Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 10 21.  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)
 10/23/2024   14:29:17   (  70.13, -40.89) 10/23/2024   14:29:42  (  70.13, -40.92)    1.42                25
 10/23/2024   15:19:58   ( -70.01, 126.62) 10/23/2024   15:19:12  ( -70.02, 126.56)    2.73                46
 10/26/2024   05:55:31   ( -70.39, -92.82) 10/26/2024   05:56:43  ( -70.32, -92.41)   17.13                72
 10/26/2024   06:46:12   (  70.10,  74.93) 10/26/2024   06:46:12  (  70.10,  74.92)    0.76                 0
 10/26/2024   07:36:53   ( -69.97,-117.55) 10/26/2024   07:35:42  ( -69.99,-117.60)    3.02                71
 10/28/2024   22:12:22   ( -70.16,  23.32) 10/28/2024   22:13:14  ( -70.18,  23.27)    2.77                52
 10/28/2024   23:03:07   (  70.09,-169.27) 10/28/2024   23:02:41  (  70.07,-169.24)    2.69                26
 10/28/2024   23:53:32   ( -69.11,  -0.51) 10/28/2024   23:52:25  ( -69.19,  -2.80)   91.02                67
 10/31/2024   13:38:51   (  71.14, -29.81) 10/31/2024   13:39:57  (  71.01, -27.22)   94.68                66
 10/31/2024   14:29:16   ( -70.16, 139.10) 10/31/2024   14:29:41  ( -70.15, 139.12)    1.50                25
 10/31/2024   15:20:00   (  70.04, -53.41) 10/31/2024   15:19:08  (  70.03, -53.40)    1.25                52
 11/03/2024   05:55:28   (  70.21,  87.48) 11/03/2024   05:56:38  (  70.21,  87.47)    0.74                70
 11/03/2024   06:46:10   ( -70.12,-105.06) 11/03/2024   06:46:08  ( -70.11,-105.05)    1.68                 2
 11/03/2024   07:36:50   (  69.80,  62.74) 11/03/2024   07:35:38  (  69.82,  62.20)   20.89                72