Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 10 21.  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)
 10/22/2021   22:49:24   ( -70.21,  13.63) 10/22/2021   22:50:35  ( -70.17,  13.99)   14.33                71
 10/22/2021   23:40:05   (  69.95,-178.65) 10/22/2021   23:40:04  (  69.96,-178.67)    1.51                 1
 10/23/2021   00:30:47   ( -69.85, -11.19) 10/23/2021   00:29:34  ( -69.84, -11.19)    1.33                73
 10/25/2021   15:06:14   ( -70.01, 129.72) 10/25/2021   15:07:07  ( -70.01, 129.64)    2.91                53
 10/25/2021   15:56:58   (  69.91, -62.81) 10/25/2021   15:56:34  (  69.91, -62.86)    1.80                24
 10/25/2021   16:47:25   ( -69.01, 105.79) 10/25/2021   16:46:17  ( -69.08, 103.67)   84.80                68
 10/28/2021   07:23:08   ( -70.02,-114.52) 10/28/2021   07:23:36  ( -70.01,-114.47)    2.39                28
 10/28/2021   08:13:52   (  69.92,  52.95) 10/28/2021   08:13:03  (  69.90,  53.02)    3.40                49
 10/30/2021   22:49:21   (  70.25,-166.40) 10/30/2021   22:50:33  (  70.17,-166.00)   17.54                72
 10/30/2021   23:39:59   ( -69.93,   1.39) 10/30/2021   23:40:05  ( -69.95,   1.32)    3.24                 6
 10/31/2021   00:30:43   (  69.83, 168.86) 10/31/2021   00:29:32  (  69.84, 168.81)    1.81                71
 11/02/2021   15:06:11   (  70.06, -50.33) 11/02/2021   15:07:04  (  70.04, -50.30)    2.07                53
 11/02/2021   15:56:53   ( -69.95, 117.14) 11/02/2021   15:56:34  ( -69.94, 117.19)    2.23                19
 11/02/2021   16:47:22   (  69.05, -74.25) 11/02/2021   16:46:14  (  69.11, -76.29)   81.10                68