08/01/2021   06:32:48   ( -70.08,-101.97) 08/01/2021   06:33:45  ( -70.08,-101.98)    0.93                57
 08/01/2021   07:23:32   (  69.97,  65.52) 08/01/2021   07:23:12  (  69.97,  65.52)    0.27                20
 08/01/2021   08:14:02   ( -69.24,-126.11) 08/01/2021   08:12:53  ( -69.26,-127.82)   67.10                69
 08/03/2021   22:49:42   ( -70.03,  13.89) 08/03/2021   22:50:16  ( -70.04,  13.85)    1.88                34
 08/03/2021   23:40:26   (  69.91,-178.63) 08/03/2021   23:39:43  (  69.92,-178.67)    2.07                43
 08/06/2021   14:16:02   (  70.48, -38.37) 08/06/2021   14:17:12  (  70.36, -37.43)   37.49                70
 08/06/2021   15:06:37   ( -70.02, 129.66) 08/06/2021   15:06:47  ( -69.99, 129.66)    3.48                10
 08/06/2021   15:57:20   (  69.86, -62.78) 08/06/2021   15:56:14  (  69.88, -62.85)    3.60                66
 08/09/2021   06:32:49   (  70.06,  78.05) 08/09/2021   06:33:47  (  70.09,  78.05)    3.20                58
 08/09/2021   07:23:31   ( -69.97,-114.49) 08/09/2021   07:23:17  ( -70.00,-114.45)    3.31                14
 08/09/2021   08:14:03   (  69.22,  53.91) 08/09/2021   08:12:55  (  69.27,  52.20)   67.61                68
 08/11/2021   22:49:42   (  70.01,-166.10) 08/11/2021   22:50:17  (  70.03,-166.15)    3.06                35
 08/11/2021   23:40:24   ( -69.91,   1.36) 08/11/2021   23:39:47  ( -69.94,   1.35)    2.76                37