Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2025 6 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)
 06/03/2025   06:20:07   (  70.13,  81.25) 06/03/2025   06:20:45  (  70.15,  81.24)    3.12                38
 06/03/2025   07:10:48   ( -70.01,-111.26) 06/03/2025   07:10:15  ( -70.04,-111.29)    3.19                33
 06/05/2025   21:46:30   ( -70.78,  28.66) 06/05/2025   21:47:39  ( -70.64,  30.21)   58.88                69
 06/05/2025   22:37:04   (  70.11,-162.97) 06/05/2025   22:37:14  (  70.10,-162.94)    1.47                10
 06/05/2025   23:27:45   ( -70.00,   4.52) 06/05/2025   23:26:44  ( -69.99,   4.53)    0.64                61
 06/08/2025   14:03:16   ( -70.20, 145.36) 06/08/2025   14:04:15  ( -70.19, 145.43)    2.88                59
 06/08/2025   14:54:00   (  70.05, -47.12) 06/08/2025   14:53:43  (  70.03, -47.16)    2.92                17
 06/08/2025   15:44:31   ( -69.41, 121.16) 06/08/2025   15:43:21  ( -69.48, 119.72)   56.62                70
 06/11/2025   06:20:12   ( -70.14, -98.80) 06/11/2025   06:20:43  ( -70.15, -98.73)    2.83                31
 06/11/2025   07:10:55   (  70.00,  68.73) 06/11/2025   07:10:10  (  69.99,  68.67)    2.39                45
 06/13/2025   21:46:28   (  70.32,-150.63) 06/13/2025   21:47:39  (  70.25,-150.34)   13.48                71
 06/13/2025   22:37:07   ( -70.09,  17.04) 06/13/2025   22:37:10  ( -70.09,  17.07)    1.07                 3
 06/13/2025   23:27:50   (  69.90,-175.36) 06/13/2025   23:26:38  (  69.92,-175.52)    6.72                72