Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 9 27.  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)
 09/28/2024   06:20:24   ( -70.17, -98.80) 09/28/2024   06:21:08  ( -70.15, -98.78)    2.13                44
 09/28/2024   07:11:08   (  70.03,  68.72) 09/28/2024   07:10:35  (  70.04,  68.72)    1.86                33
 09/30/2024   21:46:49   (  70.60,-151.04) 09/30/2024   21:47:59  (  70.48,-150.03)   39.62                70
 09/30/2024   22:37:23   ( -70.10,  17.06) 09/30/2024   22:37:34  ( -70.09,  17.04)    1.21                11
 09/30/2024   23:28:07   (  69.96,-175.42) 09/30/2024   23:27:01  (  69.98,-175.47)    2.91                66
 10/03/2024   14:03:40   (  70.13, -34.54) 10/03/2024   14:04:29  (  70.14, -34.62)    3.12                49
 10/03/2024   14:54:22   ( -70.05, 132.90) 10/03/2024   14:53:59  ( -70.03, 132.86)    2.92                23
 10/06/2024   05:30:06   ( -70.86, -87.26) 10/06/2024   05:31:14  ( -70.79, -85.40)   68.80                68
 10/06/2024   06:20:38   (  70.10,  81.26) 10/06/2024   06:20:51  (  70.13,  81.27)    2.56                13
 10/06/2024   07:11:20   ( -70.03,-111.30) 10/06/2024   07:10:21  ( -70.02,-111.25)    2.19                59
 10/08/2024   21:46:52   ( -70.18,  29.60) 10/08/2024   21:47:47  ( -70.17,  29.60)    0.51                55
 10/08/2024   22:37:36   (  70.05,-162.89) 10/08/2024   22:37:14  (  70.05,-162.92)    1.31                22