Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 6 5.  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)
 06/05/2024   14:52:56   (  70.08, -47.11) 06/05/2024   14:53:21  (  70.08, -47.12)    0.40                25
 06/05/2024   15:43:37   ( -69.95, 120.41) 06/05/2024   15:42:51  ( -69.97, 120.36)    2.49                46
 06/08/2024   06:19:12   ( -70.24, -98.90) 06/08/2024   06:20:23  ( -70.21, -98.69)    8.80                71
 06/08/2024   07:09:55   (  70.05,  68.69) 06/08/2024   07:09:51  (  70.05,  68.72)    1.41                 4
 06/08/2024   08:00:35   ( -69.87,-123.71) 06/08/2024   07:59:22  ( -69.88,-123.88)    6.25                73
 06/10/2024   22:36:09   ( -70.12,  17.04) 06/10/2024   22:36:53  ( -70.14,  17.10)    3.46                44
 06/10/2024   23:26:53   (  69.99,-175.45) 06/10/2024   23:26:21  (  69.98,-175.49)    1.81                32
 06/13/2024   14:02:36   (  70.72, -35.47) 06/13/2024   14:03:45  (  70.59, -33.99)   56.47                69
 06/13/2024   14:53:07   ( -70.06, 132.90) 06/13/2024   14:53:23  ( -70.05, 132.85)    2.29                16
 06/13/2024   15:43:51   (  69.93, -59.60) 06/13/2024   15:42:50  (  69.93, -59.66)    2.40                61
 06/16/2024   06:19:23   (  70.15,  81.20) 06/16/2024   06:20:20  (  70.13,  81.23)    2.65                57
 06/16/2024   07:10:04   ( -70.01,-111.27) 06/16/2024   07:09:50  ( -70.02,-111.29)    1.68                14
 06/16/2024   08:00:36   (  69.25,  57.16) 06/16/2024   07:59:28  (  69.30,  55.37)   70.75                68
 06/18/2024   22:36:20   (  70.06,-162.90) 06/18/2024   22:36:48  (  70.07,-162.96)    2.58                28
 06/18/2024   23:27:02   ( -69.97,   4.55) 06/18/2024   23:26:18  ( -69.97,   4.53)    1.07                44