Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 1 18.  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)
 01/18/2021   15:06:10   (  70.07, -50.30) 01/18/2021   15:06:47  (  70.08, -50.25)    1.94                37
 01/18/2021   15:56:51   ( -69.94, 117.23) 01/18/2021   15:56:17  ( -69.96, 117.22)    2.37                34
 01/21/2021   06:32:31   ( -70.70,-102.82) 01/21/2021   06:33:40  ( -70.59,-101.26)   58.84                69
 01/21/2021   07:23:04   (  70.01,  65.58) 01/21/2021   07:23:16  (  69.99,  65.52)    2.75                12
 01/21/2021   08:13:46   ( -69.92,-126.97) 01/21/2021   08:12:45  ( -69.93,-126.93)    2.35                61
 01/23/2021   22:49:14   ( -70.11,  13.89) 01/23/2021   22:50:15  ( -70.12,  13.94)    2.53                61
 01/23/2021   23:39:58   (  69.99,-178.62) 01/23/2021   23:39:42  (  70.02,-178.57)    3.47                16
 01/24/2021   00:30:31   ( -69.42, -10.47) 01/24/2021   00:29:20  ( -69.46, -11.69)   47.82                71
 01/26/2021   15:06:08   ( -70.04, 129.77) 01/26/2021   15:06:44  ( -70.03, 129.70)    2.89                36
 01/26/2021   15:56:52   (  69.93, -62.75) 01/26/2021   15:56:11  (  69.92, -62.81)    2.34                41
 01/29/2021   06:32:27   (  70.44,  77.60) 01/29/2021   06:33:38  (  70.32,  78.36)   31.11                71
 01/29/2021   07:23:03   ( -70.02,-114.43) 01/29/2021   07:23:11  ( -70.05,-114.40)    3.15                 8
 01/29/2021   08:13:47   (  69.91,  53.04) 01/29/2021   08:12:38  (  69.94,  53.09)    3.07                69
 01/31/2021   22:49:16   (  70.11,-166.11) 01/31/2021   22:50:09  (  70.11,-166.06)    2.10                53
 01/31/2021   23:39:58   ( -70.01,   1.36) 01/31/2021   23:39:39  ( -70.00,   1.43)    2.62                19
 02/01/2021   00:30:27   (  69.11, 169.98) 02/01/2021   00:29:19  (  69.17, 167.94)   80.91                68