Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 4 24.  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)
 04/26/2024   14:52:56   ( -70.10, 132.77) 04/26/2024   14:53:44  ( -70.07, 132.73)    3.32                48
 04/26/2024   15:43:40   (  69.99, -59.75) 04/26/2024   15:43:11  (  69.97, -59.77)    2.61                29
 04/29/2024   06:19:22   (  70.94,  79.89) 04/29/2024   06:20:29  (  70.80,  82.05)   80.13                67
 04/29/2024   07:09:49   ( -70.05,-111.37) 04/29/2024   07:10:10  ( -70.08,-111.37)    3.35                21
 04/29/2024   08:00:33   (  69.95,  56.10) 04/29/2024   07:59:37  (  69.97,  56.12)    3.26                56
 05/01/2024   22:35:59   (  70.13,-163.02) 05/01/2024   22:37:05  (  70.13,-163.04)    1.30                66
 05/01/2024   23:26:41   ( -70.03,   4.45) 05/01/2024   23:26:35  ( -70.02,   4.44)    0.79                 6
 05/02/2024   00:17:18   (  69.55, 172.47) 05/02/2024   00:16:07  (  69.63, 171.54)   37.13                71
 05/04/2024   14:52:52   (  70.12, -47.22) 05/04/2024   14:53:29  (  70.11, -47.18)    2.04                37
 05/04/2024   15:43:34   ( -70.02, 120.25) 05/04/2024   15:42:59  ( -70.00, 120.30)    3.02                35
 05/07/2024   06:19:09   ( -70.66, -99.59) 05/07/2024   06:20:19  ( -70.52, -98.34)   49.00                70
 05/07/2024   07:09:44   (  70.08,  68.62) 05/07/2024   07:09:52  (  70.07,  68.66)    2.22                 8
 05/07/2024   08:00:26   ( -69.98,-123.91) 05/07/2024   07:59:22  ( -69.96,-123.85)    3.04                64