Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 6 29.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-21) NOAA-21 Lat/Lon Date Time(LANDSAT-8) LANDSAT-8 Lat/Lon    Distance(km)  Time Diff(sec)
 06/29/2024   14:02:51   (  70.51, -35.17) 06/29/2024   14:04:01  (  70.41, -34.27)   35.33                70
 06/29/2024   14:53:26   ( -70.07, 132.85) 06/29/2024   14:53:35  ( -70.07, 132.87)    1.21                 9
 06/29/2024   15:44:10   (  69.94, -59.64) 06/29/2024   15:43:03  (  69.92, -59.70)    2.68                67
 07/02/2024   06:19:41   (  70.10,  81.24) 07/02/2024   06:20:35  (  70.13,  81.20)    3.09                54
 07/02/2024   07:10:23   ( -70.02,-111.31) 07/02/2024   07:10:05  ( -70.01,-111.33)    0.99                18
 07/02/2024   08:00:53   (  69.15,  57.27) 07/02/2024   07:59:45  (  69.19,  55.20)   81.81                68
 07/04/2024   22:36:38   (  70.07,-162.94) 07/04/2024   22:37:04  (  70.07,-162.98)    1.61                26
 07/04/2024   23:27:20   ( -69.98,   4.51) 07/04/2024   23:26:34  ( -69.96,   4.49)    2.34                46
 07/07/2024   14:02:51   ( -70.22, 145.29) 07/07/2024   14:04:03  ( -70.20, 145.44)    6.12                72
 07/07/2024   14:53:34   (  70.05, -47.14) 07/07/2024   14:53:31  (  70.04, -47.14)    1.69                 3
 07/07/2024   15:44:14   ( -69.85, 120.48) 07/07/2024   15:43:02  ( -69.87, 120.26)    8.63                72
 07/10/2024   06:19:46   ( -70.10, -98.76) 07/10/2024   06:20:31  ( -70.12, -98.77)    2.40                45
 07/10/2024   07:10:30   (  69.99,  68.72) 07/10/2024   07:09:58  (  70.01,  68.71)    2.23                32
 07/12/2024   21:46:11   (  70.73,-151.30) 07/12/2024   21:47:20  (  70.60,-149.80)   56.80                69
 07/12/2024   22:36:42   ( -70.04,  17.10) 07/12/2024   22:36:58  ( -70.05,  17.03)    2.79                16
 07/12/2024   23:27:26   (  69.94,-175.43) 07/12/2024   23:26:25  (  69.94,-175.48)    1.93                61