Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2025 3 16.  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)
 03/17/2025   22:37:05   (  70.13,-162.94) 03/17/2025   22:37:30  (  70.15,-162.98)    3.12                25
 03/17/2025   23:27:47   ( -70.04,   4.52) 03/17/2025   23:27:00  ( -70.04,   4.49)    1.16                47
 03/20/2025   14:03:16   ( -70.29, 145.28) 03/20/2025   14:04:28  ( -70.24, 145.40)    6.88                72
 03/20/2025   14:53:59   (  70.13, -47.17) 03/20/2025   14:53:55  (  70.13, -47.11)    2.13                 4
 03/20/2025   15:44:39   ( -69.93, 120.46) 03/20/2025   15:43:26  ( -69.97, 120.28)    7.83                73
 03/23/2025   06:20:07   ( -70.20, -98.81) 03/23/2025   06:20:52  ( -70.18, -98.80)    2.51                45
 03/23/2025   07:10:50   (  70.05,  68.73) 03/23/2025   07:10:19  (  70.06,  68.68)    2.46                31
 03/25/2025   21:46:28   (  70.82,-151.33) 03/25/2025   21:47:37  (  70.71,-149.74)   59.27                69
 03/25/2025   22:37:00   ( -70.18,  17.00) 03/25/2025   22:37:15  ( -70.17,  17.08)    3.22                15
 03/25/2025   23:27:43   (  70.03,-175.47) 03/25/2025   23:26:42  (  70.05,-175.44)    2.13                61
 03/28/2025   14:03:09   (  70.18, -34.55) 03/28/2025   14:04:08  (  70.21, -34.58)    3.20                59
 03/28/2025   14:53:52   ( -70.12, 132.87) 03/28/2025   14:53:38  ( -70.10, 132.90)    1.91                14
 03/28/2025   15:44:24   (  69.40, -58.75) 03/28/2025   15:43:15  (  69.43, -60.38)   63.73                69