Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2025 2 21.  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)
 02/21/2025   22:37:03   ( -70.16,  17.07) 02/21/2025   22:37:43  ( -70.18,  17.05)    2.16                40
 02/21/2025   23:27:48   (  70.06,-175.48) 02/21/2025   23:27:10  (  70.07,-175.46)    1.30                38
 02/24/2025   14:03:25   (  70.61, -35.21) 02/24/2025   14:04:35  (  70.52, -34.20)   38.83                70
 02/24/2025   14:53:59   ( -70.13, 132.87) 02/24/2025   14:54:10  ( -70.13, 132.88)    0.85                11
 02/24/2025   15:44:44   (  70.04, -59.68) 02/24/2025   15:43:37  (  70.02, -59.63)    2.15                67
 02/27/2025   06:20:13   (  70.18,  81.24) 02/27/2025   06:21:07  (  70.16,  81.17)    3.38                54
 02/27/2025   07:10:55   ( -70.11,-111.34) 02/27/2025   07:10:36  ( -70.11,-111.27)    2.37                19
 02/27/2025   08:01:24   (  69.17,  57.34) 02/27/2025   08:00:17  (  69.22,  55.16)   86.06                67
 03/01/2025   22:37:07   (  70.13,-162.92) 03/01/2025   22:37:31  (  70.14,-162.96)    2.44                24
 03/01/2025   23:27:49   ( -70.05,   4.52) 03/01/2025   23:27:01  ( -70.04,   4.52)    1.63                48
 03/04/2025   14:03:18   ( -70.21, 145.41) 03/04/2025   14:04:29  ( -70.20, 145.37)    1.80                71
 03/04/2025   14:54:02   (  70.09, -47.09) 03/04/2025   14:53:56  (  70.08, -47.15)    2.32                 6
 03/04/2025   15:44:41   ( -69.85, 120.59) 03/04/2025   15:43:28  ( -69.87, 120.18)   15.77                73