Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 5 9.  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)
 05/11/2024   06:44:24   ( -70.40,-105.50) 05/11/2024   06:45:35  ( -70.32,-104.83)   26.47                71
 05/11/2024   07:35:03   (  70.02,  62.39) 05/11/2024   07:35:06  (  70.00,  62.35)    2.99                 3
 05/11/2024   08:25:45   ( -69.93,-130.16) 05/11/2024   08:24:35  ( -69.94,-130.10)    2.54                70
 05/13/2024   23:01:11   ( -70.09,  10.76) 05/13/2024   23:02:07  ( -70.09,  10.71)    2.04                56
 05/13/2024   23:51:55   (  69.98, 178.25) 05/13/2024   23:51:34  (  69.98, 178.20)    1.74                21
 05/14/2024   00:42:24   ( -69.20, -13.30) 05/14/2024   00:41:15  ( -69.26, -15.13)   72.49                69
 05/16/2024   15:18:03   ( -70.11, 126.52) 05/16/2024   15:18:33  ( -70.09, 126.59)    3.37                30
 05/16/2024   16:08:47   (  70.00, -66.00) 05/16/2024   16:08:00  (  69.98, -65.92)    3.60                47
 05/19/2024   06:44:17   (  70.38,  74.56) 05/19/2024   06:45:28  (  70.27,  75.10)   23.92                71
 05/19/2024   07:34:54   ( -70.03,-117.57) 05/19/2024   07:35:00  ( -70.05,-117.58)    2.48                 6
 05/19/2024   08:25:38   (  69.92,  49.91) 05/19/2024   08:24:27  (  69.94,  49.91)    1.85                71
 05/21/2024   23:01:04   (  70.11,-169.21) 05/21/2024   23:01:56  (  70.13,-169.21)    3.03                52
 05/21/2024   23:51:46   ( -70.01,  -1.75) 05/21/2024   23:51:26  ( -70.03,  -1.72)    2.38                20