Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 3 25.  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)
 03/25/2024   14:52:46   ( -70.09, 132.78) 03/25/2024   14:53:56  ( -70.09, 132.80)    0.91                70
 03/25/2024   15:43:30   (  69.98, -59.74) 03/25/2024   15:43:23  (  69.99, -59.70)    2.48                 7
 03/25/2024   16:34:08   ( -69.67, 108.03) 03/25/2024   16:32:55  ( -69.76, 107.61)   19.13                73
 03/28/2024   07:09:42   ( -70.06,-111.41) 03/28/2024   07:10:20  ( -70.07,-111.34)    3.04                38
 03/28/2024   08:00:25   (  69.90,  56.15) 03/28/2024   07:59:48  (  69.91,  56.08)    2.78                37
 03/30/2024   22:36:00   (  70.38,-163.45) 03/30/2024   22:37:11  (  70.26,-162.80)   27.98                71
 03/30/2024   23:26:36   ( -69.96,   4.51) 03/30/2024   23:26:44  ( -69.98,   4.44)    3.49                 8
 03/31/2024   00:17:20   (  69.86, 171.98) 03/31/2024   00:16:11  (  69.87, 171.93)    2.27                69
 04/02/2024   14:52:49   (  70.06, -47.18) 04/02/2024   14:53:36  (  70.04, -47.21)    2.73                47
 04/02/2024   15:43:31   ( -69.96, 120.30) 04/02/2024   15:43:06  ( -69.93, 120.27)    3.36                25
 04/05/2024   06:19:10   ( -70.77, -99.83) 04/05/2024   06:20:18  ( -70.69, -97.99)   68.28                68
 04/05/2024   07:09:42   (  70.05,  68.63) 04/05/2024   07:09:55  (  70.02,  68.69)    3.33                13
 04/05/2024   08:00:24   ( -69.94,-123.89) 04/05/2024   07:59:25  ( -69.92,-123.83)    3.35                59
 04/07/2024   22:35:50   ( -70.05,  17.09) 04/07/2024   22:36:48  ( -70.06,  17.01)    3.00                58
 04/07/2024   23:26:34   (  69.96,-175.46) 04/07/2024   23:26:15  (  69.94,-175.52)    3.19                19