Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 8 11.  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)
 08/11/2024   06:20:07   ( -70.15, -98.83) 08/11/2024   06:20:55  ( -70.16, -98.76)    3.09                48
 08/11/2024   07:10:50   (  69.99,  68.72) 08/11/2024   07:10:23  (  70.01,  68.67)    3.00                27
 08/13/2024   22:37:02   ( -70.11,  17.01) 08/13/2024   22:37:28  ( -70.09,  17.02)    1.50                26
 08/13/2024   23:27:46   (  70.01,-175.53) 08/13/2024   23:26:55  (  69.99,-175.48)    2.30                51
 08/16/2024   14:03:17   (  70.30, -34.83) 08/16/2024   14:04:28  (  70.23, -34.54)   13.41                71
 08/16/2024   14:53:57   ( -70.09, 132.82) 08/16/2024   14:53:59  ( -70.07, 132.86)    2.73                 2
 08/16/2024   15:44:39   (  69.88, -59.56) 08/16/2024   15:43:27  (  69.91, -59.72)    6.61                72
 08/19/2024   06:20:09   (  70.15,  81.19) 08/19/2024   06:20:59  (  70.13,  81.20)    1.71                50
 08/19/2024   07:10:51   ( -70.04,-111.32) 08/19/2024   07:10:29  ( -70.03,-111.31)    1.01                22
 08/19/2024   08:01:17   (  68.98,  57.51) 08/19/2024   08:00:11  (  69.08,  55.06)   98.37                66
 08/21/2024   22:37:02   (  70.12,-162.98) 08/21/2024   22:37:26  (  70.13,-162.91)    2.92                24
 08/21/2024   23:27:44   ( -70.00,   4.50) 08/21/2024   23:26:57  ( -69.97,   4.50)    3.50                47
 08/24/2024   14:03:14   ( -70.30, 145.20) 08/24/2024   14:04:26  ( -70.23, 145.48)   13.16                72
 08/24/2024   14:53:55   (  70.05, -47.11) 08/24/2024   14:53:54  (  70.06, -47.12)    0.65                 1
 08/24/2024   15:44:37   ( -69.94, 120.38) 08/24/2024   15:43:24  ( -69.96, 120.37)    2.09                73