Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 5 26.  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)
 05/27/2024   06:44:13   ( -70.17,-105.08) 05/27/2024   06:45:25  ( -70.18,-105.03)    2.03                72
 05/27/2024   07:34:57   (  70.03,  62.43) 05/27/2024   07:34:53  (  70.02,  62.39)    2.44                 4
 05/27/2024   08:25:37   ( -69.85,-129.97) 05/27/2024   08:24:23  ( -69.90,-130.14)    8.73                74
 05/29/2024   23:01:12   ( -70.11,  10.77) 05/29/2024   23:01:52  ( -70.12,  10.77)    0.60                40
 05/29/2024   23:51:56   (  69.98, 178.28) 05/29/2024   23:51:19  (  70.01, 178.26)    3.43                37
 06/01/2024   14:27:33   (  70.41, -41.26) 06/01/2024   14:28:45  (  70.29, -40.73)   24.14                72
 06/01/2024   15:18:10   ( -70.07, 126.60) 06/01/2024   15:18:17  ( -70.07, 126.59)    0.49                 7
 06/01/2024   16:08:54   (  69.94, -65.90) 06/01/2024   16:07:44  (  69.96, -65.92)    2.75                70
 06/04/2024   06:44:27   (  70.12,  74.95) 06/04/2024   06:45:12  (  70.15,  74.96)    3.43                45
 06/04/2024   07:35:09   ( -70.03,-117.60) 06/04/2024   07:34:42  ( -70.04,-117.56)    1.49                27
 06/06/2024   22:10:52   ( -70.75,  22.40) 06/06/2024   22:12:01  ( -70.68,  23.99)   58.89                69
 06/06/2024   23:01:26   (  70.10,-169.26) 06/06/2024   23:01:37  (  70.08,-169.25)    2.80                11
 06/06/2024   23:52:07   ( -69.96,  -1.73) 06/06/2024   23:51:07  ( -69.97,  -1.77)    1.56                60