Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 5 20.  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)
 05/21/2021   06:32:43   (  70.13,  78.05) 05/21/2021   06:33:18  (  70.15,  78.12)    3.47                35
 05/21/2021   07:23:24   ( -69.99,-114.42) 05/21/2021   07:22:49  ( -69.98,-114.49)    2.69                35
 05/23/2021   21:59:05   ( -70.77,  25.48) 05/23/2021   22:00:14  ( -70.67,  27.12)   61.09                69
 05/23/2021   22:49:38   (  70.08,-166.11) 05/23/2021   22:49:50  (  70.08,-166.11)    0.64                12
 05/23/2021   23:40:20   ( -69.99,   1.34) 05/23/2021   23:39:20  ( -69.97,   1.37)    3.06                60
 05/26/2021   14:15:48   ( -70.15, 142.24) 05/26/2021   14:16:53  ( -70.16, 142.24)    0.85                65
 05/26/2021   15:06:32   (  70.04, -50.28) 05/26/2021   15:06:20  (  70.05, -50.27)    1.69                12
 05/26/2021   15:57:07   ( -69.57, 117.73) 05/26/2021   15:55:56  ( -69.62, 116.76)   37.89                71
 05/29/2021   06:32:43   ( -70.10,-101.92) 05/29/2021   06:33:24  ( -70.13,-101.92)    3.11                41
 05/29/2021   07:23:27   (  69.99,  65.55) 05/29/2021   07:22:51  (  70.02,  65.57)    3.25                36
 05/31/2021   21:59:08   (  70.79,-154.56) 05/31/2021   22:00:16  (  70.70,-152.84)   64.07                68
 05/31/2021   22:49:38   ( -70.06,  13.91) 05/31/2021   22:49:56  ( -70.05,  13.84)    3.24                18
 05/31/2021   23:40:22   (  69.95,-178.62) 05/31/2021   23:39:23  (  69.93,-178.68)    3.05                59