Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 5 6.  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)
 05/07/2024   06:19:16   ( -70.98,-100.14) 05/07/2024   06:20:23  ( -70.91, -97.78)   85.74                67
 05/07/2024   07:09:45   (  70.08,  68.62) 05/07/2024   07:10:03  (  70.10,  68.66)    2.70                18
 05/07/2024   08:00:27   ( -69.99,-123.93) 05/07/2024   07:59:33  ( -69.99,-123.87)    2.50                54
 05/09/2024   22:35:53   ( -70.14,  17.01) 05/09/2024   22:37:04  ( -70.16,  16.98)    2.66                71
 05/09/2024   23:26:37   (  70.03,-175.51) 05/09/2024   23:26:31  (  70.06,-175.53)    3.37                 6
 05/10/2024   00:17:16   ( -69.78,  -7.82) 05/10/2024   00:16:03  ( -69.83,  -8.20)   15.94                73
 05/12/2024   14:52:45   ( -70.14, 132.79) 05/12/2024   14:53:30  ( -70.14, 132.83)    1.60                45
 05/12/2024   15:43:29   (  70.03, -59.73) 05/12/2024   15:42:57  (  70.03, -59.68)    2.00                32
 05/15/2024   06:19:08   (  70.88,  80.08) 05/15/2024   06:20:16  (  70.80,  82.05)   72.61                68
 05/15/2024   07:09:37   ( -70.10,-111.36) 05/15/2024   07:09:57  ( -70.09,-111.36)    2.00                20
 05/15/2024   08:00:21   (  69.99,  56.11) 05/15/2024   07:59:24  (  69.97,  56.12)    2.35                57
 05/17/2024   22:35:47   (  70.17,-162.99) 05/17/2024   22:36:53  (  70.16,-163.00)    1.09                66
 05/17/2024   23:26:29   ( -70.07,   4.47) 05/17/2024   23:26:23  ( -70.05,   4.48)    2.32                 6
 05/18/2024   00:17:06   (  69.59, 172.50) 05/18/2024   00:15:55  (  69.66, 171.58)   36.16                71