Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 8 25.  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)
 08/25/2024   22:11:38   ( -70.23,  23.22) 08/25/2024   22:12:50  ( -70.22,  23.35)    5.15                72
 08/25/2024   23:02:21   (  70.07,-169.23) 08/25/2024   23:02:18  (  70.06,-169.22)    0.99                 3
 08/25/2024   23:53:02   ( -69.92,  -1.68) 08/25/2024   23:51:48  ( -69.95,  -1.75)    4.15                74
 08/28/2024   14:28:29   ( -70.15, 139.12) 08/28/2024   14:29:20  ( -70.14, 139.13)    1.06                51
 08/28/2024   15:19:13   (  70.05, -53.41) 08/28/2024   15:18:47  (  70.04, -53.38)    1.73                26
 08/28/2024   16:09:38   ( -69.05, 115.36) 08/28/2024   16:08:32  ( -69.10, 112.99)   94.49                66
 08/31/2024   06:45:22   ( -70.14,-105.08) 08/31/2024   06:45:49  ( -70.12,-105.01)    3.25                27
 08/31/2024   07:36:05   (  69.99,  62.47) 08/31/2024   07:35:16  (  70.01,  62.48)    3.02                49
 09/02/2024   22:11:35   (  70.36,-156.94) 09/02/2024   22:12:46  (  70.27,-156.54)   17.87                71
 09/02/2024   23:02:14   ( -70.10,  10.78) 09/02/2024   23:02:17  ( -70.11,  10.86)    3.10                 3
 09/02/2024   23:52:57   (  69.94, 178.32) 09/02/2024   23:51:45  (  69.94, 178.27)    2.21                72
 09/05/2024   14:28:24   (  70.17, -40.86) 09/05/2024   14:29:15  (  70.14, -40.83)    3.24                51
 09/05/2024   15:19:05   ( -70.01, 126.70) 09/05/2024   15:18:45  ( -70.04, 126.65)    3.15                20