Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 8 9.  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   ( -70.14, -98.81) 08/11/2024   06:20:56  ( -70.12, -98.82)    1.96                49
 08/11/2024   07:10:51   (  70.03,  68.66) 08/11/2024   07:10:23  (  70.02,  68.68)    1.88                28
 08/13/2024   22:37:02   ( -70.09,  17.04) 08/13/2024   22:37:28  ( -70.12,  17.05)    3.17                26
 08/13/2024   23:27:46   (  69.99,-175.50) 08/13/2024   23:26:55  (  70.01,-175.45)    3.08                51
 08/16/2024   14:03:17   (  70.27, -34.78) 08/16/2024   14:04:29  (  70.21, -34.57)   10.43                72
 08/16/2024   14:53:57   ( -70.05, 132.87) 08/16/2024   14:54:00  ( -70.05, 132.83)    1.34                 3
 08/16/2024   15:44:40   (  69.91, -59.60) 08/16/2024   15:43:27  (  69.94, -59.68)    4.91                73
 08/19/2024   06:20:10   (  70.15,  81.18) 08/19/2024   06:21:00  (  70.13,  81.20)    2.00                50
 08/19/2024   07:10:52   ( -70.04,-111.33) 08/19/2024   07:10:30  ( -70.03,-111.31)    0.92                22
 08/19/2024   08:01:17   (  68.99,  57.50) 08/19/2024   08:00:11  (  69.09,  55.06)   97.97                66
 08/21/2024   22:37:03   (  70.10,-162.96) 08/21/2024   22:37:28  (  70.10,-162.95)    0.80                25
 08/21/2024   23:27:45   ( -69.98,   4.53) 08/21/2024   23:26:58  ( -70.01,   4.54)    2.62                47