Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 4 22.  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   14:15:38   ( -70.19, 142.27) 04/24/2021   14:16:47  ( -70.21, 142.21)    3.40                69
 04/24/2021   15:06:23   (  70.12, -50.31) 04/24/2021   15:06:14  (  70.11, -50.30)    1.46                 9
 04/24/2021   15:57:00   ( -69.77, 117.53) 04/24/2021   15:55:47  ( -69.83, 116.95)   23.13                73
 04/27/2021   06:32:34   ( -70.17,-101.94) 04/27/2021   06:33:15  ( -70.19,-101.95)    1.93                41
 04/27/2021   07:23:18   (  70.05,  65.56) 04/27/2021   07:22:42  (  70.08,  65.54)    3.24                36
 04/29/2021   21:58:57   (  70.72,-154.36) 04/29/2021   22:00:07  (  70.59,-153.11)   48.09                70
 04/29/2021   22:49:30   ( -70.15,  13.85) 04/29/2021   22:49:43  ( -70.16,  13.89)    1.53                13
 04/29/2021   23:40:14   (  70.04,-178.66) 04/29/2021   23:39:10  (  70.04,-178.62)    1.67                64
 05/02/2021   14:15:44   (  70.23, -37.82) 05/02/2021   14:16:41  (  70.22, -37.77)    2.35                57
 05/02/2021   15:06:25   ( -70.09, 129.72) 05/02/2021   15:06:12  ( -70.07, 129.64)    3.57                13
 05/02/2021   15:56:57   (  69.33, -61.87) 05/02/2021   15:55:49  (  69.40, -63.63)   69.33                68
 05/05/2021   06:32:38   (  70.17,  78.03) 05/05/2021   06:33:08  (  70.18,  78.05)    1.30                30
 05/05/2021   07:23:20   ( -70.08,-114.50) 05/05/2021   07:22:38  ( -70.08,-114.46)    1.85                42