Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 6 26.  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)
 06/28/2024   05:54:23   (  70.53,  86.92) 06/28/2024   05:55:34  (  70.39,  87.64)   30.91                71
 06/28/2024   06:44:59   ( -70.13,-105.14) 06/28/2024   06:45:07  ( -70.11,-105.13)    3.01                 8
 06/28/2024   07:35:43   (  70.00,  62.37) 06/28/2024   07:34:34  (  70.01,  62.37)    0.49                69
 06/30/2024   22:11:13   (  70.16,-156.73) 06/30/2024   22:12:06  (  70.18,-156.79)    3.37                53
 06/30/2024   23:01:55   ( -70.07,  10.72) 06/30/2024   23:01:36  ( -70.06,  10.68)    1.83                19
 06/30/2024   23:52:24   (  69.15, 179.38) 06/30/2024   23:51:17  (  69.19, 177.13)   88.84                67
 07/03/2024   14:28:11   (  70.16, -40.97) 07/03/2024   14:28:35  (  70.16, -40.95)    0.98                24
 07/03/2024   15:18:53   ( -70.07, 126.49) 07/03/2024   15:18:05  ( -70.05, 126.53)    3.13                48
 07/06/2024   05:54:25   ( -70.29, -92.71) 07/06/2024   05:55:36  ( -70.28, -92.55)    6.27                71
 07/06/2024   06:45:08   (  70.12,  74.86) 07/06/2024   06:45:04  (  70.11,  74.86)    1.11                 4
 07/06/2024   07:35:48   ( -69.92,-117.52) 07/06/2024   07:34:35  ( -69.95,-117.73)    8.64                73
 07/08/2024   22:11:21   ( -70.20,  23.20) 07/08/2024   22:12:05  ( -70.21,  23.23)    1.39                44
 07/08/2024   23:02:05   (  70.09,-169.32) 07/08/2024   23:01:32  (  70.09,-169.29)    1.51                33