Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 7 6.  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)
 07/07/2024   14:02:57   ( -70.50, 144.84) 07/07/2024   14:04:08  ( -70.36, 145.65)   33.87                71
 07/07/2024   14:53:35   (  70.06, -47.16) 07/07/2024   14:53:39  (  70.04, -47.17)    2.53                 4
 07/07/2024   15:44:16   ( -69.93, 120.37) 07/07/2024   15:43:09  ( -69.93, 120.31)    2.28                67
 07/10/2024   06:19:47   ( -70.11, -98.78) 07/10/2024   06:20:43  ( -70.13, -98.81)    1.98                56
 07/10/2024   07:10:32   (  70.05,  68.63) 07/10/2024   07:10:10  (  70.03,  68.69)    3.30                22
 07/10/2024   08:01:00   ( -69.22,-122.83) 07/10/2024   07:59:52  ( -69.25,-124.73)   74.88                68
 07/12/2024   22:36:43   ( -70.10,  17.01) 07/12/2024   22:37:13  ( -70.08,  17.01)    1.87                30
 07/12/2024   23:27:27   (  69.99,-175.51) 07/12/2024   23:26:40  (  69.98,-175.49)    1.06                47
 07/15/2024   14:03:00   (  70.30, -34.85) 07/15/2024   14:04:12  (  70.23, -34.54)   14.53                72
 07/15/2024   14:53:39   ( -70.04, 132.87) 07/15/2024   14:53:43  ( -70.06, 132.86)    2.18                 4
 07/15/2024   15:44:23   (  69.94, -59.66) 07/15/2024   15:43:10  (  69.96, -59.64)    2.26                73
 07/18/2024   06:19:53   (  70.10,  81.23) 07/18/2024   06:20:43  (  70.12,  81.19)    2.32                50
 07/18/2024   07:10:35   ( -70.00,-111.29) 07/18/2024   07:10:13  ( -70.01,-111.32)    2.20                22