Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 10 20.  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)
 10/20/2021   06:32:46   ( -71.03,-103.46) 10/20/2021   06:33:52  ( -70.93,-100.76)   98.83                66
 10/20/2021   07:23:12   (  69.98,  65.53) 10/20/2021   07:23:35  (  69.96,  65.46)    3.24                23
 10/20/2021   08:13:54   ( -69.88,-127.01) 10/20/2021   08:13:04  ( -69.90,-127.00)    1.43                50
 10/22/2021   22:49:24   ( -70.20,  13.66) 10/22/2021   22:50:36  ( -70.13,  13.93)   13.19                72
 10/22/2021   23:40:06   (  69.99,-178.71) 10/22/2021   23:40:04  (  69.97,-178.65)    2.78                 2
 10/23/2021   00:30:47   ( -69.84, -11.17) 10/23/2021   00:29:34  ( -69.86, -11.17)    1.98                73
 10/25/2021   15:06:15   ( -70.05, 129.66) 10/25/2021   15:07:07  ( -70.02, 129.67)    2.99                52
 10/25/2021   15:56:59   (  69.95, -62.87) 10/25/2021   15:56:34  (  69.92, -62.84)    2.97                25
 10/25/2021   16:47:25   ( -69.00, 105.81) 10/25/2021   16:46:18  ( -69.04, 103.61)   87.51                67
 10/28/2021   07:23:07   ( -70.01,-114.50) 10/28/2021   07:23:35  ( -70.03,-114.45)    2.57                28
 10/28/2021   08:13:50   (  69.86,  53.04) 10/28/2021   08:13:03  (  69.86,  52.97)    3.14                47
 10/30/2021   22:49:22   (  70.29,-166.47) 10/30/2021   22:50:33  (  70.18,-165.98)   21.80                71
 10/30/2021   23:40:00   ( -69.97,   1.33) 10/30/2021   23:40:05  ( -69.97,   1.35)    0.93                 5
 10/31/2021   00:30:44   (  69.87, 168.79) 10/31/2021   00:29:32  (  69.86, 168.84)    2.55                72
 11/02/2021   15:06:11   (  70.05, -50.32) 11/02/2021   15:07:04  (  70.06, -50.28)    2.00                53
 11/02/2021   15:56:53   ( -69.94, 117.16) 11/02/2021   15:56:34  ( -69.96, 117.21)    2.67                19
 11/02/2021   16:47:22   (  69.04, -74.24) 11/02/2021   16:46:15  (  69.07, -76.34)   83.61                67