Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 2 7.  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)
 02/09/2024   07:59:36   (  69.96,  56.21) 02/09/2024   08:00:20  (  69.98,  56.16)    3.24                44
 02/09/2024   08:50:18   ( -69.88,-136.35) 02/09/2024   08:49:50  ( -69.87,-136.36)    1.17                28
 02/11/2024   23:26:01   ( -71.00,   3.03) 02/11/2024   23:27:07  ( -70.89,   5.72)   98.73                66
 02/12/2024   00:16:27   (  69.94, 172.03) 02/12/2024   00:16:49  (  69.96, 172.01)    2.51                22
 02/12/2024   01:07:09   ( -69.86, -20.53) 02/12/2024   01:06:19  ( -69.85, -20.51)    0.99                50
 02/14/2024   15:42:36   ( -70.20, 120.11) 02/14/2024   15:43:48  ( -70.13, 120.48)   16.37                72
 02/14/2024   16:33:17   (  69.93, -72.17) 02/14/2024   16:33:17  (  69.91, -72.18)    2.74                 0
 02/14/2024   17:23:58   ( -69.79,  95.36) 02/14/2024   17:22:47  ( -69.80,  95.30)    2.40                71
 02/17/2024   07:59:23   ( -69.99,-123.77) 02/17/2024   08:00:18  ( -69.99,-123.84)    2.36                55
 02/17/2024   08:50:07   (  69.88,  43.70) 02/17/2024   08:49:45  (  69.88,  43.65)    1.85                22
 02/17/2024   09:40:35   ( -69.05,-147.78) 02/17/2024   09:39:27  ( -69.11,-149.74)   78.03                68
 02/20/2024   00:16:14   ( -70.00,  -7.99) 02/20/2024   00:16:45  ( -69.98,  -7.96)    2.56                31
 02/20/2024   01:06:57   (  69.84, 159.55) 02/20/2024   01:06:12  (  69.87, 159.53)    3.00                45