Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 9 15.  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   14:03:24   (  71.04, -35.92) 09/17/2024   14:04:30  (  70.94, -33.50)   88.49                66
 09/17/2024   14:53:50   ( -70.12, 132.89) 09/17/2024   14:54:13  ( -70.12, 132.91)    0.98                23
 09/17/2024   15:44:34   (  69.99, -59.60) 09/17/2024   15:43:40  (  70.02, -59.60)    3.26                54
 09/20/2024   06:20:09   (  70.19,  81.22) 09/20/2024   06:21:12  (  70.19,  81.26)    1.51                63
 09/20/2024   07:10:51   ( -70.10,-111.33) 09/20/2024   07:10:42  ( -70.08,-111.26)    3.48                 9
 09/20/2024   08:01:27   (  69.55,  56.80) 09/20/2024   08:00:16  (  69.58,  55.69)   43.25                71
 09/22/2024   22:37:08   (  70.14,-162.96) 09/22/2024   22:37:39  (  70.12,-162.95)    3.21                31
 09/22/2024   23:27:49   ( -70.01,   4.57) 09/22/2024   23:27:09  ( -70.01,   4.53)    1.42                40
 09/25/2024   14:03:25   ( -70.31, 145.23) 09/25/2024   14:04:37  ( -70.24, 145.48)   12.00                72
 09/25/2024   14:54:07   (  70.08, -47.10) 09/25/2024   14:54:05  (  70.07, -47.12)    1.17                 2
 09/25/2024   15:44:48   ( -69.94, 120.43) 09/25/2024   15:43:35  ( -69.96, 120.37)    3.69                73
 09/28/2024   06:20:22   ( -70.16, -98.78) 09/28/2024   06:21:02  ( -70.17, -98.72)    2.50                40
 09/28/2024   07:11:06   (  70.04,  68.72) 09/28/2024   07:10:29  (  70.05,  68.76)    1.85                37