Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 1 1.  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)
 01/02/2021   15:06:09   (  70.08, -50.32) 01/02/2021   15:06:55  (  70.06, -50.28)    2.89                46
 01/02/2021   15:56:50   ( -69.95, 117.20) 01/02/2021   15:56:25  ( -69.95, 117.20)    0.21                25
 01/05/2021   06:32:35   ( -71.01,-103.35) 01/05/2021   06:33:41  ( -70.93,-100.75)   94.86                66
 01/05/2021   07:23:02   (  70.00,  65.57) 01/05/2021   07:23:23  (  70.01,  65.53)    1.87                21
 01/05/2021   08:13:44   ( -69.92,-126.98) 01/05/2021   08:12:53  ( -69.90,-126.99)    2.12                51
 01/07/2021   22:49:13   ( -70.10,  13.90) 01/07/2021   22:50:24  ( -70.11,  13.91)    2.14                71
 01/07/2021   23:39:57   (  69.98,-178.62) 01/07/2021   23:39:51  (  70.00,-178.60)    2.91                 6
 01/08/2021   00:30:36   ( -69.73, -10.93) 01/08/2021   00:29:23  ( -69.79, -11.27)   14.44                73
 01/10/2021   15:06:08   ( -70.07, 129.71) 01/10/2021   15:06:53  ( -70.05, 129.71)    2.01                45
 01/10/2021   15:56:52   (  69.95, -62.81) 01/10/2021   15:56:20  (  69.94, -62.81)    1.92                32
 01/13/2021   06:32:33   (  70.77,  77.05) 01/13/2021   06:33:41  (  70.69,  78.89)   67.97                68
 01/13/2021   07:23:03   ( -70.04,-114.48) 01/13/2021   07:23:21  ( -70.04,-114.43)    1.98                18
 01/13/2021   08:13:47   (  69.93,  53.00) 01/13/2021   08:12:48  (  69.92,  53.05)    2.47                59