Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 2 23.  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)
 02/23/2024   23:51:17   (  69.96, 178.30) 02/23/2024   23:52:01  (  69.98, 178.27)    2.64                44
 02/24/2024   00:41:59   ( -69.87, -14.26) 02/24/2024   00:41:31  ( -69.85, -14.27)    2.28                28
 02/26/2024   15:17:42   ( -70.57, 125.80) 02/26/2024   15:18:51  ( -70.47, 127.23)   54.15                69
 02/26/2024   16:08:16   (  69.92, -65.88) 02/26/2024   16:08:26  (  69.93, -65.90)    1.50                10
 02/26/2024   16:58:58   ( -69.83, 101.57) 02/26/2024   16:57:56  ( -69.81, 101.56)    2.55                62
 02/29/2024   07:34:31   ( -70.01,-117.57) 02/29/2024   07:35:23  ( -70.01,-117.53)    1.34                52
 02/29/2024   08:25:15   (  69.88,  49.92) 02/29/2024   08:24:50  (  69.90,  49.96)    2.63                25
 02/29/2024   09:15:41   ( -68.95,-141.41) 02/29/2024   09:14:34  ( -69.01,-143.59)   87.25                67
 03/02/2024   23:01:00   (  70.71,-170.23) 03/02/2024   23:02:08  (  70.57,-168.45)   67.35                68
 03/02/2024   23:51:30   ( -69.98,  -1.77) 03/02/2024   23:51:47  ( -69.96,  -1.70)    3.27                17
 03/03/2024   00:42:14   (  69.86, 165.71) 03/03/2024   00:41:14  (  69.85, 165.79)    3.22                60
 03/05/2024   15:17:46   (  70.01, -53.37) 03/05/2024   15:18:41  (  70.00, -53.38)    1.17                55
 03/05/2024   16:08:27   ( -69.91, 114.09) 03/05/2024   16:08:10  ( -69.88, 114.10)    2.55                17
 03/05/2024   16:58:57   (  69.05, -77.36) 03/05/2024   16:57:49  (  69.11, -79.30)   77.33                68