Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 8 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)
 08/28/2024   14:28:30   ( -70.18, 139.08) 08/28/2024   14:29:20  ( -70.16, 139.16)    3.65                50
 08/28/2024   15:19:13   (  70.02, -53.37) 08/28/2024   15:18:48  (  70.00, -53.42)    2.74                25
 08/28/2024   16:09:39   ( -69.08, 115.32) 08/28/2024   16:08:32  ( -69.12, 113.02)   91.51                67
 08/31/2024   06:45:22   ( -70.12,-105.04) 08/31/2024   06:45:50  ( -70.09,-105.05)    2.80                28
 08/31/2024   07:36:06   (  70.01,  62.43) 08/31/2024   07:35:17  (  69.99,  62.44)    3.27                49
 09/02/2024   22:11:34   (  70.33,-156.90) 09/02/2024   22:12:46  (  70.24,-156.58)   15.18                72
 09/02/2024   23:02:13   ( -70.07,  10.82) 09/02/2024   23:02:17  ( -70.08,  10.82)    1.32                 4
 09/02/2024   23:52:57   (  69.97, 178.29) 09/02/2024   23:51:44  (  69.97, 178.31)    0.83                73
 09/05/2024   14:28:23   (  70.14, -40.81) 09/05/2024   14:29:15  (  70.12, -40.86)    2.54                52
 09/05/2024   15:19:05   ( -70.03, 126.66) 09/05/2024   15:18:45  ( -70.02, 126.62)    2.55                20
 09/05/2024   16:09:33   (  69.08, -64.64) 09/05/2024   16:08:26  (  69.13, -66.94)   91.05                67
 09/08/2024   06:45:15   (  70.12,  75.01) 09/08/2024   06:45:41  (  70.12,  75.03)    0.93                26
 09/08/2024   07:35:57   ( -70.02,-117.52) 09/08/2024   07:35:11  ( -70.01,-117.49)    1.32                46