Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 5 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)
 05/25/2024   22:35:43   ( -70.18,  17.03) 05/25/2024   22:36:51  ( -70.16,  16.98)    2.49                68
 05/25/2024   23:26:27   (  70.04,-175.46) 05/25/2024   23:26:18  (  70.06,-175.52)    2.76                 9
 05/26/2024   00:17:04   ( -69.70,  -7.63) 05/26/2024   00:15:52  ( -69.73,  -8.35)   27.89                72
 05/28/2024   14:52:43   ( -70.17, 132.80) 05/28/2024   14:53:20  ( -70.15, 132.84)    2.55                37
 05/28/2024   15:43:27   (  70.03, -59.69) 05/28/2024   15:42:47  (  70.04, -59.67)    0.86                40
 05/31/2024   06:19:04   (  70.46,  80.78) 05/31/2024   06:20:15  (  70.36,  81.39)   25.47                71
 05/31/2024   07:09:41   ( -70.12,-111.36) 05/31/2024   07:09:48  ( -70.09,-111.37)    2.83                 7
 05/31/2024   08:00:25   (  69.99,  56.14) 05/31/2024   07:59:15  (  69.98,  56.12)    1.05                70
 06/02/2024   22:35:58   (  70.17,-163.00) 06/02/2024   22:36:46  (  70.16,-163.03)    1.70                48
 06/02/2024   23:26:40   ( -70.08,   4.45) 06/02/2024   23:26:16  ( -70.05,   4.46)    3.45                24
 06/05/2024   14:02:27   ( -71.00, 144.10) 06/05/2024   14:03:34  ( -70.90, 146.31)   81.06                67
 06/05/2024   14:52:57   (  70.15, -47.21) 06/05/2024   14:53:13  (  70.13, -47.19)    2.44                16
 06/05/2024   15:43:38   ( -70.01, 120.32) 06/05/2024   15:42:43  ( -70.02, 120.30)    1.96                55