Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 8 7.  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)
 08/07/2024   05:54:50   ( -70.49, -93.03) 08/07/2024   05:56:01  ( -70.43, -92.18)   32.40                71
 08/07/2024   06:45:28   (  70.07,  74.94) 08/07/2024   06:45:33  (  70.05,  74.92)    2.30                 5
 08/07/2024   07:36:10   ( -69.97,-117.59) 08/07/2024   07:35:03  ( -69.94,-117.61)    3.48                67
 08/09/2024   22:11:40   ( -70.15,  23.27) 08/09/2024   22:12:34  ( -70.17,  23.33)    2.80                54
 08/09/2024   23:02:23   (  70.00,-169.18) 08/09/2024   23:02:02  (  70.01,-169.25)    3.03                21
 08/09/2024   23:52:52   ( -69.21,  -0.70) 08/09/2024   23:51:44  ( -69.24,  -2.67)   77.68                68
 08/12/2024   14:28:35   ( -70.09, 139.15) 08/12/2024   14:29:03  ( -70.09, 139.10)    1.63                28
 08/12/2024   15:19:19   (  69.99, -53.39) 08/12/2024   15:18:30  (  69.98, -53.41)    1.71                49
 08/15/2024   05:54:48   (  70.20,  87.43) 08/15/2024   05:55:59  (  70.18,  87.49)    3.59                71
 08/15/2024   06:45:30   ( -70.09,-105.08) 08/15/2024   06:45:29  ( -70.07,-105.02)    2.89                 1
 08/15/2024   07:36:10   (  69.78,  62.70) 08/15/2024   07:34:58  (  69.85,  62.31)   16.54                72
 08/17/2024   22:11:42   (  70.11,-156.65) 08/17/2024   22:12:26  (  70.12,-156.70)    1.75                44
 08/17/2024   23:02:24   ( -70.00,  10.84) 08/17/2024   23:01:56  ( -70.01,  10.79)    2.54                28
 08/20/2024   13:38:06   ( -70.85, 150.63) 08/20/2024   13:39:14  ( -70.79, 152.55)   70.90                68
 08/20/2024   14:28:37   (  70.08, -40.83) 08/20/2024   14:28:52  (  70.07, -40.86)    2.32                15
 08/20/2024   15:19:19   ( -69.97, 126.66) 08/20/2024   15:18:22  ( -69.97, 126.63)    1.21                57