Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2025 8 1.  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)
 08/03/2025   14:03:38   (  70.16, -34.69) 08/03/2025   14:04:45  (  70.15, -34.66)    1.78                67
 08/03/2025   14:54:20   ( -70.04, 132.81) 08/03/2025   14:54:15  ( -70.04, 132.82)    0.77                 5
 08/03/2025   15:44:58   (  69.64, -59.28) 08/03/2025   15:43:46  (  69.71, -59.99)   28.94                72
 08/06/2025   06:20:32   (  70.09,  81.19) 08/06/2025   06:21:17  (  70.09,  81.13)    2.19                45
 08/06/2025   07:11:14   ( -69.97,-111.31) 08/06/2025   07:10:47  ( -69.98,-111.38)    3.21                27
 08/08/2025   21:46:59   ( -71.05,  28.11) 08/08/2025   21:48:05  ( -70.99,  30.71)   94.25                66
 08/08/2025   22:37:26   (  70.08,-163.02) 08/08/2025   22:37:47  (  70.06,-163.03)    1.77                21
 08/08/2025   23:28:08   ( -69.95,   4.49) 08/08/2025   23:27:17  ( -69.96,   4.46)    1.35                51
 08/11/2025   14:03:38   ( -70.20, 145.26) 08/11/2025   14:04:50  ( -70.18, 145.37)    4.77                72
 08/11/2025   14:54:20   (  70.02, -47.16) 08/11/2025   14:54:18  (  70.01, -47.22)    2.54                 2
 08/11/2025   15:45:02   ( -69.89, 120.36) 08/11/2025   15:43:48  ( -69.91, 120.27)    4.32                74
 08/14/2025   06:20:32   ( -70.14, -98.88) 08/14/2025   06:21:21  ( -70.11, -98.85)    3.12                49
 08/14/2025   07:11:15   (  70.01,  68.62) 08/14/2025   07:10:48  (  69.99,  68.63)    1.99                27