Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 11 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)
 11/11/2024   05:05:48   (  71.16,  98.56) 11/11/2024   05:06:54  (  71.03, 101.08)   91.81                66
 11/11/2024   05:56:13   ( -70.18, -92.53) 11/11/2024   05:56:37  ( -70.20, -92.54)    2.30                24
 11/11/2024   06:46:58   (  70.11,  74.90) 11/11/2024   06:46:04  (  70.10,  74.96)    2.46                54
 11/13/2024   21:22:34   (  70.25,-144.23) 11/13/2024   21:23:31  (  70.23,-144.23)    3.28                57
 11/13/2024   22:13:15   ( -70.11,  23.31) 11/13/2024   22:13:01  ( -70.11,  23.23)    3.02                14
 11/13/2024   23:03:47   (  69.35,-168.26) 11/13/2024   23:02:39  (  69.39,-170.11)   72.67                68
 11/16/2024   12:49:06   ( -71.01, 162.96) 11/16/2024   12:50:14  ( -70.92, 165.08)   77.41                68
 11/16/2024   13:39:36   (  70.17, -28.37) 11/16/2024   13:39:53  (  70.15, -28.42)    2.67                17
 11/16/2024   14:30:18   ( -70.07, 139.11) 11/16/2024   14:29:22  ( -70.09, 139.13)    3.12                56
 11/19/2024   05:05:54   ( -70.22, -80.03) 11/19/2024   05:06:45  ( -70.22, -80.04)    0.62                51
 11/19/2024   05:56:38   (  70.11,  87.45) 11/19/2024   05:56:12  (  70.10,  87.43)    1.40                26
 11/19/2024   06:47:03   ( -69.10,-103.77) 11/19/2024   06:45:57  ( -69.16,-106.21)   96.93                66
 11/21/2024   20:32:18   (  70.52,-132.08) 11/21/2024   20:33:29  (  70.42,-131.45)   26.04                71
 11/21/2024   21:22:55   ( -70.14,  35.83) 11/21/2024   21:23:02  ( -70.14,  35.78)    1.70                 7
 11/21/2024   22:13:39   (  70.04,-156.71) 11/21/2024   22:12:29  (  70.02,-156.75)    2.93                70