Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 7 21.  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   14:03:09   ( -70.64, 144.62) 07/23/2024   14:04:19  ( -70.54, 145.89)   48.08                70
 07/23/2024   14:53:44   (  70.06, -47.15) 07/23/2024   14:53:53  (  70.06, -47.16)    0.45                 9
 07/23/2024   15:44:26   ( -69.96, 120.31) 07/23/2024   15:43:23  ( -69.94, 120.30)    2.11                63
 07/26/2024   06:19:55   ( -70.12, -98.77) 07/26/2024   06:20:56  ( -70.14, -98.82)    2.93                61
 07/26/2024   07:10:39   (  70.01,  68.69) 07/26/2024   07:10:23  (  70.04,  68.69)    2.94                16
 07/26/2024   08:01:11   ( -69.38,-123.06) 07/26/2024   08:00:01  ( -69.48,-124.45)   55.44                70
 07/28/2024   22:36:51   ( -70.13,  16.98) 07/28/2024   22:37:25  ( -70.12,  17.05)    2.71                34
 07/28/2024   23:27:34   (  69.98,-175.48) 07/28/2024   23:26:53  (  69.97,-175.53)    2.61                41
 07/31/2024   14:03:08   (  70.48, -35.11) 07/31/2024   14:04:19  (  70.39, -34.31)   31.57                71
 07/31/2024   14:53:44   ( -70.05, 132.87) 07/31/2024   14:53:53  ( -70.06, 132.84)    1.20                 9
 07/31/2024   15:44:28   (  69.96, -59.67) 07/31/2024   15:43:20  (  69.95, -59.66)    1.30                68
 08/03/2024   06:19:57   (  70.16,  81.17) 08/03/2024   06:20:50  (  70.16,  81.25)    2.82                53
 08/03/2024   07:10:39   ( -70.05,-111.33) 08/03/2024   07:10:20  ( -70.05,-111.28)    2.23                19