Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 2 6.  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, 178.29) 02/07/2024   23:52:18  (  70.01, 178.27)    3.43                67
 02/08/2024   00:41:53   ( -69.90, -14.28) 02/08/2024   00:41:48  ( -69.89, -14.26)    1.27                 5
 02/08/2024   01:32:31   (  69.46, 153.68) 02/08/2024   01:31:20  (  69.51, 152.87)   32.28                71
 02/10/2024   16:08:01   (  69.95, -65.89) 02/10/2024   16:08:46  (  69.98, -65.89)    2.78                45
 02/10/2024   16:58:43   ( -69.87, 101.55) 02/10/2024   16:58:16  ( -69.86, 101.58)    1.45                27
 02/13/2024   08:24:52   (  69.94,  49.92) 02/13/2024   08:25:15  (  69.92,  49.90)    2.49                23
 02/13/2024   09:15:33   ( -69.80,-142.55) 02/13/2024   09:14:45  ( -69.80,-142.62)    2.59                48
 02/15/2024   23:51:02   ( -70.21,  -2.00) 02/15/2024   23:52:13  ( -70.15,  -1.52)   18.87                71
 02/16/2024   00:41:42   (  69.88, 165.80) 02/16/2024   00:41:43  (  69.88, 165.74)    2.30                 1
 02/16/2024   01:32:24   ( -69.79, -26.75) 02/16/2024   01:31:13  ( -69.77, -26.78)    2.89                71
 02/18/2024   16:07:49   ( -70.00, 114.11) 02/18/2024   16:08:43  ( -69.98, 114.12)    1.96                54
 02/18/2024   16:58:33   (  69.89, -78.42) 02/18/2024   16:58:10  (  69.87, -78.39)    2.47                23