Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 11 8.  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   13:39:10   ( -70.28, 151.60) 11/08/2024   13:40:10  ( -70.28, 151.67)    2.90                60
 11/08/2024   14:29:54   (  70.15, -40.89) 11/08/2024   14:29:38  (  70.12, -40.91)    2.94                16
 11/08/2024   15:20:26   ( -69.53, 127.34) 11/08/2024   15:19:16  ( -69.57, 125.96)   53.97                70
 11/11/2024   05:05:47   (  71.15,  98.59) 11/11/2024   05:06:53  (  71.08, 101.14)   92.26                66
 11/11/2024   05:56:13   ( -70.22, -92.58) 11/11/2024   05:56:37  ( -70.20, -92.55)    2.56                24
 11/11/2024   06:46:57   (  70.09,  74.92) 11/11/2024   06:46:04  (  70.09,  74.94)    0.78                53
 11/13/2024   21:22:34   (  70.23,-144.19) 11/13/2024   21:23:33  (  70.24,-144.22)    1.81                59
 11/13/2024   22:13:16   ( -70.13,  23.28) 11/13/2024   22:13:03  ( -70.13,  23.25)    1.06                13
 11/13/2024   23:03:49   (  69.42,-168.37) 11/13/2024   23:02:40  (  69.47,-170.02)   64.52                69
 11/16/2024   12:49:10   ( -71.18, 162.68) 11/16/2024   12:50:16  ( -71.06, 165.27)   94.36                66
 11/16/2024   13:39:37   (  70.18, -28.39) 11/16/2024   13:39:57  (  70.18, -28.40)    0.60                20
 11/16/2024   14:30:19   ( -70.07, 139.09) 11/16/2024   14:29:27  ( -70.07, 139.08)    0.67                52
 11/19/2024   05:05:56   ( -70.27, -80.10) 11/19/2024   05:06:52  ( -70.25, -80.03)    3.12                56
 11/19/2024   05:56:39   (  70.11,  87.45) 11/19/2024   05:56:19  (  70.13,  87.45)    3.19                20
 11/19/2024   06:47:09   ( -69.36,-104.13) 11/19/2024   06:46:00  ( -69.42,-105.90)   69.57                69
 11/21/2024   20:32:25   (  70.86,-132.64) 11/21/2024   20:33:33  (  70.77,-130.97)   61.74                68
 11/21/2024   21:22:56   ( -70.16,  35.79) 11/21/2024   21:23:12  ( -70.17,  35.77)    0.60                16
 11/21/2024   22:13:40   (  70.06,-156.75) 11/21/2024   22:12:39  (  70.04,-156.76)    2.19                61