Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2025 2 26.  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)
 02/27/2025   06:20:12   (  70.17,  81.25) 02/27/2025   06:21:05  (  70.19,  81.22)    2.52                53
 02/27/2025   07:10:53   ( -70.06,-111.26) 02/27/2025   07:10:35  ( -70.08,-111.31)    3.25                18
 02/27/2025   08:01:23   (  69.17,  57.35) 02/27/2025   08:00:16  (  69.20,  55.14)   87.42                67
 03/01/2025   22:37:07   (  70.13,-162.93) 03/01/2025   22:37:30  (  70.14,-162.97)    1.58                23
 03/01/2025   23:27:48   ( -70.01,   4.58) 03/01/2025   23:27:00  ( -70.02,   4.51)    3.11                48
 03/04/2025   14:03:18   ( -70.24, 145.37) 03/04/2025   14:04:26  ( -70.25, 145.45)    3.09                68
 03/04/2025   14:54:02   (  70.11, -47.12) 03/04/2025   14:53:53  (  70.13, -47.07)    3.42                 9
 03/04/2025   15:44:39   ( -69.77, 120.71) 03/04/2025   15:43:27  ( -69.80, 120.10)   23.60                72
 03/07/2025   06:20:11   ( -70.17, -98.76) 03/07/2025   06:20:48  ( -70.19, -98.72)    2.90                37
 03/07/2025   07:10:55   (  70.05,  68.74) 03/07/2025   07:10:15  (  70.08,  68.75)    3.25                40
 03/09/2025   21:46:27   (  70.42,-150.69) 03/09/2025   21:47:38  (  70.36,-150.21)   19.29                71
 03/09/2025   22:37:05   ( -70.12,  17.09) 03/09/2025   22:37:10  ( -70.14,  17.11)    2.52                 5
 03/09/2025   23:27:49   (  70.00,-175.42) 03/09/2025   23:26:37  (  70.02,-175.42)    1.91                72