Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 5 28.  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)
 05/29/2024   23:01:12   ( -70.11,  10.76) 05/29/2024   23:01:52  ( -70.11,  10.76)    0.31                40
 05/29/2024   23:51:56   (  69.98, 178.27) 05/29/2024   23:51:19  (  70.01, 178.26)    3.10                37
 06/01/2024   14:27:33   (  70.40, -41.25) 06/01/2024   14:28:45  (  70.31, -40.71)   23.21                72
 06/01/2024   15:18:10   ( -70.06, 126.60) 06/01/2024   15:18:17  ( -70.08, 126.61)    2.40                 7
 06/01/2024   16:08:55   (  69.98, -65.97) 06/01/2024   16:07:44  (  69.97, -65.90)    2.84                71
 06/04/2024   06:44:28   (  70.15,  74.90) 06/04/2024   06:45:13  (  70.13,  74.94)    2.36                45
 06/04/2024   07:35:09   ( -70.02,-117.57) 06/04/2024   07:34:43  ( -70.02,-117.59)    0.86                26
 06/06/2024   22:10:53   ( -70.77,  22.37) 06/06/2024   22:12:02  ( -70.70,  24.02)   60.93                69
 06/06/2024   23:01:26   (  70.07,-169.21) 06/06/2024   23:01:38  (  70.10,-169.22)    3.49                12
 06/06/2024   23:52:08   ( -69.98,  -1.76) 06/06/2024   23:51:08  ( -69.99,  -1.74)    0.87                60
 06/09/2024   14:27:41   ( -70.17, 139.09) 06/09/2024   14:28:36  ( -70.14, 139.09)    2.60                55
 06/09/2024   15:18:25   (  70.04, -53.41) 06/09/2024   15:18:03  (  70.03, -53.42)    1.55                22