Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 5 6.  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)
 05/08/2024   15:18:11   (  70.06, -53.45) 05/08/2024   15:18:37  (  70.04, -53.46)    1.46                26
 05/08/2024   16:08:52   ( -69.92, 114.08) 05/08/2024   16:08:07  ( -69.93, 114.02)    3.23                45
 05/11/2024   06:44:24   ( -70.38,-105.47) 05/11/2024   06:45:36  ( -70.28,-104.89)   24.39                72
 05/11/2024   07:35:03   (  70.00,  62.42) 05/11/2024   07:35:06  (  70.01,  62.36)    2.02                 3
 05/11/2024   08:25:45   ( -69.92,-130.13) 05/11/2024   08:24:36  ( -69.90,-130.15)    1.63                69
 05/13/2024   23:01:11   ( -70.13,  10.71) 05/13/2024   23:02:06  ( -70.11,  10.74)    2.29                55
 05/13/2024   23:51:55   (  70.02, 178.19) 05/13/2024   23:51:33  (  69.99, 178.22)    2.69                22
 05/14/2024   00:42:23   ( -69.18, -13.28) 05/14/2024   00:41:15  ( -69.23, -15.18)   75.25                68
 05/16/2024   15:18:03   ( -70.09, 126.55) 05/16/2024   15:18:34  ( -70.06, 126.55)    3.32                31
 05/16/2024   16:08:46   (  69.93, -65.89) 05/16/2024   16:08:01  (  69.94, -65.97)    3.20                45
 05/19/2024   06:44:17   (  70.37,  74.58) 05/19/2024   06:45:28  (  70.30,  75.15)   22.47                71
 05/19/2024   07:34:54   ( -70.01,-117.54) 05/19/2024   07:35:01  ( -70.04,-117.60)    3.27                 7
 05/19/2024   08:25:38   (  69.91,  49.93) 05/19/2024   08:24:28  (  69.92,  49.88)    2.24                70