Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 10 14.  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)
 10/15/2024   13:38:46   (  71.00, -29.62) 10/15/2024   13:39:53  (  70.91, -27.37)   82.37                67
 10/15/2024   14:29:13   ( -70.14, 139.08) 10/15/2024   14:29:35  ( -70.15, 139.13)    1.74                22
 10/15/2024   15:19:57   (  70.00, -53.40) 10/15/2024   15:19:03  (  69.98, -53.46)    3.36                54
 10/18/2024   05:55:26   (  70.19,  87.47) 10/18/2024   05:56:35  (  70.22,  87.47)    3.08                69
 10/18/2024   06:46:08   ( -70.12,-105.10) 10/18/2024   06:46:05  ( -70.11,-105.04)    2.25                 3
 10/18/2024   07:36:48   (  69.77,  62.73) 10/18/2024   07:35:36  (  69.78,  62.14)   22.92                72
 10/20/2024   22:12:22   (  70.19,-156.75) 10/20/2024   22:13:05  (  70.17,-156.70)    2.33                43
 10/20/2024   23:03:03   ( -70.06,  10.77) 10/20/2024   23:02:35  ( -70.07,  10.79)    1.82                28
 10/23/2024   13:38:47   ( -71.01, 150.38) 10/23/2024   13:39:54  ( -70.95, 152.70)   84.30                67
 10/23/2024   14:29:16   (  70.10, -40.84) 10/23/2024   14:29:34  (  70.12, -40.89)    2.73                18
 10/23/2024   15:19:58   ( -70.02, 126.60) 10/23/2024   15:19:04  ( -70.02, 126.60)    0.27                54
 10/26/2024   05:55:27   ( -70.22, -92.55) 10/26/2024   05:56:35  ( -70.19, -92.55)    3.35                68
 10/26/2024   06:46:11   (  70.10,  74.95) 10/26/2024   06:46:01  (  70.12,  75.00)    3.22                10
 10/26/2024   07:36:48   ( -69.75,-117.21) 10/26/2024   07:35:35  ( -69.80,-117.81)   24.10                73