Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 3 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)
 03/10/2024   23:51:42   (  69.97, 178.20) 03/10/2024   23:52:10  (  69.99, 178.21)    2.00                28
 03/11/2024   00:42:24   ( -69.88, -14.34) 03/11/2024   00:41:40  ( -69.87, -14.31)    1.29                44
 03/13/2024   15:17:59   ( -70.21, 126.29) 03/13/2024   15:19:10  ( -70.15, 126.68)   16.24                71
 03/13/2024   16:08:40   (  69.94, -65.99) 03/13/2024   16:08:39  (  69.93, -65.98)    0.72                 1
 03/13/2024   16:59:22   ( -69.84, 101.47) 03/13/2024   16:58:09  ( -69.82, 101.50)    2.45                73
 03/16/2024   07:34:53   ( -70.02,-117.67) 03/16/2024   07:35:39  ( -70.01,-117.64)    2.09                46
 03/16/2024   08:25:37   (  69.91,  49.81) 03/16/2024   08:25:06  (  69.90,  49.85)    2.58                31
 03/18/2024   23:01:19   (  70.64,-170.19) 03/18/2024   23:02:28  (  70.55,-168.60)   59.49                69
 03/18/2024   23:51:50   ( -69.95,  -1.80) 03/18/2024   23:52:07  ( -69.95,  -1.84)    1.44                17
 03/19/2024   00:42:34   (  69.85, 165.67) 03/19/2024   00:41:34  (  69.83, 165.65)    1.82                60
 03/21/2024   15:18:05   (  70.00, -53.43) 03/21/2024   15:19:04  (  70.01, -53.49)    2.54                59
 03/21/2024   16:08:47   ( -69.90, 114.05) 03/21/2024   16:08:34  ( -69.91, 114.00)    2.67                13
 03/21/2024   16:59:20   (  69.21, -77.64) 03/21/2024   16:58:11  (  69.24, -79.26)   63.97                69