Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 9 10.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-21) NOAA-21 Lat/Lon Date Time(LANDSAT-8) LANDSAT-8 Lat/Lon    Distance(km)  Time Diff(sec)
 09/12/2024   06:19:54   ( -70.63, -99.41) 09/12/2024   06:21:04  ( -70.52, -98.25)   44.69                70
 09/12/2024   07:10:30   (  70.10,  68.74) 09/12/2024   07:10:37  (  70.09,  68.77)    1.45                 7
 09/12/2024   08:01:11   ( -69.96,-123.73) 09/12/2024   08:00:07  ( -69.98,-123.76)    2.06                64
 09/14/2024   22:36:34   ( -70.14,  17.16) 09/14/2024   22:37:35  ( -70.16,  17.12)    2.87                61
 09/14/2024   23:27:18   (  70.03,-175.36) 09/14/2024   23:27:02  (  70.05,-175.39)    2.95                16
 09/15/2024   00:17:50   ( -69.41,  -7.13) 09/15/2024   00:16:40  ( -69.50,  -8.52)   55.09                70
 09/17/2024   14:53:24   ( -70.15, 132.95) 09/17/2024   14:53:59  ( -70.15, 133.01)    2.18                35
 09/17/2024   15:44:08   (  70.04, -59.57) 09/17/2024   15:43:26  (  70.03, -59.51)    2.49                42
 09/20/2024   06:19:37   (  70.54,  80.82) 09/20/2024   06:20:48  (  70.42,  81.69)   34.88                71
 09/20/2024   07:10:12   ( -70.09,-111.15) 09/20/2024   07:10:22  ( -70.10,-111.16)    1.19                10
 09/20/2024   08:00:56   (  69.98,  56.33) 09/20/2024   07:59:49  (  69.98,  56.32)    0.28                67
 09/22/2024   22:36:19   (  70.19,-162.82) 09/22/2024   22:37:13  (  70.17,-162.76)    3.17                54
 09/22/2024   23:27:00   ( -70.05,   4.71) 09/22/2024   23:26:43  ( -70.06,   4.72)    1.48                17
 09/23/2024   00:17:30   (  69.20, 173.27) 09/23/2024   00:16:22  (  69.28, 171.29)   78.58                68