Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 10 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)
 10/03/2024   14:03:40   (  70.17, -34.61) 10/03/2024   14:04:39  (  70.20, -34.58)    2.95                59
 10/03/2024   14:54:22   ( -70.10, 132.82) 10/03/2024   14:54:09  ( -70.08, 132.89)    3.40                13
 10/03/2024   15:44:55   (  69.38, -58.80) 10/03/2024   15:43:46  (  69.43, -60.37)   61.64                69
 10/06/2024   06:20:38   (  70.13,  81.22) 10/06/2024   06:21:09  (  70.15,  81.22)    1.72                31
 10/06/2024   07:11:20   ( -70.06,-111.35) 10/06/2024   07:10:39  ( -70.03,-111.30)    3.30                41
 10/08/2024   21:46:56   ( -70.47,  29.15) 10/08/2024   21:48:07  ( -70.36,  29.78)   26.37                71
 10/08/2024   22:37:35   (  70.07,-162.92) 10/08/2024   22:37:37  (  70.09,-162.97)    2.56                 2
 10/08/2024   23:28:17   ( -70.00,   4.51) 10/08/2024   23:27:07  ( -69.98,   4.51)    2.25                70
 10/11/2024   14:03:48   ( -70.18, 145.37) 10/11/2024   14:04:35  ( -70.19, 145.44)    2.74                47
 10/11/2024   14:54:32   (  70.05, -47.12) 10/11/2024   14:54:03  (  70.02, -47.16)    3.26                29
 10/14/2024   05:30:11   (  70.75,  92.92) 10/14/2024   05:31:20  (  70.68,  94.42)   55.67                69
 10/14/2024   06:20:43   ( -70.14, -98.79) 10/14/2024   06:20:58  ( -70.13, -98.75)    2.19                15
 10/14/2024   07:11:27   (  70.01,  68.71) 10/14/2024   07:10:25  (  70.01,  68.73)    0.83                62
 10/16/2024   21:46:56   (  70.17,-150.38) 10/16/2024   21:47:50  (  70.17,-150.41)    1.24                54
 10/16/2024   22:37:38   ( -70.09,  17.07) 10/16/2024   22:37:20  ( -70.06,  17.07)    2.78                18