Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 3 4.  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)
 03/04/2024   07:09:24   (  70.46,  68.04) 03/04/2024   07:10:35  (  70.35,  69.04)   39.10                71
 03/04/2024   07:59:58   ( -69.95,-123.85) 03/04/2024   08:00:10  ( -69.95,-123.90)    1.82                12
 03/04/2024   08:50:43   (  69.88,  43.57) 03/04/2024   08:49:37  (  69.85,  43.62)    3.22                66
 03/06/2024   23:26:15   (  70.03,-175.53) 03/06/2024   23:27:06  (  70.04,-175.51)    1.33                51
 03/07/2024   00:16:57   ( -69.94,  -8.08) 03/07/2024   00:16:36  ( -69.92,  -8.05)    2.65                21
 03/07/2024   01:07:24   (  68.91, 160.71) 03/07/2024   01:06:18  (  68.99, 158.35)   94.27                66
 03/09/2024   14:52:45   ( -70.94, 131.47) 03/09/2024   14:53:51  ( -70.84, 133.91)   89.39                66
 03/09/2024   15:43:13   (  69.98, -59.70) 03/09/2024   15:43:32  (  69.97, -59.72)    1.66                19
 03/09/2024   16:33:55   ( -69.89, 107.76) 03/09/2024   16:33:01  ( -69.91, 107.83)    3.13                54
 03/12/2024   07:09:27   ( -70.06,-111.36) 03/12/2024   07:10:29  ( -70.08,-111.32)    2.80                62
 03/12/2024   08:00:11   (  69.94,  56.12) 03/12/2024   07:59:57  (  69.92,  56.10)    3.34                14
 03/12/2024   08:50:44   ( -69.37,-135.72) 03/12/2024   08:49:34  ( -69.41,-136.95)   48.31                70
 03/14/2024   23:26:23   ( -69.97,   4.53) 03/14/2024   23:26:53  ( -69.99,   4.46)    3.45                30
 03/15/2024   00:17:07   (  69.86, 172.00) 03/15/2024   00:16:20  (  69.88, 171.95)    2.61                47
 03/17/2024   14:52:39   (  70.06, -47.15) 03/17/2024   14:53:46  (  70.08, -47.14)    3.10                67
 03/17/2024   15:43:21   ( -69.95, 120.33) 03/17/2024   15:43:16  ( -69.97, 120.34)    2.63                 5
 03/17/2024   16:33:59   (  69.53, -71.74) 03/17/2024   16:32:48  (  69.58, -72.56)   32.27                71