Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 2 20.  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)
 02/22/2024   15:42:49   (  70.05, -59.71) 02/22/2024   15:43:47  (  70.03, -59.67)    2.65                58
 02/22/2024   16:33:30   ( -69.91, 107.82) 02/22/2024   16:33:17  ( -69.91, 107.80)    0.81                13
 02/22/2024   17:24:03   (  69.19, -83.84) 02/22/2024   17:22:54  (  69.25, -85.44)   63.57                69
 02/25/2024   07:59:47   (  69.95,  56.19) 02/25/2024   08:00:16  (  69.96,  56.12)    3.22                29
 02/25/2024   08:50:29   ( -69.86,-136.36) 02/25/2024   08:49:46  ( -69.85,-136.41)    2.45                43
 02/27/2024   23:26:04   ( -70.14,   4.35) 02/27/2024   23:27:16  ( -70.08,   4.53)    9.24                72
 02/28/2024   00:16:46   (  69.91, 172.00) 02/28/2024   00:16:44  (  69.92, 171.95)    2.21                 2
 02/28/2024   01:07:27   ( -69.77, -20.47) 02/28/2024   01:06:14  ( -69.81, -20.58)    6.12                73
 03/01/2024   15:43:01   ( -70.01, 120.31) 03/01/2024   15:43:44  ( -70.01, 120.32)    0.88                43
 03/01/2024   16:33:45   (  69.89, -72.21) 03/01/2024   16:33:11  (  69.91, -72.19)    1.87                34
 03/04/2024   07:09:24   (  70.46,  68.04) 03/04/2024   07:10:35  (  70.35,  69.06)   39.59                71
 03/04/2024   07:59:59   ( -69.99,-123.91) 03/04/2024   08:00:10  ( -69.97,-123.86)    3.00                11
 03/04/2024   08:50:43   (  69.88,  43.57) 03/04/2024   08:49:37  (  69.86,  43.63)    3.33                66