Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 8 17.  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)
 08/17/2024   22:11:41   (  70.15,-156.70) 08/17/2024   22:12:42  (  70.17,-156.69)    2.31                61
 08/17/2024   23:02:23   ( -70.04,  10.78) 08/17/2024   23:02:12  ( -70.06,  10.78)    1.33                11
 08/17/2024   23:52:57   (  69.41, 179.03) 08/17/2024   23:51:48  (  69.46, 177.60)   55.80                69
 08/20/2024   14:28:34   (  70.13, -40.89) 08/20/2024   14:29:14  (  70.14, -40.86)    2.10                40
 08/20/2024   15:19:16   ( -70.02, 126.59) 08/20/2024   15:18:44  ( -70.04, 126.62)    1.85                32
 08/23/2024   05:54:59   ( -71.01, -93.85) 08/23/2024   05:56:06  ( -70.91, -91.48)   86.72                67
 08/23/2024   06:45:27   (  70.08,  74.97) 08/23/2024   06:45:46  (  70.10,  74.95)    1.79                19
 08/23/2024   07:36:09   ( -69.98,-117.55) 08/23/2024   07:35:16  ( -69.99,-117.56)    1.76                53
 08/25/2024   22:11:37   ( -70.21,  23.25) 08/25/2024   22:12:49  ( -70.19,  23.33)    3.17                72
 08/25/2024   23:02:20   (  70.06,-169.21) 08/25/2024   23:02:16  (  70.08,-169.19)    2.60                 4
 08/25/2024   23:53:00   ( -69.84,  -1.57) 08/25/2024   23:51:48  ( -69.87,  -1.86)   11.15                72
 08/28/2024   14:28:29   ( -70.15, 139.13) 08/28/2024   14:29:18  ( -70.15, 139.16)    1.37                49
 08/28/2024   15:19:13   (  70.06, -53.42) 08/28/2024   15:18:45  (  70.04, -53.36)    3.16                28