Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 12 7.  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)
 12/09/2024   05:30:50   ( -70.21, -86.31) 12/09/2024   05:31:53  ( -70.23, -86.34)    2.62                63
 12/09/2024   06:21:34   (  70.12,  81.14) 12/09/2024   06:21:20  (  70.13,  81.15)    0.67                14
 12/09/2024   07:12:08   ( -69.59,-110.75) 12/09/2024   07:10:57  ( -69.63,-111.91)   45.14                71
 12/11/2024   21:47:42   ( -70.19,  29.50) 12/11/2024   21:48:18  ( -70.20,  29.51)    1.08                36
 12/11/2024   22:38:26   (  70.10,-163.05) 12/11/2024   22:37:45  (  70.09,-163.00)    2.64                41
 12/14/2024   13:13:58   (  70.62, -22.71) 12/14/2024   13:15:08  (  70.50, -21.78)   36.81                70
 12/14/2024   14:04:34   ( -70.18, 145.29) 12/14/2024   14:04:42  ( -70.17, 145.37)    3.40                 8
 12/14/2024   14:55:17   (  70.05, -47.19) 12/14/2024   14:54:09  (  70.05, -47.15)    1.72                68
 12/17/2024   05:30:42   (  70.21,  93.72) 12/17/2024   05:31:36  (  70.19,  93.68)    2.25                54
 12/17/2024   06:21:24   ( -70.09, -98.78) 12/17/2024   06:21:06  ( -70.08, -98.84)    2.21                18
 12/17/2024   07:11:53   (  69.21,  69.81) 12/17/2024   07:10:46  (  69.25,  67.66)   84.72                67
 12/19/2024   21:47:32   (  70.19,-150.47) 12/19/2024   21:47:57  (  70.17,-150.44)    2.22                25
 12/19/2024   22:38:14   ( -70.06,  17.03) 12/19/2024   22:37:27  ( -70.06,  17.04)    0.35                47