Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 10 30.  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)
 10/31/2024   13:38:49   (  71.07, -29.70) 10/31/2024   13:39:56  (  70.97, -27.29)   87.97                67
 10/31/2024   14:29:15   ( -70.15, 139.11) 10/31/2024   14:29:39  ( -70.14, 139.11)    1.26                24
 10/31/2024   15:19:59   (  70.03, -53.39) 10/31/2024   15:19:06  (  70.03, -53.39)    1.02                53
 11/03/2024   05:55:26   (  70.19,  87.52) 11/03/2024   05:56:34  (  70.19,  87.46)    2.54                68
 11/03/2024   06:46:08   ( -70.11,-105.03) 11/03/2024   06:46:03  ( -70.13,-104.99)    3.15                 5
 11/03/2024   07:36:46   (  69.67,  62.94) 11/03/2024   07:35:35  (  69.75,  62.11)   33.14                71
 11/05/2024   22:12:19   (  70.18,-156.67) 11/05/2024   22:12:56  (  70.18,-156.65)    0.96                37
 11/05/2024   23:03:00   ( -70.04,  10.86) 11/05/2024   23:02:26  ( -70.07,  10.82)    3.22                34
 11/08/2024   13:38:33   ( -70.62, 151.10) 11/08/2024   13:39:44  ( -70.50, 152.09)   39.25                71
 11/08/2024   14:29:09   (  70.10, -40.75) 11/08/2024   14:29:16  (  70.11, -40.83)    3.04                 7
 11/08/2024   15:19:51   ( -70.00, 126.71) 11/08/2024   15:18:46  ( -70.00, 126.65)    2.44                65
 11/11/2024   05:55:17   ( -70.20, -92.43) 11/11/2024   05:56:07  ( -70.21, -92.40)    1.60                50
 11/11/2024   06:46:01   (  70.10,  75.04) 11/11/2024   06:45:34  (  70.09,  75.08)    1.78                27