Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 2 18.  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)
 02/19/2024   23:26:01   (  70.67,-176.45) 02/19/2024   23:27:09  (  70.56,-174.78)   63.14                68
 02/20/2024   00:16:31   ( -69.96,  -8.01) 02/20/2024   00:16:48  ( -69.95,  -8.03)    1.57                17
 02/20/2024   01:07:15   (  69.83, 159.49) 02/20/2024   01:06:15  (  69.85, 159.48)    2.12                60
 02/22/2024   15:42:49   (  70.04, -59.70) 02/22/2024   15:43:47  (  70.03, -59.67)    2.28                58
 02/22/2024   16:33:30   ( -69.90, 107.82) 02/22/2024   16:33:17  ( -69.91, 107.80)    1.16                13
 02/22/2024   17:24:03   (  69.19, -83.83) 02/22/2024   17:22:54  (  69.26, -85.44)   63.70                69
 02/25/2024   07:59:48   (  70.01,  56.11) 02/25/2024   08:00:15  (  70.01,  56.18)    2.87                27
 02/25/2024   08:50:29   ( -69.86,-136.36) 02/25/2024   08:49:45  ( -69.89,-136.34)    3.44                44
 02/27/2024   23:26:04   ( -70.15,   4.33) 02/27/2024   23:27:15  ( -70.11,   4.57)   10.05                71
 02/28/2024   00:16:46   (  69.93, 171.98) 02/28/2024   00:16:43  (  69.95, 171.99)    2.24                 3
 02/28/2024   01:07:27   ( -69.78, -20.48) 02/28/2024   01:06:14  ( -69.78, -20.61)    4.92                73
 03/01/2024   15:43:00   ( -70.03, 120.27) 03/01/2024   15:43:42  ( -70.02, 120.33)    2.51                42
 03/01/2024   16:33:44   (  69.92, -72.25) 03/01/2024   16:33:09  (  69.91, -72.18)    2.74                35