Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 1 30.  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)
 02/01/2024   07:59:45   ( -69.95,-123.83) 02/01/2024   08:00:20  ( -69.94,-123.88)    2.40                35
 02/01/2024   08:50:29   (  69.83,  43.66) 02/01/2024   08:49:47  (  69.84,  43.62)    1.84                42
 02/03/2024   23:26:04   (  70.51,-176.23) 02/03/2024   23:27:14  (  70.39,-175.00)   47.81                70
 02/04/2024   00:16:36   ( -69.96,  -8.05) 02/04/2024   00:16:49  ( -69.96,  -7.99)    2.21                13
 02/04/2024   01:07:20   (  69.84, 159.44) 02/04/2024   01:06:16  (  69.85, 159.51)    2.78                64
 02/06/2024   15:42:45   (  70.00, -59.64) 02/06/2024   15:43:50  (  69.99, -59.70)    2.79                65
 02/06/2024   16:33:27   ( -69.92, 107.80) 02/06/2024   16:33:19  ( -69.94, 107.86)    3.15                 8
 02/06/2024   17:24:04   (  69.43, -84.17) 02/06/2024   17:22:53  (  69.44, -85.17)   39.24                71
 02/09/2024   07:59:36   (  69.97,  56.19) 02/09/2024   08:00:19  (  69.99,  56.18)    1.55                43
 02/09/2024   08:50:18   ( -69.89,-136.36) 02/09/2024   08:49:49  ( -69.88,-136.34)    1.04                29
 02/11/2024   23:26:00   ( -70.96,   3.10) 02/11/2024   23:27:06  ( -70.89,   5.74)   96.12                66
 02/12/2024   00:16:27   (  69.96, 172.00) 02/12/2024   00:16:48  (  69.95, 172.01)    0.44                21
 02/12/2024   01:07:09   ( -69.87, -20.54) 02/12/2024   01:06:18  ( -69.85, -20.50)    2.25                51