Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 2 26.  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)
 02/27/2024   23:26:03   ( -70.12,   4.38) 02/27/2024   23:27:15  ( -70.10,   4.54)    6.59                72
 02/28/2024   00:16:46   (  69.94, 171.96) 02/28/2024   00:16:43  (  69.94, 171.97)    0.65                 3
 02/28/2024   01:07:27   ( -69.80, -20.51) 02/28/2024   01:06:13  ( -69.82, -20.56)    3.00                74
 03/01/2024   15:43:01   ( -70.04, 120.26) 03/01/2024   15:43:43  ( -70.02, 120.32)    3.23                42
 03/01/2024   16:33:45   (  69.92, -72.25) 03/01/2024   16:33:10  (  69.92, -72.18)    2.80                35
 03/04/2024   07:09:25   (  70.49,  68.00) 03/04/2024   07:10:35  (  70.35,  69.05)   42.09                70
 03/04/2024   07:59:59   ( -69.97,-123.88) 03/04/2024   08:00:10  ( -69.96,-123.87)    1.02                11
 03/04/2024   08:50:43   (  69.85,  43.60) 03/04/2024   08:49:37  (  69.86,  43.63)    1.07                66
 03/06/2024   23:26:15   (  70.01,-175.50) 03/06/2024   23:27:06  (  70.04,-175.50)    3.07                51
 03/07/2024   00:16:57   ( -69.92,  -8.04) 03/07/2024   00:16:36  ( -69.93,  -8.03)    1.36                21
 03/07/2024   01:07:25   (  68.95, 160.66) 03/07/2024   01:06:18  (  68.99, 158.36)   91.76                67
 03/09/2024   14:52:44   ( -70.92, 131.51) 03/09/2024   14:53:51  ( -70.79, 133.84)   86.34                67
 03/09/2024   15:43:12   (  69.97, -59.68) 03/09/2024   15:43:31  (  69.97, -59.71)    1.40                19
 03/09/2024   16:33:54   ( -69.87, 107.79) 03/09/2024   16:33:01  ( -69.86, 107.76)    1.84                53