Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 7 5.  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)   33.93                71
 07/07/2024   14:53:35   (  70.07, -47.16) 07/07/2024   14:53:39  (  70.04, -47.17)    2.78                 4
 07/07/2024   15:44:16   ( -69.93, 120.36) 07/07/2024   15:43:09  ( -69.93, 120.31)    2.18                67
 07/10/2024   06:19:47   ( -70.11, -98.78) 07/10/2024   06:20:43  ( -70.13, -98.80)    2.40                56
 07/10/2024   07:10:32   (  70.05,  68.63) 07/10/2024   07:10:10  (  70.03,  68.70)    3.26                22
 07/10/2024   08:01:00   ( -69.22,-122.83) 07/10/2024   07:59:52  ( -69.26,-124.72)   74.68                68
 07/12/2024   22:36:43   ( -70.10,  17.01) 07/12/2024   22:37:13  ( -70.09,  17.02)    0.58                30
 07/12/2024   23:27:27   (  69.99,-175.51) 07/12/2024   23:26:40  (  69.99,-175.48)    0.97                47
 07/15/2024   14:03:00   (  70.30, -34.85) 07/15/2024   14:04:12  (  70.24, -34.52)   14.04                72
 07/15/2024   14:53:39   ( -70.04, 132.87) 07/15/2024   14:53:44  ( -70.03, 132.81)    2.95                 5
 07/15/2024   15:44:23   (  69.93, -59.66) 07/15/2024   15:43:11  (  69.92, -59.70)    2.54                72
 07/18/2024   06:19:54   (  70.15,  81.16) 07/18/2024   06:20:43  (  70.14,  81.22)    2.67                49
 07/18/2024   07:10:36   ( -70.04,-111.36) 07/18/2024   07:10:13  ( -70.04,-111.29)    2.71                23