Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 11 7.  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)
 11/08/2024   13:39:09   ( -70.24, 151.66) 11/08/2024   13:40:10  ( -70.27, 151.66)    2.91                61
 11/08/2024   14:29:54   (  70.16, -40.91) 11/08/2024   14:29:37  (  70.17, -40.84)    2.47                17
 11/08/2024   15:20:26   ( -69.55, 127.33) 11/08/2024   15:19:16  ( -69.56, 125.94)   53.77                70
 11/11/2024   05:05:48   (  71.16,  98.56) 11/11/2024   05:06:54  (  71.07, 101.13)   93.04                66
 11/11/2024   05:56:13   ( -70.18, -92.52) 11/11/2024   05:56:38  ( -70.19, -92.56)    1.97                25
 11/11/2024   06:46:58   (  70.11,  74.90) 11/11/2024   06:46:05  (  70.08,  74.93)    2.64                53
 11/13/2024   21:22:34   (  70.25,-144.22) 11/13/2024   21:23:33  (  70.24,-144.22)    0.89                59
 11/13/2024   22:13:16   ( -70.15,  23.25) 11/13/2024   22:13:03  ( -70.13,  23.25)    2.34                13
 11/13/2024   23:03:49   (  69.45,-168.40) 11/13/2024   23:02:40  (  69.47,-170.02)   63.26                69
 11/16/2024   12:49:10   ( -71.20, 162.64) 11/16/2024   12:50:16  ( -71.07, 165.29)   96.53                66
 11/16/2024   13:39:37   (  70.21, -28.43) 11/16/2024   13:39:57  (  70.19, -28.39)    2.24                20
 11/16/2024   14:30:19   ( -70.10, 139.05) 11/16/2024   14:29:27  ( -70.08, 139.09)    2.71                52
 11/19/2024   05:05:55   ( -70.25, -80.07) 11/19/2024   05:06:53  ( -70.22, -80.08)    3.48                58
 11/19/2024   05:56:39   (  70.14,  87.40) 11/19/2024   05:56:19  (  70.15,  87.47)    3.08                20