Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 10 10.  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)
 10/10/2024   05:55:20   ( -70.23, -92.59) 10/10/2024   05:56:29  ( -70.22, -92.51)    3.13                69
 10/10/2024   06:46:04   (  70.08,  74.94) 10/10/2024   06:45:57  (  70.06,  74.91)    2.99                 7
 10/10/2024   07:36:42   ( -69.81,-117.32) 10/10/2024   07:35:29  ( -69.85,-117.76)   17.24                73
 10/12/2024   22:12:16   ( -70.15,  23.30) 10/12/2024   22:13:03  ( -70.16,  23.27)    1.48                47
 10/12/2024   23:03:01   (  70.06,-169.26) 10/12/2024   23:02:30  (  70.05,-169.24)    1.90                31
 10/15/2024   13:38:45   (  70.97, -29.56) 10/15/2024   13:39:52  (  70.89, -27.39)   79.34                67
 10/15/2024   14:29:12   ( -70.11, 139.14) 10/15/2024   14:29:34  ( -70.13, 139.12)    3.32                22
 10/15/2024   15:19:57   (  70.02, -53.42) 10/15/2024   15:19:01  (  70.02, -53.40)    0.98                56
 10/18/2024   05:55:26   (  70.17,  87.50) 10/18/2024   05:56:33  (  70.19,  87.45)    2.80                67
 10/18/2024   06:46:08   ( -70.09,-105.06) 10/18/2024   06:46:03  ( -70.09,-105.06)    0.41                 5
 10/18/2024   07:36:46   (  69.65,  62.92) 10/18/2024   07:35:35  (  69.70,  62.04)   34.52                71
 10/20/2024   22:12:20   (  70.14,-156.68) 10/20/2024   22:12:59  (  70.13,-156.74)    2.91                39
 10/20/2024   23:03:02   ( -70.06,  10.76) 10/20/2024   23:02:28  ( -70.09,  10.83)    3.51                34
 10/23/2024   13:38:39   ( -70.69, 150.92) 10/23/2024   13:39:49  ( -70.61, 152.23)   48.81                70
 10/23/2024   14:29:14   (  70.10, -40.83) 10/23/2024   14:29:23  (  70.10, -40.87)    1.63                 9
 10/23/2024   15:19:56   ( -70.01, 126.62) 10/23/2024   15:18:53  ( -70.01, 126.62)    0.94                63