Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 10 21.  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)
 10/23/2024   14:29:17   (  70.15, -40.92) 10/23/2024   14:29:41  (  70.17, -40.86)    3.31                24
 10/23/2024   15:19:58   ( -70.03, 126.59) 10/23/2024   15:19:12  ( -70.01, 126.55)    2.33                46
 10/26/2024   05:55:31   ( -70.42, -92.88) 10/26/2024   05:56:42  ( -70.37, -92.34)   21.00                71
 10/26/2024   06:46:11   (  70.09,  74.96) 10/26/2024   06:46:12  (  70.09,  74.91)    2.01                 1
 10/26/2024   07:36:53   ( -70.01,-117.60) 10/26/2024   07:35:42  ( -69.99,-117.61)    2.43                71
 10/28/2024   22:12:21   ( -70.17,  23.31) 10/28/2024   22:13:14  ( -70.18,  23.27)    1.82                53
 10/28/2024   23:03:05   (  70.05,-169.19) 10/28/2024   23:02:41  (  70.06,-169.25)    2.78                24
 10/28/2024   23:53:32   ( -69.17,  -0.59) 10/28/2024   23:52:25  ( -69.19,  -2.80)   87.39                67
 10/31/2024   14:29:14   ( -70.14, 139.13) 10/31/2024   14:29:41  ( -70.15, 139.11)    0.60                27
 10/31/2024   15:19:58   (  70.03, -53.38) 10/31/2024   15:19:08  (  70.03, -53.41)    0.91                50
 11/03/2024   05:55:26   (  70.24,  87.45) 11/03/2024   05:56:38  (  70.21,  87.47)    2.87                72
 11/03/2024   06:46:07   ( -70.09,-105.00) 11/03/2024   06:46:08  ( -70.11,-105.04)    2.57                 1
 11/03/2024   07:36:49   (  69.87,  62.63) 11/03/2024   07:35:36  (  69.94,  62.36)   12.63                73