Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 2 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)
 02/06/2024   15:42:46   (  70.02, -59.67) 02/06/2024   15:43:50  (  70.04, -59.63)    3.16                64
 02/06/2024   16:33:27   ( -69.89, 107.84) 02/06/2024   16:33:21  ( -69.88, 107.77)    3.17                 6
 02/06/2024   17:24:04   (  69.39, -84.12) 02/06/2024   17:22:53  (  69.50, -85.10)   39.87                71
 02/09/2024   07:59:37   (  69.99,  56.16) 02/09/2024   08:00:20  (  70.01,  56.20)    2.26                43
 02/09/2024   08:50:19   ( -69.91,-136.40) 02/09/2024   08:49:50  ( -69.90,-136.33)    3.34                29
 02/12/2024   00:16:27   (  69.97, 171.98) 02/12/2024   00:16:49  (  69.94, 171.98)    3.47                22
 02/12/2024   01:07:08   ( -69.84, -20.50) 02/12/2024   01:06:19  ( -69.83, -20.54)    1.51                49
 02/14/2024   15:42:37   ( -70.23, 120.06) 02/14/2024   15:43:48  ( -70.18, 120.55)   19.52                71
 02/14/2024   16:33:17   (  69.91, -72.14) 02/14/2024   16:33:18  (  69.90, -72.20)    2.48                 1
 02/14/2024   17:23:59   ( -69.82,  95.31) 02/14/2024   17:22:48  ( -69.79,  95.29)    3.41                71
 02/17/2024   07:59:24   ( -70.02,-123.82) 02/17/2024   08:00:19  ( -70.00,-123.82)    2.59                55
 02/17/2024   08:50:08   (  69.91,  43.65) 02/17/2024   08:49:46  (  69.89,  43.67)    3.02                22
 02/17/2024   09:40:36   ( -69.08,-147.83) 02/17/2024   09:39:28  ( -69.12,-149.73)   75.56                68
 02/20/2024   00:16:14   ( -69.98,  -7.96) 02/20/2024   00:16:47  ( -69.96,  -8.00)    2.66                33
 02/20/2024   01:06:58   (  69.87, 159.51) 02/20/2024   01:06:14  (  69.84, 159.49)    3.37                44