Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 3 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)
 03/06/2024   23:26:15   (  70.04,-175.55) 03/06/2024   23:27:06  (  70.05,-175.49)    2.44                51
 03/07/2024   00:16:57   ( -69.95,  -8.09) 03/07/2024   00:16:36  ( -69.93,  -8.03)    3.34                21
 03/07/2024   01:07:25   (  68.98, 160.62) 03/07/2024   01:06:18  (  69.00, 158.37)   89.60                67
 03/09/2024   14:52:45   ( -70.95, 131.45) 03/09/2024   14:53:51  ( -70.88, 133.97)   91.75                66
 03/09/2024   15:43:13   (  69.99, -59.72) 03/09/2024   15:43:32  (  70.01, -59.66)    2.80                19
 03/09/2024   16:33:55   ( -69.90, 107.74) 03/09/2024   16:33:02  ( -69.89, 107.80)    2.47                53
 03/12/2024   07:09:27   ( -70.07,-111.38) 03/12/2024   07:10:31  ( -70.05,-111.37)    2.54                64
 03/12/2024   08:00:11   (  69.96,  56.10) 03/12/2024   07:59:58  (  69.94,  56.13)    2.02                13
 03/12/2024   08:50:45   ( -69.44,-135.81) 03/12/2024   08:49:34  ( -69.49,-136.85)   40.83                71
 03/14/2024   23:26:24   ( -69.98,   4.51) 03/14/2024   23:26:56  ( -70.01,   4.47)    2.95                32
 03/15/2024   00:17:08   (  69.88, 171.98) 03/15/2024   00:16:23  (  69.90, 171.97)    2.60                45
 03/17/2024   14:52:39   (  70.07, -47.17) 03/17/2024   14:53:50  (  70.05, -47.20)    2.18                71
 03/17/2024   15:43:21   ( -69.96, 120.31) 03/17/2024   15:43:20  ( -69.94, 120.28)    2.74                 1
 03/17/2024   16:34:01   (  69.65, -71.91) 03/17/2024   16:32:49  (  69.72, -72.39)   19.88                72