Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 5 27.  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)
 05/28/2024   14:52:42   ( -70.12, 132.87) 05/28/2024   14:53:20  ( -70.14, 132.82)    2.52                38
 05/28/2024   15:43:27   (  70.04, -59.70) 05/28/2024   15:42:47  (  70.03, -59.68)    1.17                40
 05/31/2024   06:19:05   (  70.46,  80.78) 05/31/2024   06:20:16  (  70.36,  81.39)   25.47                71
 05/31/2024   07:09:42   ( -70.12,-111.37) 05/31/2024   07:09:49  ( -70.09,-111.37)    3.33                 7
 05/31/2024   08:00:26   (  69.99,  56.14) 05/31/2024   07:59:16  (  69.98,  56.12)    1.07                70
 06/02/2024   22:35:58   (  70.16,-162.99) 06/02/2024   22:36:46  (  70.17,-163.01)    1.56                48
 06/02/2024   23:26:40   ( -70.08,   4.46) 06/02/2024   23:26:16  ( -70.06,   4.47)    1.46                24
 06/05/2024   14:02:27   ( -70.99, 144.13) 06/05/2024   14:03:35  ( -70.87, 146.27)   78.83                68
 06/05/2024   14:52:57   (  70.13, -47.18) 06/05/2024   14:53:14  (  70.11, -47.22)    2.89                17
 06/05/2024   15:43:39   ( -70.04, 120.27) 06/05/2024   15:42:43  ( -70.06, 120.34)    3.27                56
 06/08/2024   06:19:11   ( -70.18, -98.81) 06/08/2024   06:20:14  ( -70.18, -98.88)    2.56                63
 06/08/2024   07:09:56   (  70.11,  68.61) 06/08/2024   07:09:40  (  70.12,  68.68)    2.85                16
 06/08/2024   08:00:28   ( -69.49,-123.16) 06/08/2024   07:59:18  ( -69.58,-124.44)   50.64                70