Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 9 28.  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   22:49:33   (  70.06,-166.17) 09/28/2021   22:50:30  (  70.07,-166.13)    1.76                57
 09/28/2021   23:40:14   ( -69.92,   1.36) 09/28/2021   23:40:00  ( -69.95,   1.34)    3.18                14
 09/29/2021   00:30:47   (  69.22, 169.69) 09/29/2021   00:29:38  (  69.25, 168.03)   65.57                69
 10/01/2021   15:06:26   (  70.00, -50.30) 10/01/2021   15:07:01  (  70.02, -50.31)    2.82                35
 10/01/2021   15:57:08   ( -69.91, 117.16) 10/01/2021   15:56:31  ( -69.91, 117.16)    0.11                37
 10/04/2021   06:32:47   ( -70.68,-102.90) 10/04/2021   06:33:56  ( -70.56,-101.29)   60.53                69
 10/04/2021   07:23:20   (  69.99,  65.49) 10/04/2021   07:23:32  (  69.97,  65.49)    2.15                12
 10/04/2021   08:14:01   ( -69.84,-126.97) 10/04/2021   08:13:02  ( -69.86,-127.03)    2.90                59
 10/06/2021   22:49:29   ( -70.09,  13.80) 10/06/2021   22:50:34  ( -70.07,  13.87)    3.25                65
 10/06/2021   23:40:12   (  69.93,-178.65) 10/06/2021   23:40:02  (  69.91,-178.71)    3.29                10
 10/07/2021   00:30:48   ( -69.52, -10.72) 10/07/2021   00:29:36  ( -69.59, -11.53)   32.40                72
 10/09/2021   15:06:22   ( -70.03, 129.66) 10/09/2021   15:07:05  ( -70.01, 129.66)    2.32                43
 10/09/2021   15:57:06   (  69.93, -62.87) 10/09/2021   15:56:32  (  69.90, -62.85)    3.11                34