Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 8 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)
 08/15/2024   05:54:54   (  70.58,  86.84) 08/15/2024   05:56:04  (  70.47,  87.88)   40.11                70
 08/15/2024   06:45:29   ( -70.11,-105.09) 08/15/2024   06:45:39  ( -70.09,-105.05)    2.75                10
 08/15/2024   07:36:12   (  69.95,  62.45) 08/15/2024   07:35:06  (  69.98,  62.45)    3.39                66
 08/17/2024   22:11:40   (  70.14,-156.69) 08/17/2024   22:12:38  (  70.14,-156.71)    0.83                58
 08/17/2024   23:02:22   ( -70.04,  10.79) 08/17/2024   23:02:08  ( -70.03,  10.77)    0.92                14
 08/17/2024   23:52:54   (  69.30, 179.18) 08/17/2024   23:51:45  (  69.37, 177.51)   66.33                69
 08/20/2024   14:28:33   (  70.12, -40.86) 08/20/2024   14:29:05  (  70.11, -40.86)    0.77                32
 08/20/2024   15:19:14   ( -70.01, 126.62) 08/20/2024   15:18:34  ( -70.00, 126.62)    0.73                40
 08/23/2024   05:54:47   ( -70.53, -93.04) 08/23/2024   05:55:58  ( -70.43, -92.14)   35.21                71
 08/23/2024   06:45:24   (  70.07,  74.99) 08/23/2024   06:45:29  (  70.09,  75.02)    2.35                 5
 08/23/2024   07:36:06   ( -69.96,-117.52) 08/23/2024   07:34:59  ( -69.99,-117.50)    2.68                67
 08/25/2024   22:11:32   ( -70.16,  23.34) 08/25/2024   22:12:26  ( -70.16,  23.38)    1.22                54
 08/25/2024   23:02:15   (  70.01,-169.13) 08/25/2024   23:01:53  (  70.04,-169.15)    2.86                22