Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 10 20.  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)
 10/22/2024   06:20:49   (  70.15,  81.19) 10/22/2024   06:21:21  (  70.13,  81.15)    2.97                32
 10/22/2024   07:11:30   ( -70.03,-111.30) 10/22/2024   07:10:51  ( -70.02,-111.37)    2.61                39
 10/24/2024   21:47:06   ( -70.58,  28.99) 10/24/2024   21:48:17  ( -70.44,  29.84)   35.45                71
 10/24/2024   22:37:44   (  70.13,-163.00) 10/24/2024   22:37:48  (  70.10,-162.99)    3.45                 4
 10/24/2024   23:28:25   ( -70.01,   4.51) 10/24/2024   23:27:18  ( -70.00,   4.49)    1.25                67
 10/27/2024   14:03:54   ( -70.21, 145.35) 10/27/2024   14:04:46  ( -70.22, 145.43)    2.92                52
 10/27/2024   14:54:38   (  70.09, -47.15) 10/27/2024   14:54:13  (  70.10, -47.10)    2.65                25
 10/27/2024   15:45:04   ( -69.16, 121.53) 10/27/2024   15:43:57  ( -69.23, 119.34)   86.77                67
 10/30/2024   05:30:21   (  71.05,  92.44) 10/30/2024   05:31:28  (  70.95,  94.80)   85.88                67
 10/30/2024   06:20:47   ( -70.13, -98.74) 10/30/2024   06:21:11  ( -70.14, -98.79)    2.11                24
 10/30/2024   07:11:31   (  70.01,  68.75) 10/30/2024   07:10:38  (  70.01,  68.69)    2.60                53
 11/01/2024   21:46:58   (  70.21,-150.40) 11/01/2024   21:48:02  (  70.23,-150.37)    2.46                64
 11/01/2024   22:37:40   ( -70.12,  17.06) 11/01/2024   22:37:32  ( -70.13,  17.12)    2.44                 8
 11/01/2024   23:28:16   (  69.59,-174.83) 11/01/2024   23:27:05  (  69.68,-175.87)   41.57                71