Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2025 2 27.  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   06:20:13   (  70.21,  81.19) 02/27/2025   06:21:07  (  70.18,  81.19)    3.66                54
 02/27/2025   07:10:54   ( -70.09,-111.31) 02/27/2025   07:10:37  ( -70.07,-111.34)    3.01                17
 02/27/2025   08:01:24   (  69.20,  57.30) 02/27/2025   08:00:17  (  69.24,  55.19)   83.23                67
 03/01/2025   22:37:08   (  70.17,-162.98) 03/01/2025   22:37:38  (  70.14,-162.99)    2.88                30
 03/01/2025   23:27:49   ( -70.05,   4.52) 03/01/2025   23:27:08  ( -70.04,   4.49)    1.50                41
 03/04/2025   14:03:24   ( -70.59, 144.81) 03/04/2025   14:04:35  ( -70.50, 145.75)   36.59                71
 03/04/2025   14:54:01   (  70.10, -47.10) 03/04/2025   14:54:07  (  70.11, -47.16)    2.69                 6
 03/04/2025   15:44:43   ( -70.02, 120.33) 03/04/2025   15:43:37  ( -70.01, 120.32)    1.62                66
 03/07/2025   06:20:12   ( -70.22, -98.83) 03/07/2025   06:21:09  ( -70.19, -98.82)    3.12                57
 03/07/2025   07:10:56   (  70.09,  68.67) 03/07/2025   07:10:36  (  70.07,  68.66)    2.30                20
 03/07/2025   08:01:25   ( -69.32,-122.88) 03/07/2025   08:00:16  ( -69.42,-124.60)   68.23                69
 03/09/2025   22:37:06   ( -70.17,  17.01) 03/09/2025   22:37:37  ( -70.15,  17.01)    2.10                31
 03/09/2025   23:27:50   (  70.05,-175.50) 03/09/2025   23:27:04  (  70.03,-175.51)    2.49                46
 03/12/2025   14:03:21   (  70.39, -34.88) 03/12/2025   14:04:32  (  70.32, -34.49)   16.79                71
 03/12/2025   14:54:00   ( -70.14, 132.83) 03/12/2025   14:54:04  ( -70.11, 132.84)    3.40                 4
 03/12/2025   15:44:43   (  69.98, -59.61) 03/12/2025   15:43:31  (  69.99, -59.69)    2.99                72