Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 5 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)
 05/03/2024   06:44:26   (  70.10,  74.91) 05/03/2024   06:45:37  (  70.13,  74.92)    3.15                71
 05/03/2024   07:35:08   ( -70.01,-117.63) 05/03/2024   07:35:07  ( -70.02,-117.61)    1.07                 1
 05/03/2024   08:25:49   (  69.74,  50.09) 05/03/2024   08:24:36  (  69.80,  49.73)   15.28                73
 05/05/2024   23:01:18   (  70.09,-169.28) 05/05/2024   23:02:04  (  70.07,-169.29)    1.89                46
 05/05/2024   23:51:59   ( -69.94,  -1.74) 05/05/2024   23:51:34  ( -69.96,  -1.81)    3.36                25
 05/08/2024   14:27:43   ( -71.03, 137.68) 05/08/2024   14:28:49  ( -70.96, 140.27)   94.21                66
 05/08/2024   15:18:10   (  70.03, -53.41) 05/08/2024   15:18:31  (  70.03, -53.46)    2.10                21
 05/08/2024   16:08:52   ( -69.94, 114.05) 05/08/2024   16:08:01  ( -69.92, 114.02)    2.23                51
 05/11/2024   06:44:18   ( -70.10,-105.03) 05/11/2024   06:45:30  ( -70.12,-105.09)    3.30                72
 05/11/2024   07:35:02   (  69.99,  62.44) 05/11/2024   07:34:57  (  70.00,  62.39)    2.33                 5
 05/11/2024   08:25:41   ( -69.74,-129.86) 05/11/2024   08:24:29  ( -69.79,-130.28)   16.96                72
 05/13/2024   23:01:11   ( -70.12,  10.73) 05/13/2024   23:01:55  ( -70.11,  10.79)    2.52                44
 05/13/2024   23:51:54   (  69.96, 178.27) 05/13/2024   23:51:22  (  69.99, 178.26)    3.26                32