Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 9 16.  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)
 09/17/2024   14:03:23   (  71.02, -35.88) 09/17/2024   14:04:30  (  70.91, -33.54)   85.71                67
 09/17/2024   14:53:49   ( -70.10, 132.92) 09/17/2024   14:54:13  ( -70.09, 132.87)    2.07                24
 09/17/2024   15:44:34   (  70.02, -59.65) 09/17/2024   15:43:40  (  69.99, -59.63)    3.14                54
 09/20/2024   06:20:08   (  70.16,  81.26) 09/20/2024   06:21:12  (  70.17,  81.23)    1.68                64
 09/20/2024   07:10:50   ( -70.08,-111.29) 09/20/2024   07:10:42  ( -70.06,-111.29)    1.56                 8
 09/20/2024   08:01:26   (  69.52,  56.84) 09/20/2024   08:00:16  (  69.57,  55.67)   45.93                70
 09/22/2024   22:37:08   (  70.11,-162.91) 09/22/2024   22:37:40  (  70.11,-162.96)    1.88                32
 09/22/2024   23:27:50   ( -70.03,   4.53) 09/22/2024   23:27:10  ( -70.00,   4.52)    2.67                40
 09/25/2024   14:03:26   ( -70.32, 145.21) 09/25/2024   14:04:38  ( -70.25, 145.50)   13.29                72
 09/25/2024   14:54:08   (  70.09, -47.12) 09/25/2024   14:54:06  (  70.08, -47.10)    1.14                 2
 09/25/2024   15:44:49   ( -69.95, 120.40) 09/25/2024   15:43:36  ( -69.98, 120.38)    2.82                73
 09/28/2024   06:20:22   ( -70.17, -98.79) 09/28/2024   06:21:03  ( -70.15, -98.75)    2.65                41
 09/28/2024   07:11:06   (  70.04,  68.71) 09/28/2024   07:10:30  (  70.03,  68.72)    1.51                36