Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 12 23.  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)
 12/23/2024   22:12:49   (  70.15,-156.74) 12/23/2024   22:13:14  (  70.16,-156.74)    1.96                25
 12/23/2024   23:03:31   ( -70.04,  10.74) 12/23/2024   23:02:44  ( -70.05,  10.73)    1.25                47
 12/26/2024   13:39:02   ( -70.55, 151.10) 12/26/2024   13:40:13  ( -70.43, 151.88)   32.13                71
 12/26/2024   14:29:39   (  70.09, -40.87) 12/26/2024   14:29:44  (  70.10, -40.95)    3.01                 5
 12/26/2024   15:20:21   ( -69.98, 126.61) 12/26/2024   15:19:14  ( -69.99, 126.53)    2.99                67
 12/29/2024   05:55:45   ( -70.19, -92.56) 12/29/2024   05:56:44  ( -70.21, -92.55)    1.71                59
 12/29/2024   06:46:29   (  70.10,  74.89) 12/29/2024   06:46:11  (  70.10,  74.94)    1.58                18
 12/29/2024   07:37:00   ( -69.41,-116.77) 12/29/2024   07:35:50  ( -69.50,-118.27)   59.07                70
 12/31/2024   22:12:35   ( -70.16,  23.27) 12/31/2024   22:13:12  ( -70.16,  23.26)    0.70                37
 12/31/2024   23:03:19   (  70.07,-169.28) 12/31/2024   23:02:39  (  70.05,-169.25)    3.12                40
 01/03/2025   13:38:52   (  70.73, -29.15) 01/03/2025   13:40:01  (  70.66, -27.75)   52.41                69
 01/03/2025   14:29:24   ( -70.10, 139.16) 01/03/2025   14:29:39  ( -70.11, 139.09)    3.40                15
 01/03/2025   15:20:08   (  70.00, -53.39) 01/03/2025   15:19:06  (  70.00, -53.43)    1.75                62