Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 10 20.  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)
 10/20/2024   22:12:22   (  70.19,-156.75) 10/20/2024   22:13:10  (  70.17,-156.73)    1.49                48
 10/20/2024   23:03:03   ( -70.06,  10.76) 10/20/2024   23:02:40  ( -70.07,  10.75)    0.52                23
 10/23/2024   14:29:17   (  70.15, -40.92) 10/23/2024   14:29:40  (  70.15, -40.89)    1.56                23
 10/23/2024   15:19:58   ( -70.03, 126.59) 10/23/2024   15:19:10  ( -70.04, 126.59)    1.50                48
 10/26/2024   05:55:29   ( -70.32, -92.72) 10/26/2024   05:56:40  ( -70.31, -92.42)   11.44                71
 10/26/2024   06:46:11   (  70.09,  74.95) 10/26/2024   06:46:09  (  70.08,  74.91)    2.00                 2
 10/26/2024   07:36:52   ( -69.96,-117.53) 10/26/2024   07:35:39  ( -69.98,-117.60)    3.41                73
 10/28/2024   22:12:21   ( -70.18,  23.29) 10/28/2024   22:13:09  ( -70.16,  23.27)    2.49                48
 10/28/2024   23:03:05   (  70.06,-169.21) 10/28/2024   23:02:36  (  70.04,-169.26)    2.52                29
 10/31/2024   13:38:45   (  70.93, -29.46) 10/31/2024   13:39:52  (  70.84, -27.45)   73.89                67
 10/31/2024   14:29:14   ( -70.16, 139.11) 10/31/2024   14:29:33  ( -70.14, 139.14)    2.65                19
 10/31/2024   15:19:58   (  70.05, -53.41) 10/31/2024   15:19:00  (  70.02, -53.38)    3.00                58