Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 10 6.  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)
 10/07/2024   13:38:39   ( -71.11, 150.20) 10/07/2024   13:39:45  ( -70.98, 152.76)   93.39                66
 10/07/2024   14:29:07   (  70.13, -40.90) 10/07/2024   14:29:26  (  70.11, -40.89)    2.79                19
 10/07/2024   15:19:48   ( -70.01, 126.60) 10/07/2024   15:18:56  ( -69.99, 126.58)    2.29                52
 10/10/2024   05:55:19   ( -70.18, -92.51) 10/10/2024   05:56:24  ( -70.17, -92.55)    2.14                65
 10/10/2024   06:46:03   (  70.04,  75.01) 10/10/2024   06:45:51  (  70.06,  74.93)    3.37                12
 10/10/2024   07:36:38   ( -69.60,-117.01) 10/10/2024   07:35:27  ( -69.61,-118.05)   40.15                71
 10/12/2024   22:12:15   ( -70.12,  23.35) 10/12/2024   22:12:46  ( -70.13,  23.32)    2.06                31
 10/12/2024   23:03:00   (  70.04,-169.22) 10/12/2024   23:02:13  (  70.02,-169.20)    2.33                47
 10/15/2024   13:38:29   (  70.18, -28.29) 10/15/2024   13:39:36  (  70.18, -28.33)    1.70                67
 10/15/2024   14:29:11   ( -70.10, 139.15) 10/15/2024   14:29:05  ( -70.12, 139.22)    3.18                 6
 10/15/2024   15:19:49   (  69.66, -52.87) 10/15/2024   15:18:37  (  69.72, -53.69)   32.44                72
 10/18/2024   05:55:22   (  70.10,  87.61) 10/18/2024   05:55:52  (  70.12,  87.53)    3.70                30
 10/18/2024   06:46:04   ( -70.02,-104.95) 10/18/2024   06:45:22  ( -70.01,-104.99)    2.25                42