Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 9 3.  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)
 09/04/2024   06:19:58   (  70.21,  81.18) 09/04/2024   06:21:09  (  70.22,  81.29)    4.25                71
 09/04/2024   07:10:39   ( -70.07,-111.28) 09/04/2024   07:10:40  ( -70.05,-111.31)    2.27                 1
 09/04/2024   08:01:21   (  69.85,  56.36) 09/04/2024   08:00:08  (  69.89,  56.11)   10.47                73
 09/06/2024   22:36:49   (  70.16,-162.94) 09/06/2024   22:37:40  (  70.17,-162.89)    2.78                51
 09/06/2024   23:27:31   ( -70.07,   4.52) 09/06/2024   23:27:10  ( -70.07,   4.59)    2.75                21
 09/07/2024   00:17:59   (  69.11, 173.23) 09/07/2024   00:16:52  (  69.13, 170.96)   89.66                67
 09/09/2024   14:53:39   (  70.13, -47.10) 09/09/2024   14:54:09  (  70.11, -47.10)    2.02                30
 09/09/2024   15:44:20   ( -69.98, 120.44) 09/09/2024   15:43:39  ( -70.00, 120.39)    3.17                41
 09/12/2024   06:19:54   ( -70.64, -99.43) 09/12/2024   06:21:04  ( -70.52, -98.26)   45.74                70
 09/12/2024   07:10:29   (  70.07,  68.79) 09/12/2024   07:10:37  (  70.08,  68.75)    1.79                 8
 09/12/2024   08:01:11   ( -69.97,-123.75) 09/12/2024   08:00:07  ( -69.97,-123.77)    0.56                64
 09/14/2024   22:36:36   ( -70.19,  17.09) 09/14/2024   22:37:36  ( -70.19,  17.16)    2.83                60
 09/14/2024   23:27:19   (  70.03,-175.36) 09/14/2024   23:27:04  (  70.02,-175.44)    3.04                15
 09/15/2024   00:17:52   ( -69.46,  -7.20) 09/15/2024   00:16:42  ( -69.48,  -8.55)   52.90                70