Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 8 25.  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)
 08/27/2024   06:20:03   ( -70.16, -98.78) 08/27/2024   06:21:04  ( -70.14, -98.80)    2.73                61
 08/27/2024   07:10:47   (  70.06,  68.68) 08/27/2024   07:10:31  (  70.03,  68.69)    2.83                16
 08/27/2024   08:01:19   ( -69.43,-123.07) 08/27/2024   08:00:09  ( -69.48,-124.44)   53.70                70
 08/29/2024   22:36:55   ( -70.09,  17.11) 08/29/2024   22:37:32  ( -70.11,  17.05)    3.03                37
 08/29/2024   23:27:39   (  69.99,-175.43) 08/29/2024   23:26:59  (  70.00,-175.47)    1.79                40
 09/01/2024   14:03:13   (  70.61, -35.25) 09/01/2024   14:04:23  (  70.46, -34.18)   43.01                70
 09/01/2024   14:53:47   ( -70.09, 132.90) 09/01/2024   14:53:58  ( -70.08, 132.91)    0.81                11
 09/01/2024   15:44:31   (  69.99, -59.64) 09/01/2024   15:43:25  (  69.97, -59.61)    2.60                66
 09/04/2024   06:19:57   (  70.16,  81.27) 09/04/2024   06:20:54  (  70.17,  81.29)    1.33                57
 09/04/2024   07:10:39   ( -70.05,-111.26) 09/04/2024   07:10:24  ( -70.06,-111.22)    1.75                15
 09/04/2024   08:01:10   (  69.26,  57.21) 09/04/2024   08:00:02  (  69.34,  55.42)   70.78                68
 09/06/2024   22:36:49   (  70.13,-162.91) 09/06/2024   22:37:19  (  70.15,-162.84)    3.11                30
 09/06/2024   23:27:30   ( -69.98,   4.65) 09/06/2024   23:26:50  ( -69.99,   4.58)    3.04                40