Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2025 3 1.  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)
 03/03/2025   06:45:34   (  70.13,  74.97) 03/03/2025   06:46:05  (  70.12,  74.92)    1.86                31
 03/03/2025   07:36:15   ( -70.00,-117.53) 03/03/2025   07:35:35  ( -70.01,-117.60)    2.81                40
 03/05/2025   22:11:52   ( -70.61,  22.66) 03/05/2025   22:13:02  ( -70.50,  23.70)   40.57                70
 03/05/2025   23:02:29   (  70.12,-169.25) 03/05/2025   23:02:34  (  70.11,-169.21)    1.62                 5
 03/05/2025   23:53:10   ( -69.99,  -1.74) 03/05/2025   23:52:04  ( -70.01,  -1.73)    2.10                66
 03/08/2025   14:28:38   ( -70.14, 139.17) 03/08/2025   14:29:36  ( -70.16, 139.09)    3.65                58
 03/08/2025   15:19:23   (  70.07, -53.41) 03/08/2025   15:19:03  (  70.05, -53.42)    2.90                20
 03/08/2025   16:09:52   ( -69.30, 115.04) 03/08/2025   16:08:43  ( -69.39, 113.31)   68.33                69
 03/11/2025   06:45:33   ( -70.16,-105.09) 03/11/2025   06:46:03  ( -70.14,-105.04)    2.42                30
 03/11/2025   07:36:17   (  70.05,  62.40) 03/11/2025   07:35:30  (  70.03,  62.44)    2.54                47
 03/13/2025   22:11:46   (  70.35,-156.92) 03/13/2025   22:12:57  (  70.28,-156.59)   14.58                71
 03/13/2025   23:02:25   ( -70.09,  10.79) 03/13/2025   23:02:29  ( -70.07,  10.74)    3.40                 4
 03/13/2025   23:53:08   (  69.93, 178.34) 03/13/2025   23:51:56  (  69.95, 178.22)    5.11                72