Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 2 20.  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)
 02/21/2024   07:34:23   (  70.24,  62.12) 02/21/2024   07:35:34  (  70.15,  62.62)   21.26                71
 02/21/2024   08:25:00   ( -69.89,-130.03) 02/21/2024   08:25:06  ( -69.92,-130.08)    3.25                 6
 02/21/2024   09:15:45   (  69.81,  37.39) 02/21/2024   09:14:33  (  69.82,  37.43)    1.77                72
 02/23/2024   23:51:18   (  69.98, 178.27) 02/23/2024   23:52:02  (  69.96, 178.25)    2.01                44
 02/24/2024   00:42:00   ( -69.89, -14.28) 02/24/2024   00:41:31  ( -69.90, -14.21)    2.68                29
 02/26/2024   15:17:42   ( -70.53, 125.85) 02/26/2024   15:18:52  ( -70.45, 127.20)   50.78                70
 02/26/2024   16:08:17   (  69.94, -65.91) 02/26/2024   16:08:26  (  69.96, -65.86)    2.98                 9
 02/26/2024   16:58:59   ( -69.85, 101.54) 02/26/2024   16:57:56  ( -69.84, 101.61)    2.84                63
 02/29/2024   07:34:30   ( -69.97,-117.52) 02/29/2024   07:35:23  ( -69.97,-117.58)    2.33                53
 02/29/2024   08:25:14   (  69.86,  49.97) 02/29/2024   08:24:50  (  69.87,  49.91)    2.27                24
 02/29/2024   09:15:41   ( -68.97,-141.44) 02/29/2024   09:14:33  ( -69.03,-143.56)   84.88                68
 03/02/2024   23:00:59   (  70.68,-170.19) 03/02/2024   23:02:07  (  70.57,-168.45)   65.55                68
 03/02/2024   23:51:29   ( -69.95,  -1.73) 03/02/2024   23:51:46  ( -69.96,  -1.69)    1.69                17
 03/03/2024   00:42:13   (  69.84, 165.75) 03/03/2024   00:41:13  (  69.85, 165.79)    2.04                60