Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 12 25.  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)
 12/25/2021   23:39:16   (  70.01,-178.52) 12/25/2021   23:39:54  (  70.04,-178.56)    3.27                38
 12/26/2021   00:29:58   ( -69.93, -11.08) 12/26/2021   00:29:24  ( -69.92, -11.08)    1.12                34
 12/28/2021   15:05:37   ( -70.79, 128.72) 12/28/2021   15:06:45  ( -70.67, 130.61)   70.63                68
 12/28/2021   15:56:08   (  69.99, -62.70) 12/28/2021   15:56:22  (  70.02, -62.69)    3.54                14
 12/28/2021   16:46:50   ( -69.91, 104.74) 12/28/2021   16:45:52  ( -69.91, 104.79)    1.71                58
 12/31/2021   07:22:15   ( -70.09,-114.38) 12/31/2021   07:23:22  ( -70.11,-114.33)    2.28                67
 12/31/2021   08:12:59   (  69.97,  53.11) 12/31/2021   08:12:49  (  70.00,  53.16)    3.16                10
 12/31/2021   09:03:35   ( -69.57,-138.98) 12/31/2021   09:02:23  ( -69.67,-139.66)   28.64                72
 01/02/2022   23:39:07   ( -70.08,   1.43) 01/02/2022   23:39:50  ( -70.07,   1.51)    2.88                43
 01/03/2022   00:29:50   (  69.91, 168.99) 01/03/2022   00:29:18  (  69.91, 168.92)    2.93                32
 01/05/2022   15:05:30   (  70.84, -51.32) 01/05/2022   15:06:37  (  70.74, -49.26)   75.97                67
 01/05/2022   15:55:58   ( -70.01, 117.31) 01/05/2022   15:56:18  ( -70.03, 117.33)    2.17                20
 01/05/2022   16:46:42   (  69.90, -75.21) 01/05/2022   16:45:45  (  69.92, -75.18)    2.13                57