Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 9 29.  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)
 10/01/2021   15:06:26   (  70.02, -50.34) 10/01/2021   15:07:01  (  69.99, -50.36)    3.50                35
 10/01/2021   15:57:08   ( -69.94, 117.12) 10/01/2021   15:56:30  ( -69.93, 117.19)    2.99                38
 10/04/2021   06:32:46   ( -70.65,-102.86) 10/04/2021   06:33:55  ( -70.59,-101.26)   59.40                69
 10/04/2021   07:23:20   (  70.02,  65.45) 10/04/2021   07:23:31  (  70.00,  65.52)    3.60                11
 10/04/2021   08:14:01   ( -69.87,-127.01) 10/04/2021   08:13:01  ( -69.88,-127.00)    1.60                60
 10/06/2021   22:49:29   ( -70.06,  13.84) 10/06/2021   22:50:35  ( -70.04,  13.82)    2.68                66
 10/06/2021   23:40:13   (  69.96,-178.69) 10/06/2021   23:40:02  (  69.94,-178.68)    2.28                11
 10/07/2021   00:30:48   ( -69.49, -10.68) 10/07/2021   00:29:37  ( -69.55, -11.58)   35.45                71
 10/09/2021   15:06:22   ( -70.01, 129.71) 10/09/2021   15:07:05  ( -70.03, 129.69)    3.21                43
 10/09/2021   15:57:06   (  69.90, -62.83) 10/09/2021   15:56:32  (  69.93, -62.82)    2.81                34
 10/12/2021   06:32:46   (  70.79,  76.92) 10/12/2021   06:33:54  (  70.67,  78.87)   72.72                68
 10/12/2021   07:23:15   ( -70.00,-114.52) 10/12/2021   07:23:34  ( -70.02,-114.45)    3.18                19
 10/12/2021   08:13:58   (  69.85,  53.02) 10/12/2021   08:13:02  (  69.86,  52.96)    2.45                56