Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 3 14.  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)
 03/16/2024   07:34:53   ( -70.02,-117.67) 03/16/2024   07:35:39  ( -70.01,-117.64)    1.59                46
 03/16/2024   08:25:37   (  69.91,  49.82) 03/16/2024   08:25:06  (  69.91,  49.86)    1.72                31
 03/18/2024   23:01:20   (  70.68,-170.26) 03/18/2024   23:02:28  (  70.56,-168.59)   63.16                68
 03/18/2024   23:51:50   ( -69.95,  -1.79) 03/18/2024   23:52:07  ( -69.96,  -1.83)    1.55                17
 03/19/2024   00:42:34   (  69.84, 165.68) 03/19/2024   00:41:34  (  69.85, 165.67)    1.32                60
 03/21/2024   15:18:06   (  70.04, -53.49) 03/21/2024   15:19:04  (  70.04, -53.46)    1.27                58
 03/21/2024   16:08:48   ( -69.94, 113.98) 03/21/2024   16:08:34  ( -69.93, 114.02)    1.78                14
 03/21/2024   16:59:20   (  69.20, -77.62) 03/21/2024   16:58:11  (  69.27, -79.23)   63.95                69
 03/24/2024   07:35:03   (  69.99,  62.35) 03/24/2024   07:35:31  (  69.98,  62.35)    1.54                28
 03/24/2024   08:25:45   ( -69.89,-130.17) 03/24/2024   08:25:01  ( -69.88,-130.16)    1.12                44
 03/26/2024   23:01:17   ( -70.16,  10.55) 03/26/2024   23:02:28  ( -70.12,  10.79)    9.85                71
 03/26/2024   23:51:59   (  69.95, 178.17) 03/26/2024   23:51:56  (  69.95, 178.19)    0.95                 3
 03/27/2024   00:42:40   ( -69.79, -14.27) 03/27/2024   00:41:27  ( -69.79, -14.39)    4.80                73