Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 5 23.  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)
 05/24/2024   15:17:58   (  70.11, -53.43) 05/24/2024   15:18:25  (  70.10, -53.38)    2.22                27
 05/24/2024   16:08:39   ( -69.97, 114.09) 05/24/2024   16:07:55  ( -69.99, 114.09)    1.61                44
 05/27/2024   06:44:13   ( -70.17,-105.08) 05/27/2024   06:45:25  ( -70.18,-105.03)    2.29                72
 05/27/2024   07:34:57   (  70.04,  62.43) 05/27/2024   07:34:53  (  70.02,  62.39)    2.76                 4
 05/27/2024   08:25:37   ( -69.85,-129.97) 05/27/2024   08:24:23  ( -69.90,-130.14)    9.08                74
 05/29/2024   23:01:12   ( -70.11,  10.77) 05/29/2024   23:01:52  ( -70.10,  10.75)    0.97                40
 05/29/2024   23:51:56   (  69.98, 178.27) 05/29/2024   23:51:19  (  69.99, 178.24)    1.78                37
 06/01/2024   14:27:33   (  70.42, -41.27) 06/01/2024   14:28:44  (  70.31, -40.70)   24.56                71
 06/01/2024   15:18:10   ( -70.07, 126.59) 06/01/2024   15:18:16  ( -70.09, 126.62)    2.45                 6
 06/01/2024   16:08:54   (  69.94, -65.91) 06/01/2024   16:07:44  (  69.92, -65.97)    3.52                70
 06/04/2024   06:44:27   (  70.13,  74.94) 06/04/2024   06:45:11  (  70.13,  74.94)    0.20                44
 06/04/2024   07:35:09   ( -70.04,-117.61) 06/04/2024   07:34:41  ( -70.02,-117.58)    2.27                28