Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2025 8 2.  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   14:03:37   (  70.13, -34.64) 08/03/2025   14:04:45  (  70.13, -34.68)    1.90                68
 08/03/2025   14:54:19   ( -70.01, 132.85) 08/03/2025   14:54:15  ( -70.02, 132.79)    2.52                 4
 08/03/2025   15:44:58   (  69.65, -59.30) 08/03/2025   15:43:46  (  69.70, -60.01)   27.80                72
 08/06/2025   06:20:32   (  70.11,  81.16) 08/06/2025   06:21:17  (  70.09,  81.13)    3.03                45
 08/06/2025   07:11:14   ( -69.99,-111.34) 08/06/2025   07:10:47  ( -69.98,-111.39)    2.31                27
 08/08/2025   21:47:00   ( -71.07,  28.07) 08/08/2025   21:48:06  ( -71.00,  30.73)   96.46                66
 08/08/2025   22:37:27   (  70.10,-163.06) 08/08/2025   22:37:48  (  70.08,-163.01)    3.00                21
 08/08/2025   23:28:09   ( -69.98,   4.45) 08/08/2025   23:27:18  ( -69.98,   4.48)    1.16                51
 08/11/2025   14:03:40   ( -70.28, 145.13) 08/11/2025   14:04:51  ( -70.22, 145.43)   12.80                71
 08/11/2025   14:54:20   (  70.04, -47.20) 08/11/2025   14:54:18  (  70.06, -47.16)    2.09                 2
 08/11/2025   15:45:02   ( -69.91, 120.31) 08/11/2025   15:43:49  ( -69.90, 120.25)    2.77                73
 08/14/2025   06:20:31   ( -70.12, -98.85) 08/14/2025   06:21:22  ( -70.13, -98.82)    2.35                51
 08/14/2025   07:11:14   (  69.99,  68.66) 08/14/2025   07:10:49  (  70.02,  68.67)    3.44                25