Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 5 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)
 05/05/2024   23:01:19   (  70.10,-169.30) 05/05/2024   23:02:07  (  70.12,-169.23)    3.09                48
 05/05/2024   23:52:00   ( -69.96,  -1.77) 05/05/2024   23:51:38  ( -69.95,  -1.83)    2.74                22
 05/08/2024   15:18:11   (  70.04, -53.42) 05/08/2024   15:18:37  (  70.06, -53.44)    2.73                26
 05/08/2024   16:08:52   ( -69.95, 114.03) 05/08/2024   16:08:06  ( -69.95, 114.04)    0.75                46
 05/11/2024   06:44:24   ( -70.41,-105.52) 05/11/2024   06:45:35  ( -70.30,-104.86)   27.33                71
 05/11/2024   07:35:03   (  70.04,  62.37) 05/11/2024   07:35:05  (  70.03,  62.39)    1.18                 2
 05/11/2024   08:25:45   ( -69.94,-130.17) 05/11/2024   08:24:35  ( -69.92,-130.12)    3.01                70
 05/13/2024   23:01:11   ( -70.10,  10.75) 05/13/2024   23:02:07  ( -70.08,  10.70)    2.98                56
 05/13/2024   23:51:55   (  69.99, 178.23) 05/13/2024   23:51:34  (  69.96, 178.18)    3.27                21
 05/14/2024   00:42:24   ( -69.21, -13.31) 05/14/2024   00:41:15  ( -69.26, -15.15)   72.40                69
 05/16/2024   15:18:04   ( -70.11, 126.52) 05/16/2024   15:18:34  ( -70.09, 126.60)    3.56                30
 05/16/2024   16:08:47   (  69.95, -65.93) 05/16/2024   16:08:01  (  69.98, -65.92)    2.81                46