Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 6 24.  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)
 06/24/2024   06:19:32   ( -70.16, -98.83) 06/24/2024   06:20:34  ( -70.16, -98.77)    2.31                62
 06/24/2024   07:10:16   (  70.03,  68.68) 06/24/2024   07:10:02  (  70.00,  68.66)    2.85                14
 06/24/2024   08:00:49   ( -69.48,-123.18) 06/24/2024   07:59:38  ( -69.56,-124.32)   45.45                71
 06/26/2024   22:36:29   ( -70.09,  17.05) 06/26/2024   22:37:06  ( -70.07,  16.99)    2.72                37
 06/26/2024   23:27:13   (  69.96,-175.45) 06/26/2024   23:26:33  (  69.97,-175.51)    2.65                40
 06/29/2024   14:02:51   (  70.48, -35.12) 06/29/2024   14:04:02  (  70.40, -34.28)   32.13                71
 06/29/2024   14:53:27   ( -70.08, 132.83) 06/29/2024   14:53:36  ( -70.07, 132.87)    1.73                 9
 06/29/2024   15:44:11   (  69.95, -59.67) 06/29/2024   15:43:03  (  69.97, -59.63)    2.49                68
 07/02/2024   06:19:41   (  70.11,  81.23) 07/02/2024   06:20:36  (  70.10,  81.16)    2.68                55
 07/02/2024   07:10:23   ( -70.02,-111.32) 07/02/2024   07:10:06  ( -69.99,-111.36)    3.28                17
 07/02/2024   08:00:53   (  69.16,  57.25) 07/02/2024   07:59:45  (  69.22,  55.24)   79.97                68
 07/04/2024   22:36:39   (  70.12,-163.02) 07/04/2024   22:37:05  (  70.10,-162.95)    2.93                26
 07/04/2024   23:27:20   ( -69.97,   4.53) 07/04/2024   23:26:35  ( -70.00,   4.53)    3.03                45
 07/07/2024   14:02:54   ( -70.29, 145.17) 07/07/2024   14:04:06  ( -70.24, 145.49)   13.34                72
 07/07/2024   14:53:35   (  70.02, -47.11) 07/07/2024   14:53:35  (  70.02, -47.18)    2.64                 0
 07/07/2024   15:44:17   ( -69.93, 120.36) 07/07/2024   15:43:05  ( -69.92, 120.31)    2.08                72