Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 9 2.  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   (  70.20,  81.20) 09/04/2024   06:21:10  (  70.18,  81.24)    2.38                72
 09/04/2024   07:10:39   ( -70.05,-111.25) 09/04/2024   07:10:40  ( -70.07,-111.28)    2.39                 1
 09/04/2024   08:01:21   (  69.84,  56.38) 09/04/2024   08:00:09  (  69.86,  56.06)   12.45                72
 09/06/2024   22:36:48   (  70.14,-162.91) 09/06/2024   22:37:40  (  70.15,-162.92)    1.29                52
 09/06/2024   23:27:30   ( -70.04,   4.55) 09/06/2024   23:27:10  ( -70.04,   4.56)    0.38                20
 09/07/2024   00:17:58   (  69.09, 173.25) 09/07/2024   00:16:51  (  69.16, 171.00)   89.45                67
 09/09/2024   14:53:39   (  70.10, -47.07) 09/09/2024   14:54:10  (  70.11, -47.10)    1.51                31
 09/09/2024   15:44:21   ( -70.01, 120.40) 09/09/2024   15:43:40  ( -70.00, 120.38)    0.94                41
 09/12/2024   06:19:55   ( -70.66, -99.47) 09/12/2024   06:21:05  ( -70.54, -98.22)   47.73                70
 09/12/2024   07:10:30   (  70.09,  68.75) 09/12/2024   07:10:38  (  70.10,  68.78)    1.84                 8
 09/12/2024   08:01:12   ( -69.99,-123.78) 09/12/2024   08:00:08  ( -70.00,-123.74)    1.94                64
 09/14/2024   22:36:36   ( -70.14,  17.16) 09/14/2024   22:37:39  ( -70.14,  17.08)    2.75                63
 09/14/2024   23:27:20   (  70.04,-175.38) 09/14/2024   23:27:06  (  70.02,-175.44)    2.75                14
 09/15/2024   00:17:53   ( -69.47,  -7.21) 09/15/2024   00:16:43  ( -69.54,  -8.48)   49.97                70