Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 1 24.  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)
 01/24/2024   07:09:28   ( -70.99,-112.85) 01/24/2024   07:10:34  ( -70.87,-110.13)   99.70                66
 01/24/2024   07:59:54   (  69.93,  56.16) 01/24/2024   08:00:16  (  69.95,  56.16)    2.76                22
 01/24/2024   08:50:36   ( -69.85,-136.40) 01/24/2024   08:49:46  ( -69.84,-136.37)    2.18                50
 01/26/2024   23:26:03   ( -70.08,   4.41) 01/26/2024   23:27:15  ( -70.06,   4.55)    5.68                72
 01/27/2024   00:16:46   (  69.90, 171.99) 01/27/2024   00:16:43  (  69.89, 171.97)    0.86                 3
 01/27/2024   01:07:26   ( -69.72, -20.42) 01/27/2024   01:06:14  ( -69.73, -20.63)    8.13                72
 01/29/2024   15:42:53   ( -69.95, 120.39) 01/29/2024   15:43:42  ( -69.97, 120.32)    3.20                49
 01/29/2024   16:33:38   (  69.88, -72.20) 01/29/2024   16:33:09  (  69.86, -72.19)    2.95                29
 02/01/2024   07:09:18   (  70.82,  67.49) 02/01/2024   07:10:25  (  70.72,  69.68)   80.96                67
 02/01/2024   07:59:45   ( -69.94,-123.81) 02/01/2024   08:00:07  ( -69.95,-123.81)    1.05                22
 02/01/2024   08:50:29   (  69.82,  43.67) 02/01/2024   08:49:34  (  69.84,  43.68)    1.56                55
 02/03/2024   23:25:54   (  70.03,-175.48) 02/03/2024   23:27:01  (  70.01,-175.46)    2.75                67
 02/04/2024   00:16:35   ( -69.89,  -7.95) 02/04/2024   00:16:31  ( -69.90,  -7.98)    1.58                 4
 02/04/2024   01:07:14   (  69.51, 159.92) 02/04/2024   01:06:02  (  69.56, 159.20)   28.50                72
 02/06/2024   15:42:45   (  69.99, -59.63) 02/06/2024   15:43:25  (  69.97, -59.61)    2.54                40
 02/06/2024   16:33:26   ( -69.85, 107.90) 02/06/2024   16:32:55  ( -69.87, 107.87)    1.97                31