Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 1 22.  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   07:59:54   (  69.90,  56.20) 01/24/2024   08:00:17  (  69.92,  56.12)    3.63                23
 01/24/2024   08:50:36   ( -69.83,-136.37) 01/24/2024   08:49:47  ( -69.81,-136.40)    2.26                49
 01/26/2024   23:26:04   ( -70.10,   4.37) 01/26/2024   23:27:15  ( -70.09,   4.60)    8.80                71
 01/27/2024   00:16:47   (  69.93, 171.94) 01/27/2024   00:16:43  (  69.93, 172.01)    2.73                 4
 01/27/2024   01:07:27   ( -69.74, -20.46) 01/27/2024   01:06:14  ( -69.76, -20.58)    5.04                73
 01/29/2024   15:42:53   ( -69.98, 120.35) 01/29/2024   15:43:41  ( -70.01, 120.38)    3.28                48
 01/29/2024   16:33:37   (  69.86, -72.17) 01/29/2024   16:33:09  (  69.84, -72.21)    2.94                28
 02/01/2024   07:09:18   (  70.85,  67.44) 02/01/2024   07:10:25  (  70.71,  69.66)   82.94                67
 02/01/2024   07:59:44   ( -69.92,-123.78) 02/01/2024   08:00:07  ( -69.94,-123.82)    3.20                23
 02/01/2024   08:50:28   (  69.80,  43.71) 02/01/2024   08:49:34  (  69.83,  43.67)    3.17                54
 02/03/2024   23:25:54   (  70.01,-175.45) 02/03/2024   23:27:02  (  70.01,-175.47)    0.92                68
 02/04/2024   00:16:36   ( -69.92,  -7.99) 02/04/2024   00:16:32  ( -69.90,  -7.98)    2.52                 4
 02/04/2024   01:07:15   (  69.55, 159.87) 02/04/2024   01:06:03  (  69.56, 159.20)   26.15                72