Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 4 23.  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)
 04/24/2021   14:15:39   ( -70.24, 142.19) 04/24/2021   14:16:47  ( -70.21, 142.21)    2.84                68
 04/24/2021   15:06:23   (  70.11, -50.30) 04/24/2021   15:06:14  (  70.11, -50.29)    0.72                 9
 04/24/2021   15:57:00   ( -69.77, 117.53) 04/24/2021   15:55:47  ( -69.83, 116.96)   23.29                73
 04/27/2021   06:32:34   ( -70.17,-101.93) 04/27/2021   06:33:15  ( -70.19,-101.94)    2.73                41
 04/27/2021   07:23:19   (  70.10,  65.48) 04/27/2021   07:22:42  (  70.08,  65.55)    3.00                37
 04/29/2021   21:58:57   (  70.71,-154.35) 04/29/2021   22:00:07  (  70.60,-153.10)   47.73                70
 04/29/2021   22:49:30   ( -70.15,  13.86) 04/29/2021   22:49:43  ( -70.16,  13.90)    2.14                13
 04/29/2021   23:40:14   (  70.03,-178.65) 04/29/2021   23:39:10  (  70.05,-178.62)    2.75                64
 05/02/2021   14:15:44   (  70.22, -37.81) 05/02/2021   14:16:41  (  70.23, -37.76)    2.37                57
 05/02/2021   15:06:25   ( -70.08, 129.73) 05/02/2021   15:06:12  ( -70.07, 129.65)    2.86                13
 05/02/2021   15:56:58   (  69.38, -61.93) 05/02/2021   15:55:49  (  69.41, -63.62)   65.97                69
 05/05/2021   06:32:38   (  70.16,  78.05) 05/05/2021   06:33:08  (  70.19,  78.07)    3.41                30
 05/05/2021   07:23:20   ( -70.07,-114.49) 05/05/2021   07:22:38  ( -70.09,-114.45)    3.15                42