Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 2 7.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-21) NOAA-21 Lat/Lon Date Time(LANDSAT-9) LANDSAT-9 Lat/Lon    Distance(km)  Time Diff(sec)
 02/07/2024   23:51:11   (  69.98, 178.28) 02/07/2024   23:52:18  (  70.00, 178.26)    2.29                67
 02/08/2024   00:41:53   ( -69.90, -14.29) 02/08/2024   00:41:48  ( -69.88, -14.28)    2.60                 5
 02/08/2024   01:32:31   (  69.46, 153.67) 02/08/2024   01:31:20  (  69.51, 152.86)   32.17                71
 02/10/2024   16:08:01   (  69.96, -65.90) 02/10/2024   16:08:46  (  69.96, -65.91)    0.95                45
 02/10/2024   16:58:43   ( -69.88, 101.55) 02/10/2024   16:58:16  ( -69.85, 101.56)    3.45                27
 02/13/2024   08:24:52   (  69.94,  49.92) 02/13/2024   08:25:14  (  69.95,  49.94)    1.11                22
 02/13/2024   09:15:33   ( -69.81,-142.56) 02/13/2024   09:14:44  ( -69.83,-142.58)    2.74                49
 02/15/2024   23:51:01   ( -70.16,  -1.93) 02/15/2024   23:52:13  ( -70.11,  -1.58)   14.11                72
 02/16/2024   00:41:42   (  69.89, 165.79) 02/16/2024   00:41:42  (  69.89, 165.76)    1.41                 0
 02/16/2024   01:32:24   ( -69.80, -26.76) 02/16/2024   01:31:12  ( -69.78, -26.77)    2.29                72
 02/18/2024   16:07:48   ( -69.95, 114.18) 02/18/2024   16:08:42  ( -69.97, 114.11)    3.45                54
 02/18/2024   16:58:32   (  69.84, -78.35) 02/18/2024   16:58:09  (  69.86, -78.40)    2.73                23