Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 11 13.  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)
 11/13/2024   21:22:34   (  70.22,-144.18) 11/13/2024   21:23:37  (  70.23,-144.25)    2.86                63
 11/13/2024   22:13:16   ( -70.13,  23.28) 11/13/2024   22:13:07  ( -70.13,  23.23)    1.74                 9
 11/13/2024   23:03:52   (  69.58,-168.59) 11/13/2024   23:02:42  (  69.58,-169.88)   49.98                70
 11/16/2024   13:39:38   (  70.20, -28.43) 11/16/2024   13:40:11  (  70.19, -28.44)    1.39                33
 11/16/2024   14:30:20   ( -70.11, 139.04) 11/16/2024   14:29:41  ( -70.09, 139.04)    1.76                39
 11/19/2024   05:06:02   ( -70.53, -80.52) 11/19/2024   05:07:14  ( -70.42, -79.89)   26.52                72
 11/19/2024   05:56:41   (  70.15,  87.37) 11/19/2024   05:56:44  (  70.14,  87.35)    1.77                 3
 11/19/2024   06:47:23   ( -70.05,-105.15) 11/19/2024   06:46:14  ( -70.04,-105.16)    1.09                69
 11/21/2024   21:22:59   ( -70.23,  35.68) 11/21/2024   21:23:47  ( -70.25,  35.73)    2.62                48
 11/21/2024   22:13:43   (  70.12,-156.85) 11/21/2024   22:13:14  (  70.13,-156.79)    2.47                29
 11/24/2024   12:49:30   (  70.86, -16.91) 11/24/2024   12:50:39  (  70.76, -15.26)   61.46                69
 11/24/2024   13:40:01   ( -70.16, 151.51) 11/24/2024   13:40:18  ( -70.17, 151.50)    1.17                17
 11/24/2024   14:30:45   (  70.06, -41.02) 11/24/2024   14:29:45  (  70.05, -41.02)    1.00                60