Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 7 5.  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)
 07/06/2024   05:54:35   ( -70.85, -93.61) 07/06/2024   05:55:43  ( -70.73, -91.74)   69.51                68
 07/06/2024   06:45:07   (  70.10,  74.90) 07/06/2024   06:45:20  (  70.09,  74.95)    2.13                13
 07/06/2024   07:35:48   ( -69.96,-117.57) 07/06/2024   07:34:50  ( -69.98,-117.57)    1.87                58
 07/08/2024   22:11:19   ( -70.14,  23.29) 07/08/2024   22:12:26  ( -70.16,  23.27)    1.54                67
 07/08/2024   23:02:03   (  70.03,-169.22) 07/08/2024   23:01:53  (  70.05,-169.23)    3.29                10
 07/08/2024   23:52:39   ( -69.62,  -1.29) 07/08/2024   23:51:27  ( -69.73,  -2.05)   31.65                72
 07/11/2024   14:28:15   ( -70.13, 139.09) 07/11/2024   14:28:57  ( -70.15, 139.14)    3.03                42
 07/11/2024   15:18:59   (  70.01, -53.43) 07/11/2024   15:18:25  (  69.99, -53.45)    2.95                34
 07/14/2024   05:54:42   (  70.85,  86.39) 07/14/2024   05:55:50  (  70.70,  88.20)   68.29                68
 07/14/2024   06:45:11   ( -70.06,-105.05) 07/14/2024   06:45:30  ( -70.05,-105.12)    3.15                19
 07/14/2024   07:35:55   (  69.95,  62.43) 07/14/2024   07:34:57  (  69.94,  62.37)    2.77                58
 07/16/2024   22:11:26   (  70.17,-156.75) 07/16/2024   22:12:31  (  70.13,-156.76)    3.59                65
 07/16/2024   23:02:08   ( -70.06,  10.72) 07/16/2024   23:02:01  ( -70.04,  10.73)    3.05                 7
 07/16/2024   23:52:44   (  69.53, 178.82) 07/16/2024   23:51:34  (  69.59, 177.76)   41.73                70