Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 2 10.  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)
 02/10/2024   16:08:01   (  69.95, -65.88) 02/10/2024   16:08:46  (  69.97, -65.90)    2.80                45
 02/10/2024   16:58:43   ( -69.87, 101.55) 02/10/2024   16:58:16  ( -69.85, 101.56)    2.22                27
 02/13/2024   08:24:52   (  69.94,  49.92) 02/13/2024   08:25:14  (  69.95,  49.95)    1.47                22
 02/13/2024   09:15:33   ( -69.81,-142.56) 02/13/2024   09:14:44  ( -69.83,-142.58)    2.87                49
 02/15/2024   23:51:01   ( -70.16,  -1.93) 02/15/2024   23:52:13  ( -70.10,  -1.60)   14.53                72
 02/16/2024   00:41:42   (  69.89, 165.79) 02/16/2024   00:41:42  (  69.89, 165.75)    1.77                 0
 02/16/2024   01:32:24   ( -69.81, -26.77) 02/16/2024   01:31:11  ( -69.82, -26.71)    3.12                73
 02/18/2024   16:07:49   ( -70.02, 114.08) 02/18/2024   16:08:41  ( -70.00, 114.15)    3.07                52
 02/18/2024   16:58:32   (  69.85, -78.36) 02/18/2024   16:58:09  (  69.84, -78.43)    3.30                23
 02/18/2024   17:48:59   ( -68.97,  90.22) 02/18/2024   17:47:52  ( -69.01,  88.09)   85.07                67
 02/21/2024   08:24:38   ( -69.98,-130.08) 02/21/2024   08:25:06  ( -69.97,-130.00)    3.36                28
 02/21/2024   09:15:21   (  69.82,  37.47) 02/21/2024   09:14:34  (  69.80,  37.41)    3.45                47
 02/23/2024   23:50:49   (  70.22, 178.04) 02/23/2024   23:51:59  (  70.17, 178.55)   19.94                70
 02/24/2024   00:41:27   ( -69.91, -14.17) 02/24/2024   00:41:32  ( -69.90, -14.21)    2.33                 5
 02/24/2024   01:32:11   (  69.81, 153.29) 02/24/2024   01:30:59  (  69.78, 153.28)    2.95                72