Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 3 27.  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)
 03/29/2024   15:18:11   ( -70.03, 126.51) 03/29/2024   15:19:01  ( -70.04, 126.53)    1.31                50
 03/29/2024   16:08:55   (  69.92, -66.01) 03/29/2024   16:08:28  (  69.93, -65.97)    1.75                27
 03/29/2024   16:59:20   ( -68.92, 102.74) 03/29/2024   16:58:13  ( -68.99, 100.40)   93.63                67
 04/01/2024   06:44:38   (  70.78,  73.79) 04/01/2024   06:45:46  (  70.64,  75.66)   70.77                68
 04/01/2024   07:35:07   ( -69.99,-117.65) 04/01/2024   07:35:26  ( -69.98,-117.66)    1.28                19
 04/01/2024   08:25:51   (  69.88,  49.82) 04/01/2024   08:24:53  (  69.86,  49.83)    2.30                58
 04/03/2024   23:01:21   (  70.07,-169.32) 04/03/2024   23:02:19  (  70.07,-169.26)    2.49                58
 04/03/2024   23:52:03   ( -69.97,  -1.85) 04/03/2024   23:51:49  ( -69.97,  -1.78)    2.67                14
 04/04/2024   00:42:34   (  69.23, 166.54) 04/04/2024   00:41:25  (  69.29, 164.96)   62.86                69
 04/06/2024   15:18:15   (  70.01, -53.46) 04/06/2024   15:18:41  (  70.00, -53.46)    1.84                26
 04/06/2024   16:08:57   ( -69.91, 114.02) 04/06/2024   16:08:11  ( -69.89, 114.03)    1.46                46
 04/09/2024   06:44:26   ( -70.07,-105.09) 04/09/2024   06:45:36  ( -70.04,-105.13)    3.32                70
 04/09/2024   07:35:10   (  69.98,  62.37) 04/09/2024   07:35:02  (  69.97,  62.42)    1.91                 8
 04/09/2024   08:25:48   ( -69.65,-129.83) 04/09/2024   08:24:35  ( -69.71,-130.32)   19.68                73