Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 11 22.  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)
 11/23/2021   22:49:13   ( -70.74,  12.89) 11/23/2021   22:50:22  ( -70.62,  14.66)   66.67                69
 11/23/2021   23:39:45   (  69.99,-178.63) 11/23/2021   23:39:59  (  69.97,-178.64)    2.73                14
 11/24/2021   00:30:26   ( -69.85, -11.10) 11/24/2021   00:29:29  ( -69.86, -11.16)    2.25                57
 11/26/2021   15:05:52   ( -70.05, 129.75) 11/26/2021   15:07:01  ( -70.05, 129.71)    1.86                69
 11/26/2021   15:56:36   (  69.94, -62.77) 11/26/2021   15:56:28  (  69.94, -62.80)    1.43                 8
 11/26/2021   16:47:13   ( -69.58, 105.08) 11/26/2021   16:46:01  ( -69.67, 104.46)   25.87                72
 11/29/2021   07:22:45   ( -70.05,-114.46) 11/29/2021   07:23:31  ( -70.02,-114.46)    3.35                46
 11/29/2021   08:13:28   (  69.88,  53.10) 11/29/2021   08:12:58  (  69.90,  53.02)    3.55                30
 12/01/2021   22:49:11   (  70.93,-167.41) 12/01/2021   22:50:17  (  70.84,-165.00)   88.24                66
 12/01/2021   23:39:37   ( -69.99,   1.40) 12/01/2021   23:40:01  ( -69.98,   1.36)    2.52                24
 12/02/2021   00:30:21   (  69.89, 168.88) 12/02/2021   00:29:28  (  69.86, 168.84)    3.04                53
 12/04/2021   15:05:48   (  70.09, -50.28) 12/04/2021   15:07:00  (  70.08, -50.24)    2.02                72
 12/04/2021   15:56:30   ( -70.00, 117.18) 12/04/2021   15:56:30  ( -69.99, 117.25)    3.04                 0
 12/04/2021   16:47:11   (  69.73, -75.11) 12/04/2021   16:45:59  (  69.76, -75.42)   12.18                72