Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 7 23.  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)
 07/23/2024   14:03:10   ( -70.63, 144.64) 07/23/2024   14:04:20  ( -70.51, 145.84)   46.48                70
 07/23/2024   14:53:45   (  70.05, -47.13) 07/23/2024   14:53:54  (  70.03, -47.21)    3.05                 9
 07/23/2024   15:44:27   ( -69.95, 120.33) 07/23/2024   15:43:23  ( -69.97, 120.34)    2.05                64
 07/26/2024   06:19:57   ( -70.13, -98.81) 07/26/2024   06:20:55  ( -70.16, -98.79)    2.74                58
 07/26/2024   07:10:41   (  70.03,  68.67) 07/26/2024   07:10:23  (  70.01,  68.64)    2.48                18
 07/26/2024   08:01:12   ( -69.34,-123.01) 07/26/2024   08:00:02  ( -69.39,-124.57)   61.28                70
 07/28/2024   22:36:53   ( -70.07,  17.05) 07/28/2024   22:37:25  ( -70.08,  16.98)    2.64                32
 07/28/2024   23:27:37   (  69.97,-175.48) 07/28/2024   23:26:52  (  69.98,-175.52)    1.38                45
 07/31/2024   14:03:10   (  70.30, -34.85) 07/31/2024   14:04:21  (  70.28, -34.48)   14.28                71
 07/31/2024   14:53:49   ( -70.04, 132.88) 07/31/2024   14:53:53  ( -70.05, 132.84)    2.56                 4
 07/31/2024   15:44:33   (  69.94, -59.66) 07/31/2024   15:43:20  (  69.95, -59.67)    1.14                73
 08/03/2024   06:20:03   (  70.13,  81.20) 08/03/2024   06:20:50  (  70.14,  81.22)    1.23                47
 08/03/2024   07:10:45   ( -70.01,-111.31) 08/03/2024   07:10:20  ( -70.03,-111.30)    1.26                25
 08/05/2024   21:46:29   ( -71.00,  28.25) 08/05/2024   21:47:36  ( -70.87,  30.57)   85.55                67
 08/05/2024   22:36:57   (  70.08,-162.95) 08/05/2024   22:37:15  (  70.11,-162.92)    3.41                18
 08/05/2024   23:27:39   ( -69.96,   4.54) 08/05/2024   23:26:46  ( -69.94,   4.48)    3.12                53