Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 9 9.  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)
 09/10/2024   22:11:33   ( -70.86,  22.31) 09/10/2024   22:12:41  ( -70.80,  24.24)   70.87                68
 09/10/2024   23:02:04   (  70.07,-169.12) 09/10/2024   23:02:19  (  70.10,-169.16)    3.23                15
 09/10/2024   23:52:46   ( -69.98,  -1.67) 09/10/2024   23:51:49  ( -69.99,  -1.68)    0.61                57
 09/13/2024   14:28:10   ( -70.20, 139.17) 09/13/2024   14:29:22  ( -70.18, 139.19)    2.50                72
 09/13/2024   15:18:54   (  70.09, -53.35) 09/13/2024   15:18:49  (  70.07, -53.32)    2.34                 5
 09/13/2024   16:09:33   ( -69.84, 114.34) 09/13/2024   16:08:20  ( -69.91, 114.09)   12.19                73
 09/16/2024   06:44:59   ( -70.14,-104.93) 09/16/2024   06:45:51  ( -70.17,-104.94)    3.26                52
 09/16/2024   07:35:43   (  70.03,  62.54) 09/16/2024   07:35:18  (  70.06,  62.55)    2.99                25
 09/16/2024   08:26:09   ( -69.09,-128.78) 09/16/2024   08:25:02  ( -69.18,-131.01)   89.01                67
 09/18/2024   23:01:48   ( -70.10,  10.92) 09/18/2024   23:02:19  ( -70.11,  10.88)    1.83                31
 09/18/2024   23:52:32   (  70.00, 178.40) 09/18/2024   23:51:46  (  70.00, 178.36)    1.39                46
 09/21/2024   14:28:00   (  70.45, -41.14) 09/21/2024   14:29:12  (  70.34, -40.53)   26.03                72
 09/21/2024   15:18:37   ( -70.10, 126.73) 09/21/2024   15:18:45  ( -70.07, 126.72)    3.26                 8
 09/21/2024   16:09:21   (  69.99, -65.79) 09/21/2024   16:08:11  (  70.00, -65.73)    2.90                70