Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 2 11.  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)
 02/11/2021   15:06:08   ( -70.09, 129.71) 02/11/2021   15:06:45  ( -70.07, 129.72)    1.39                37
 02/11/2021   15:56:52   (  69.97, -62.80) 02/11/2021   15:56:12  (  69.98, -62.78)    1.10                40
 02/14/2021   06:32:28   (  70.55,  77.45) 02/14/2021   06:33:38  (  70.49,  78.56)   41.64                70
 02/14/2021   07:23:02   ( -70.03,-114.43) 02/14/2021   07:23:14  ( -70.04,-114.45)    1.46                12
 02/14/2021   08:13:46   (  69.92,  53.05) 02/14/2021   08:12:41  (  69.94,  53.05)    2.26                65
 02/16/2021   22:49:15   (  70.13,-166.11) 02/16/2021   22:50:13  (  70.12,-166.10)    1.50                58
 02/16/2021   23:39:57   ( -70.03,   1.35) 02/16/2021   23:39:43  ( -70.00,   1.37)    3.19                14
 02/17/2021   00:30:29   (  69.28, 169.76) 02/17/2021   00:29:20  (  69.35, 168.12)   64.54                69
 02/19/2021   15:06:09   (  70.08, -50.26) 02/19/2021   15:06:42  (  70.07, -50.29)    1.44                33
 02/19/2021   15:56:51   ( -69.98, 117.21) 02/19/2021   15:56:12  ( -69.96, 117.19)    2.15                39
 02/22/2021   06:32:26   ( -70.55,-102.54) 02/22/2021   06:33:37  ( -70.46,-101.49)   40.45                71
 02/22/2021   07:23:02   (  70.03,  65.58) 02/22/2021   07:23:10  (  70.02,  65.52)    2.85                 8
 02/22/2021   08:13:44   ( -69.93,-126.94) 02/22/2021   08:12:40  ( -69.91,-126.99)    2.70                64
 02/24/2021   22:49:13   ( -70.14,  13.89) 02/24/2021   22:50:11  ( -70.13,  13.92)    1.36                58
 02/24/2021   23:39:57   (  70.04,-178.65) 02/24/2021   23:39:38  (  70.02,-178.60)    3.18                19