Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 7 28.  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)
 07/30/2024   05:54:47   (  70.53,  86.90) 07/30/2024   05:55:58  (  70.41,  87.79)   35.51                71
 07/30/2024   06:45:22   ( -70.06,-105.04) 07/30/2024   06:45:32  ( -70.08,-105.06)    2.33                10
 07/30/2024   07:36:06   (  69.95,  62.43) 07/30/2024   07:34:59  (  69.98,  62.44)    2.73                67
 08/01/2024   22:11:37   (  70.16,-156.74) 08/01/2024   22:12:33  (  70.18,-156.67)    3.41                56
 08/01/2024   23:02:19   ( -70.05,  10.74) 08/01/2024   23:02:03  ( -70.07,  10.81)    3.54                16
 08/01/2024   23:52:50   (  69.26, 179.22) 08/01/2024   23:51:42  (  69.30, 177.40)   71.68                68
 08/04/2024   14:28:32   (  70.11, -40.89) 08/04/2024   14:29:03  (  70.13, -40.86)    2.93                31
 08/04/2024   15:19:14   ( -70.00, 126.59) 08/04/2024   15:18:34  ( -69.98, 126.55)    3.05                40
 08/07/2024   05:54:51   ( -70.53, -93.10) 08/07/2024   05:56:02  ( -70.44, -92.17)   35.90                71
 08/07/2024   06:45:28   (  70.07,  74.94) 08/07/2024   06:45:34  (  70.05,  74.91)    2.16                 6
 08/07/2024   07:36:10   ( -69.96,-117.57) 08/07/2024   07:35:04  ( -69.95,-117.59)    0.85                66
 08/09/2024   22:11:40   ( -70.13,  23.31) 08/09/2024   22:12:37  ( -70.11,  23.24)    3.24                57
 08/09/2024   23:02:24   (  70.04,-169.25) 08/09/2024   23:02:03  (  70.05,-169.20)    1.82                21