Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 12 24.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-21) NOAA-21 Lat/Lon Date Time(LANDSAT-8) LANDSAT-8 Lat/Lon    Distance(km)  Time Diff(sec)
 12/25/2024   05:30:38   ( -70.65, -86.95) 12/25/2024   05:31:48  ( -70.55, -85.88)   41.15                70
 12/25/2024   06:21:14   (  70.14,  81.16) 12/25/2024   06:21:21  (  70.12,  81.14)    1.70                 7
 12/25/2024   07:11:56   ( -70.03,-111.36) 12/25/2024   07:10:51  ( -70.01,-111.39)    2.37                65
 12/27/2024   21:47:21   ( -70.23,  29.49) 12/27/2024   21:48:22  ( -70.25,  29.56)    3.29                61
 12/27/2024   22:38:04   (  70.09,-162.98) 12/27/2024   22:37:50  (  70.09,-163.03)    1.84                14
 12/27/2024   23:28:38   ( -69.56,   5.13) 12/27/2024   23:27:27  ( -69.60,   3.92)   46.92                71
 12/30/2024   14:04:11   ( -70.20, 145.33) 12/30/2024   14:04:51  ( -70.17, 145.33)    2.92                40
 12/30/2024   14:54:54   (  70.05, -47.14) 12/30/2024   14:54:18  (  70.06, -47.18)    1.75                36
 01/02/2025   05:30:29   (  70.86,  92.73) 01/02/2025   05:31:38  (  70.75,  94.45)   63.80                69
 01/02/2025   06:21:00   ( -70.18, -98.85) 01/02/2025   06:21:17  ( -70.15, -98.80)    3.15                17
 01/02/2025   07:11:43   (  70.03,  68.68) 01/02/2025   07:10:44  (  70.04,  68.68)    0.97                59
 01/04/2025   21:47:07   (  70.22,-150.45) 01/04/2025   21:48:13  (  70.25,-150.41)    3.15                66
 01/04/2025   22:37:49   ( -70.12,  17.03) 01/04/2025   22:37:44  ( -70.09,  16.99)    3.38                 5
 01/04/2025   23:28:27   (  69.71,-175.05) 01/04/2025   23:27:15  (  69.75,-175.83)   30.54                72