Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 3 12.  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)
 03/13/2024   15:17:58   ( -70.19, 126.31) 03/13/2024   15:19:10  ( -70.11, 126.62)   14.76                72
 03/13/2024   16:08:39   (  69.91, -65.96) 03/13/2024   16:08:39  (  69.90, -66.03)    3.50                 0
 03/13/2024   16:59:21   ( -69.82, 101.50) 03/13/2024   16:58:08  ( -69.84, 101.52)    1.89                73
 03/16/2024   07:34:53   ( -70.00,-117.64) 03/16/2024   07:35:40  ( -69.98,-117.68)    3.06                47
 03/16/2024   08:25:37   (  69.89,  49.84) 03/16/2024   08:25:07  (  69.87,  49.82)    2.19                30
 03/18/2024   23:01:20   (  70.66,-170.23) 03/18/2024   23:02:29  (  70.53,-168.63)   60.79                69
 03/18/2024   23:51:51   ( -69.98,  -1.84) 03/18/2024   23:52:07  ( -69.99,  -1.79)    2.24                16
 03/19/2024   00:42:35   (  69.87, 165.63) 03/19/2024   00:41:34  (  69.88, 165.70)    2.78                61
 03/21/2024   15:18:06   (  70.02, -53.46) 03/21/2024   15:19:05  (  70.02, -53.49)    1.50                59
 03/21/2024   16:08:48   ( -69.91, 114.02) 03/21/2024   16:08:35  ( -69.91, 113.99)    1.04                13
 03/21/2024   16:59:21   (  69.22, -77.67) 03/21/2024   16:58:12  (  69.24, -79.26)   63.04                69
 03/24/2024   07:35:02   (  69.97,  62.39) 03/24/2024   07:35:31  (  69.97,  62.32)    2.55                29
 03/24/2024   08:25:44   ( -69.86,-130.13) 03/24/2024   08:25:01  ( -69.86,-130.18)    2.27                43