Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 10 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)
 10/08/2024   21:46:57   ( -70.49,  29.11) 10/08/2024   21:48:08  ( -70.39,  29.82)   28.51                71
 10/08/2024   22:37:36   (  70.09,-162.95) 10/08/2024   22:37:39  (  70.07,-163.00)    2.70                 3
 10/08/2024   23:28:18   ( -70.02,   4.47) 10/08/2024   23:27:08  ( -70.01,   4.55)    2.97                70
 10/11/2024   14:03:48   ( -70.19, 145.36) 10/11/2024   14:04:36  ( -70.20, 145.43)    2.98                48
 10/11/2024   14:54:32   (  70.05, -47.12) 10/11/2024   14:54:04  (  70.04, -47.16)    2.10                28
 10/14/2024   05:30:13   (  70.78,  92.86) 10/14/2024   05:31:22  (  70.70,  94.45)   58.89                69
 10/14/2024   06:20:44   ( -70.13, -98.78) 10/14/2024   06:21:01  ( -70.10, -98.81)    3.38                17
 10/14/2024   07:11:28   (  69.99,  68.73) 10/14/2024   07:10:28  (  69.99,  68.68)    2.31                60
 10/16/2024   21:46:58   (  70.18,-150.40) 10/16/2024   21:47:52  (  70.21,-150.37)    3.15                54
 10/16/2024   22:37:40   ( -70.10,  17.04) 10/16/2024   22:37:22  ( -70.09,  17.11)    2.70                18
 10/16/2024   23:28:10   (  69.23,-174.37) 10/16/2024   23:27:02  (  69.26,-176.39)   79.82                68
 10/19/2024   13:13:25   ( -71.10, 156.57) 10/19/2024   13:14:31  ( -71.02, 159.13)   92.75                66
 10/19/2024   14:03:53   (  70.14, -34.56) 10/19/2024   14:04:12  (  70.13, -34.55)    0.83                19
 10/19/2024   14:54:34   ( -70.00, 132.96) 10/19/2024   14:53:42  ( -70.02, 132.93)    2.37                52