Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 5 2.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-21) NOAA-21 Lat/Lon Date Time(LANDSAT-9) LANDSAT-9 Lat/Lon    Distance(km)  Time Diff(sec)
 05/03/2024   06:44:26   (  70.13,  74.87) 05/03/2024   06:45:37  (  70.10,  74.87)    3.86                71
 05/03/2024   07:35:07   ( -69.99,-117.60) 05/03/2024   07:35:07  ( -69.98,-117.65)    2.22                 0
 05/03/2024   08:25:48   (  69.72,  50.12) 05/03/2024   08:24:36  (  69.77,  49.69)   17.45                72
 05/05/2024   23:01:18   (  70.06,-169.24) 05/05/2024   23:02:05  (  70.05,-169.32)    3.15                47
 05/05/2024   23:52:00   ( -69.97,  -1.78) 05/05/2024   23:51:34  ( -69.99,  -1.76)    2.81                26
 05/08/2024   14:27:44   ( -71.05, 137.64) 05/08/2024   14:28:50  ( -70.95, 140.26)   95.59                66
 05/08/2024   15:18:11   (  70.05, -53.44) 05/08/2024   15:18:31  (  70.08, -53.39)    3.30                20
 05/08/2024   16:08:53   ( -69.96, 114.01) 05/08/2024   16:08:01  ( -69.97, 114.09)    3.06                52
 05/11/2024   06:44:19   ( -70.11,-105.06) 05/11/2024   06:45:31  ( -70.13,-105.07)    2.52                72
 05/11/2024   07:35:03   (  70.00,  62.42) 05/11/2024   07:34:58  (  70.02,  62.41)    1.61                 5
 05/11/2024   08:25:42   ( -69.80,-129.96) 05/11/2024   08:24:28  ( -69.86,-130.18)   10.30                74
 05/13/2024   23:01:11   ( -70.12,  10.71) 05/13/2024   23:01:56  ( -70.10,  10.77)    3.30                45
 05/13/2024   23:51:54   (  69.96, 178.27) 05/13/2024   23:51:23  (  69.98, 178.25)    2.00                31