Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 2 6.  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)
 02/06/2021   06:32:30   ( -70.69,-102.79) 02/06/2021   06:33:39  ( -70.60,-101.27)   56.80                69
 02/06/2021   07:23:04   (  70.05,  65.53) 02/06/2021   07:23:14  (  70.07,  65.60)    3.43                10
 02/06/2021   08:13:45   ( -69.91,-126.94) 02/06/2021   08:12:45  ( -69.90,-127.01)    3.15                60
 02/08/2021   22:49:14   ( -70.11,  13.91) 02/08/2021   22:50:17  ( -70.09,  13.86)    2.85                63
 02/08/2021   23:39:58   (  69.99,-178.61) 02/08/2021   23:39:44  (  69.99,-178.64)    1.35                14
 02/09/2021   00:30:31   ( -69.43, -10.45) 02/09/2021   00:29:21  ( -69.49, -11.69)   48.82                70
 02/11/2021   15:06:08   ( -70.05, 129.77) 02/11/2021   15:06:46  ( -70.06, 129.70)    2.99                38
 02/11/2021   15:56:52   (  69.94, -62.75) 02/11/2021   15:56:13  (  69.96, -62.80)    2.60                39
 02/14/2021   06:32:28   (  70.57,  77.42) 02/14/2021   06:33:38  (  70.47,  78.53)   43.01                70
 02/14/2021   07:23:02   ( -70.05,-114.45) 02/14/2021   07:23:14  ( -70.03,-114.47)    2.29                12
 02/14/2021   08:13:46   (  69.94,  53.02) 02/14/2021   08:12:41  (  69.92,  53.03)    2.37                65
 02/16/2021   22:49:14   (  70.10,-166.07) 02/16/2021   22:50:13  (  70.10,-166.12)    1.88                59
 02/16/2021   23:39:56   ( -70.00,   1.40) 02/16/2021   23:39:43  ( -69.99,   1.36)    1.57                13
 02/17/2021   00:30:29   (  69.31, 169.72) 02/17/2021   00:29:20  (  69.33, 168.11)   63.54                69
 02/19/2021   15:06:08   (  70.05, -50.22) 02/19/2021   15:06:42  (  70.06, -50.30)    2.94                34
 02/19/2021   15:56:50   ( -69.95, 117.25) 02/19/2021   15:56:12  ( -69.95, 117.19)    2.62                38