Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 3 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)
 03/30/2024   22:36:07   (  70.61,-163.83) 03/30/2024   22:37:17  (  70.50,-162.48)   51.34                70
 03/30/2024   23:26:38   ( -69.99,   4.46) 03/30/2024   23:26:53  ( -70.01,   4.43)    2.40                15
 03/31/2024   00:17:22   (  69.88, 171.94) 03/31/2024   00:16:20  (  69.90, 171.93)    3.02                62
 04/02/2024   14:52:52   (  70.05, -47.18) 04/02/2024   14:53:53  (  70.07, -47.24)    3.01                61
 04/02/2024   15:43:34   ( -69.95, 120.29) 04/02/2024   15:43:23  ( -69.96, 120.24)    2.20                11
 04/02/2024   16:34:08   (  69.31, -71.47) 04/02/2024   16:32:59  (  69.36, -72.94)   57.93                69
 04/05/2024   07:09:48   (  70.03,  68.62) 04/05/2024   07:10:22  (  70.03,  68.58)    1.46                34
 04/05/2024   08:00:30   ( -69.93,-123.91) 04/05/2024   07:59:52  ( -69.92,-123.94)    1.26                38
 04/07/2024   22:36:07   ( -70.50,  16.36) 04/07/2024   22:37:18  ( -70.39,  17.33)   38.20                71
 04/07/2024   23:26:43   (  69.98,-175.53) 04/07/2024   23:26:50  (  70.00,-175.58)    3.14                 7
 04/08/2024   00:17:25   ( -69.87,  -8.05) 04/08/2024   00:16:20  ( -69.90,  -8.10)    3.24                65
 04/10/2024   14:52:55   ( -70.09, 132.77) 04/10/2024   14:53:50  ( -70.09, 132.79)    1.01                55
 04/10/2024   15:43:38   (  69.99, -59.77) 04/10/2024   15:43:16  (  69.98, -59.73)    2.31                22