Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 5 8.  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)
 05/09/2024   22:35:53   ( -70.15,  16.99) 05/09/2024   22:37:04  ( -70.15,  16.97)    0.89                71
 05/09/2024   23:26:37   (  70.03,-175.52) 05/09/2024   23:26:31  (  70.05,-175.53)    1.83                 6
 05/10/2024   00:17:16   ( -69.79,  -7.84) 05/10/2024   00:16:03  ( -69.83,  -8.21)   14.97                73
 05/12/2024   14:52:46   ( -70.16, 132.77) 05/12/2024   14:53:31  ( -70.13, 132.82)    3.16                45
 05/12/2024   15:43:30   (  70.04, -59.75) 05/12/2024   15:42:58  (  70.03, -59.68)    2.90                32
 05/15/2024   06:19:08   (  70.89,  80.06) 05/15/2024   06:20:16  (  70.79,  82.04)   73.33                68
 05/15/2024   07:09:36   ( -70.07,-111.30) 05/15/2024   07:09:57  ( -70.08,-111.37)    2.93                21
 05/15/2024   08:00:20   (  69.95,  56.17) 05/15/2024   07:59:24  (  69.97,  56.12)    2.78                56
 05/17/2024   22:35:47   (  70.18,-163.01) 05/17/2024   22:36:53  (  70.15,-163.01)    3.20                66
 05/17/2024   23:26:28   ( -70.04,   4.53) 05/17/2024   23:26:23  ( -70.05,   4.47)    2.30                 5
 05/18/2024   00:17:06   (  69.61, 172.47) 05/18/2024   00:15:55  (  69.66, 171.57)   35.23                71
 05/20/2024   14:52:38   (  70.11, -47.12) 05/20/2024   14:53:18  (  70.14, -47.14)    2.88                40
 05/20/2024   15:43:20   ( -70.02, 120.34) 05/20/2024   15:42:48  ( -70.03, 120.34)    1.30                32