Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 3 26.  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)
 03/26/2021   06:32:19   ( -70.22,-101.89) 03/26/2021   06:33:27  ( -70.23,-101.84)    2.32                68
 03/26/2021   07:23:03   (  70.10,  65.60) 03/26/2021   07:22:55  (  70.08,  65.58)    2.69                 8
 03/26/2021   08:13:40   ( -69.75,-126.55) 03/26/2021   08:12:28  ( -69.80,-127.17)   24.48                72
 03/28/2021   22:49:15   ( -70.18,  13.93) 03/28/2021   22:49:57  ( -70.15,  13.92)    2.91                42
 03/28/2021   23:39:59   (  70.06,-178.58) 03/28/2021   23:39:24  (  70.05,-178.59)    1.41                35
 03/31/2021   14:15:39   (  70.76, -38.54) 03/31/2021   14:16:48  (  70.67, -37.08)   54.39                69
 03/31/2021   15:06:11   ( -70.14, 129.76) 03/31/2021   15:06:26  ( -70.12, 129.75)    1.84                15
 03/31/2021   15:56:55   (  70.02, -62.76) 03/31/2021   15:55:53  (  70.01, -62.76)    1.02                62
 04/03/2021   06:32:24   (  70.19,  78.12) 04/03/2021   06:33:24  (  70.19,  78.09)    1.14                60
 04/03/2021   07:23:06   ( -70.10,-114.42) 04/03/2021   07:22:54  ( -70.08,-114.42)    1.70                12
 04/03/2021   08:13:39   (  69.40,  53.92) 04/03/2021   08:12:30  (  69.47,  52.38)   60.56                69
 04/05/2021   22:49:20   (  70.16,-166.07) 04/05/2021   22:49:53  (  70.14,-166.10)    2.22                33
 04/05/2021   23:40:02   ( -70.06,   1.39) 04/05/2021   23:39:23  ( -70.04,   1.39)    2.48                39
 04/08/2021   14:15:39   ( -70.60, 141.68) 04/08/2021   14:16:50  ( -70.48, 142.63)   37.68                71
 04/08/2021   15:06:16   (  70.13, -50.26) 04/08/2021   15:06:21  (  70.14, -50.22)    2.59                 5
 04/08/2021   15:56:58   ( -70.03, 117.20) 04/08/2021   15:55:51  ( -70.05, 117.28)    3.43                67