Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 6 24.  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)
 06/25/2024   14:28:01   ( -70.14, 139.08) 06/25/2024   14:28:37  ( -70.12, 139.03)    3.03                36
 06/25/2024   15:18:45   (  70.01, -53.41) 06/25/2024   15:18:04  (  70.02, -53.47)    2.66                41
 06/28/2024   05:54:23   (  70.53,  86.92) 06/28/2024   05:55:34  (  70.39,  87.64)   30.90                71
 06/28/2024   06:44:59   ( -70.13,-105.13) 06/28/2024   06:45:07  ( -70.11,-105.12)    1.71                 8
 06/28/2024   07:35:43   (  70.00,  62.37) 06/28/2024   07:34:34  (  70.01,  62.38)    0.82                69
 06/30/2024   22:11:14   (  70.21,-156.81) 06/30/2024   22:12:06  (  70.18,-156.78)    2.82                52
 06/30/2024   23:01:55   ( -70.07,  10.73) 06/30/2024   23:01:36  ( -70.08,  10.70)    1.49                19
 06/30/2024   23:52:24   (  69.15, 179.38) 06/30/2024   23:51:17  (  69.19, 177.15)   88.59                67
 07/03/2024   14:28:11   (  70.16, -40.96) 07/03/2024   14:28:35  (  70.17, -40.93)    2.02                24
 07/03/2024   15:18:53   ( -70.07, 126.50) 07/03/2024   15:18:05  ( -70.07, 126.56)    2.36                48
 07/06/2024   05:54:25   ( -70.28, -92.69) 07/06/2024   05:55:37  ( -70.25, -92.59)    5.48                72
 07/06/2024   06:45:08   (  70.12,  74.87) 07/06/2024   06:45:04  (  70.13,  74.89)    2.05                 4
 07/06/2024   07:35:48   ( -69.91,-117.51) 07/06/2024   07:34:35  ( -69.98,-117.70)    9.96                73