Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 11 30.  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)
 12/02/2024   13:39:25   (  70.22, -28.45) 12/02/2024   13:40:19  (  70.20, -28.45)    1.99                54
 12/02/2024   14:30:07   ( -70.11, 139.04) 12/02/2024   14:29:49  ( -70.09, 139.02)    2.34                18
 12/02/2024   15:20:36   (  69.22, -52.35) 12/02/2024   15:19:29  (  69.27, -54.46)   83.61                67
 12/05/2024   05:56:16   (  70.16,  87.43) 12/05/2024   05:56:45  (  70.16,  87.38)    1.87                29
 12/05/2024   06:46:58   ( -70.04,-105.08) 12/05/2024   06:46:15  ( -70.05,-105.15)    2.48                43
 12/07/2024   21:22:29   ( -70.46,  35.42) 12/07/2024   21:23:41  ( -70.38,  35.95)   21.68                72
 12/07/2024   22:13:08   (  70.11,-156.73) 12/07/2024   22:13:11  (  70.11,-156.80)    2.77                 3
 12/07/2024   23:03:51   ( -70.05,  10.68) 12/07/2024   23:02:40  ( -70.05,  10.76)    2.79                71
 12/10/2024   13:39:17   ( -70.22, 151.57) 12/10/2024   13:40:08  ( -70.21, 151.61)    1.80                51
 12/10/2024   14:30:00   (  70.09, -40.92) 12/10/2024   14:29:35  (  70.10, -40.91)    0.85                25
 12/10/2024   15:20:26   ( -69.12, 127.81) 12/10/2024   15:19:19  ( -69.22, 125.52)   91.03                67
 12/13/2024   05:05:42   (  71.12,  98.56) 12/13/2024   05:06:48  (  71.01, 101.08)   91.74                66
 12/13/2024   05:56:08   ( -70.16, -92.56) 12/13/2024   05:56:32  ( -70.14, -92.59)    2.68                24
 12/13/2024   06:46:51   (  70.03,  74.95) 12/13/2024   06:45:59  (  70.02,  74.89)    2.67                52