Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 10 29.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-21) NOAA-21 Lat/Lon Date Time(LANDSAT-9) LANDSAT-9 Lat/Lon    Distance(km)  Time Diff(sec)
 10/31/2024   13:38:50   (  71.09, -29.73) 10/31/2024   13:39:56  (  71.01, -27.22)   90.79                66
 10/31/2024   14:29:15   ( -70.12, 139.17) 10/31/2024   14:29:40  ( -70.13, 139.09)    3.12                25
 10/31/2024   15:20:00   (  70.04, -53.41) 10/31/2024   15:19:07  (  70.02, -53.41)    2.55                53
 11/03/2024   05:55:26   (  70.20,  87.50) 11/03/2024   05:56:34  (  70.20,  87.47)    1.36                68
 11/03/2024   06:46:08   ( -70.12,-105.05) 11/03/2024   06:46:04  ( -70.09,-105.06)    2.94                 4
 11/03/2024   07:36:47   (  69.73,  62.84) 11/03/2024   07:35:35  (  69.76,  62.12)   27.86                72
 11/05/2024   22:12:19   (  70.18,-156.68) 11/05/2024   22:12:57  (  70.18,-156.66)    1.06                38
 11/05/2024   23:03:00   ( -70.04,  10.86) 11/05/2024   23:02:27  ( -70.07,  10.82)    3.15                33
 11/08/2024   13:38:35   ( -70.67, 151.03) 11/08/2024   13:39:46  ( -70.56, 152.17)   43.80                71
 11/08/2024   14:29:11   (  70.14, -40.82) 11/08/2024   14:29:19  (  70.11, -40.83)    3.42                 8
 11/08/2024   15:19:52   ( -69.99, 126.72) 11/08/2024   15:18:49  ( -70.00, 126.64)    2.97                63
 11/11/2024   05:55:18   ( -70.18, -92.40) 11/11/2024   05:56:12  ( -70.18, -92.46)    2.41                54
 11/11/2024   06:46:02   (  70.08,  75.07) 11/11/2024   06:45:39  (  70.06,  75.02)    2.86                23