Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 1 27.  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)
 01/29/2021   06:32:31   (  70.64,  77.27) 01/29/2021   06:33:40  (  70.57,  78.69)   53.25                69
 01/29/2021   07:23:03   ( -70.03,-114.44) 01/29/2021   07:23:18  ( -70.01,-114.48)    2.30                15
 01/29/2021   08:13:47   (  69.91,  53.04) 01/29/2021   08:12:45  (  69.91,  53.02)    0.67                62
 01/31/2021   22:49:16   (  70.11,-166.11) 01/31/2021   22:50:17  (  70.11,-166.09)    0.86                61
 01/31/2021   23:39:58   ( -70.02,   1.35) 01/31/2021   23:39:47  ( -70.00,   1.39)    2.23                11
 02/01/2021   00:30:31   (  69.37, 169.61) 02/01/2021   00:29:21  (  69.46, 168.28)   52.65                70
 02/03/2021   15:06:09   (  70.05, -50.25) 02/03/2021   15:06:46  (  70.04, -50.32)    2.96                37
 02/03/2021   15:56:51   ( -69.95, 117.22) 02/03/2021   15:56:16  ( -69.93, 117.16)    3.34                35
 02/06/2021   06:32:30   ( -70.68,-102.77) 02/06/2021   06:33:40  ( -70.56,-101.32)   54.75                70
 02/06/2021   07:23:04   (  70.05,  65.54) 02/06/2021   07:23:15  (  70.02,  65.53)    3.42                11
 02/06/2021   08:13:45   ( -69.89,-126.92) 02/06/2021   08:12:45  ( -69.91,-126.99)    3.19                60
 02/08/2021   22:49:14   ( -70.09,  13.93) 02/08/2021   22:50:17  ( -70.10,  13.88)    1.95                63
 02/08/2021   23:39:58   (  69.99,-178.60) 02/08/2021   23:39:44  (  69.99,-178.63)    1.13                14
 02/09/2021   00:30:32   ( -69.47, -10.51) 02/09/2021   00:29:21  ( -69.50, -11.67)   45.34                71