Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 9 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)
 09/28/2021   22:49:32   (  70.03,-166.12) 09/28/2021   22:50:30  (  70.05,-166.15)    2.68                58
 09/28/2021   23:40:14   ( -69.94,   1.33) 09/28/2021   23:40:00  ( -69.93,   1.32)    1.10                14
 09/29/2021   00:30:46   (  69.18, 169.74) 09/29/2021   00:29:38  (  69.23, 168.00)   68.64                68
 10/01/2021   15:06:26   (  70.02, -50.33) 10/01/2021   15:07:01  (  70.00, -50.34)    1.66                35
 10/01/2021   15:57:07   ( -69.87, 117.21) 10/01/2021   15:56:31  ( -69.89, 117.13)    3.48                36
 10/04/2021   06:32:47   ( -70.69,-102.93) 10/04/2021   06:33:56  ( -70.55,-101.32)   61.45                69
 10/04/2021   07:23:20   (  70.01,  65.46) 10/04/2021   07:23:31  (  70.01,  65.54)    2.97                11
 10/04/2021   08:14:01   ( -69.86,-127.00) 10/04/2021   08:13:02  ( -69.84,-127.06)    3.08                59
 10/06/2021   22:49:29   ( -70.05,  13.86) 10/06/2021   22:50:35  ( -70.06,  13.84)    0.56                66
 10/06/2021   23:40:13   (  69.95,-178.67) 10/06/2021   23:40:02  (  69.95,-178.66)    0.43                11
 10/07/2021   00:30:49   ( -69.53, -10.74) 10/07/2021   00:29:37  ( -69.57, -11.56)   31.81                72
 10/09/2021   15:06:22   ( -70.05, 129.64) 10/09/2021   15:07:04  ( -70.05, 129.71)    2.68                42
 10/09/2021   15:57:05   (  69.89, -62.82) 10/09/2021   15:56:32  (  69.88, -62.87)    2.42                33