Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2025 2 23.  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)
 02/24/2025   14:03:25   (  70.63, -35.24) 02/24/2025   14:04:35  (  70.49, -34.23)   39.94                70
 02/24/2025   14:53:59   ( -70.15, 132.85) 02/24/2025   14:54:09  ( -70.16, 132.92)    3.18                10
 02/24/2025   15:44:43   (  70.00, -59.63) 02/24/2025   15:43:37  (  70.00, -59.67)    1.67                66
 02/27/2025   06:20:13   (  70.20,  81.21) 02/27/2025   06:21:06  (  70.18,  81.20)    1.57                53
 02/27/2025   07:10:54   ( -70.08,-111.29) 02/27/2025   07:10:36  ( -70.07,-111.32)    1.39                18
 02/27/2025   08:01:23   (  69.14,  57.39) 02/27/2025   08:00:16  (  69.24,  55.20)   87.35                67
 03/01/2025   22:37:08   (  70.15,-162.95) 03/01/2025   22:37:31  (  70.16,-162.94)    1.34                23
 03/01/2025   23:27:49   ( -70.02,   4.56) 03/01/2025   23:27:01  ( -70.05,   4.54)    3.34                48
 03/04/2025   14:03:18   ( -70.24, 145.37) 03/04/2025   14:04:28  ( -70.21, 145.39)    3.18                70
 03/04/2025   14:54:02   (  70.11, -47.13) 03/04/2025   14:53:55  (  70.09, -47.13)    2.11                 7
 03/04/2025   15:44:40   ( -69.82, 120.63) 03/04/2025   15:43:27  ( -69.88, 120.20)   17.74                73
 03/07/2025   06:20:12   ( -70.15, -98.73) 03/07/2025   06:20:52  ( -70.16, -98.78)    1.94                40
 03/07/2025   07:10:56   (  70.03,  68.76) 03/07/2025   07:10:19  (  70.04,  68.69)    2.46                37