Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 10 11.  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)
 10/11/2024   14:03:47   ( -70.17, 145.39) 10/11/2024   14:04:48  ( -70.17, 145.34)    2.01                61
 10/11/2024   14:54:32   (  70.08, -47.16) 10/11/2024   14:54:15  (  70.07, -47.16)    1.56                17
 10/11/2024   15:45:03   ( -69.43, 121.12) 10/11/2024   15:43:53  ( -69.51, 119.71)   55.56                70
 10/14/2024   06:20:40   ( -70.13, -98.77) 10/14/2024   06:21:10  ( -70.15, -98.77)    1.96                30
 10/14/2024   07:11:25   (  70.05,  68.66) 10/14/2024   07:10:37  (  70.03,  68.71)    2.62                48
 10/16/2024   21:46:49   (  70.20,-150.39) 10/16/2024   21:47:52  (  70.18,-150.40)    2.27                63
 10/16/2024   22:37:30   ( -70.08,  17.11) 10/16/2024   22:37:22  ( -70.06,  17.06)    2.89                 8
 10/16/2024   23:28:05   (  69.52,-174.75) 10/16/2024   23:26:55  (  69.54,-176.01)   48.93                70
 10/19/2024   13:13:05   ( -70.98, 156.85) 10/19/2024   13:14:13  ( -70.87, 158.98)   78.63                68
 10/19/2024   14:03:35   (  70.12, -34.47) 10/19/2024   14:03:51  (  70.13, -34.47)    0.70                16
 10/19/2024   14:54:16   ( -70.00, 133.04) 10/19/2024   14:53:21  ( -70.01, 132.99)    2.07                55
 10/22/2024   05:29:35   ( -70.14, -85.98) 10/22/2024   05:30:14  ( -70.16, -86.02)    2.34                39
 10/22/2024   06:20:20   (  70.08,  81.42) 10/22/2024   06:19:40  (  70.06,  81.49)    3.05                40
 10/24/2024   20:55:35   (  70.14,-137.47) 10/24/2024   20:56:23  (  70.16,-137.55)    3.53                48
 10/24/2024   21:46:17   ( -70.07,  29.96) 10/24/2024   21:45:52  ( -70.08,  29.97)    1.71                25