Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 10 9.  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)
 10/10/2024   05:55:20   ( -70.19, -92.52) 10/10/2024   05:56:25  ( -70.19, -92.53)    0.22                65
 10/10/2024   06:46:05   (  70.10,  74.92) 10/10/2024   06:45:52  (  70.08,  74.96)    2.55                13
 10/10/2024   07:36:39   ( -69.61,-117.03) 10/10/2024   07:35:28  ( -69.64,-118.02)   38.60                71
 10/12/2024   22:12:16   ( -70.17,  23.28) 10/12/2024   22:12:47  ( -70.17,  23.35)    2.83                31
 10/12/2024   23:03:00   (  70.03,-169.21) 10/12/2024   23:02:14  (  70.05,-169.16)    3.22                46
 10/15/2024   13:38:30   (  70.21, -28.33) 10/15/2024   13:39:39  (  70.19, -28.33)    1.54                69
 10/15/2024   14:29:11   ( -70.08, 139.19) 10/15/2024   14:29:09  ( -70.08, 139.15)    1.54                 2
 10/15/2024   15:19:51   (  69.73, -52.99) 10/15/2024   15:18:39  (  69.80, -53.61)   24.85                72
 10/18/2024   05:55:25   (  70.16,  87.52) 10/18/2024   05:55:58  (  70.15,  87.54)    1.23                33
 10/18/2024   06:46:06   ( -70.03,-104.96) 10/18/2024   06:45:28  ( -70.04,-104.99)    1.51                38
 10/20/2024   21:21:36   ( -70.27,  35.82) 10/20/2024   21:22:47  ( -70.27,  36.01)    6.86                71
 10/20/2024   22:12:19   (  70.09,-156.60) 10/20/2024   22:12:15  (  70.09,-156.61)    0.42                 4
 10/20/2024   23:02:59   ( -69.91,  11.01) 10/20/2024   23:01:46  ( -69.93,  10.79)    8.36                73