Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 2 25.  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)
 02/26/2024   15:17:48   ( -70.88, 125.28) 02/26/2024   15:18:55  ( -70.80, 127.68)   87.94                67
 02/26/2024   16:08:16   (  69.91, -65.88) 02/26/2024   16:08:36  (  69.93, -65.94)    3.08                20
 02/26/2024   16:58:58   ( -69.83, 101.56) 02/26/2024   16:58:06  ( -69.82, 101.54)    1.66                52
 02/29/2024   07:34:31   ( -70.01,-117.58) 02/29/2024   07:35:40  ( -69.99,-117.63)    3.07                69
 02/29/2024   08:25:15   (  69.89,  49.92) 02/29/2024   08:25:07  (  69.89,  49.87)    1.93                 8
 02/29/2024   09:15:52   ( -69.53,-142.24) 02/29/2024   09:14:40  ( -69.61,-142.88)   26.05                72
 03/02/2024   23:51:30   ( -69.99,  -1.79) 03/02/2024   23:52:09  ( -70.00,  -1.74)    2.31                39
 03/03/2024   00:42:14   (  69.87, 165.70) 03/03/2024   00:41:36  (  69.89, 165.75)    3.40                38
 03/05/2024   15:17:52   (  70.39, -53.97) 03/05/2024   15:19:03  (  70.28, -53.09)   34.98                71
 03/05/2024   16:08:27   ( -69.93, 114.07) 03/05/2024   16:08:38  ( -69.90, 114.00)    3.58                11
 03/05/2024   16:59:11   (  69.81, -78.45) 03/05/2024   16:58:05  (  69.79, -78.51)    3.17                66
 03/08/2024   07:34:44   (  70.03,  62.36) 03/08/2024   07:35:35  (  70.01,  62.41)    2.32                51
 03/08/2024   08:25:26   ( -69.92,-130.17) 03/08/2024   08:25:05  ( -69.91,-130.10)    3.02                21