Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 10 19.  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)
 10/19/2024   14:03:55   (  70.19, -34.65) 10/19/2024   14:04:53  (  70.18, -34.66)    1.92                58
 10/19/2024   14:54:36   ( -70.07, 132.85) 10/19/2024   14:54:23  ( -70.07, 132.81)    1.73                13
 10/19/2024   15:45:08   (  69.35, -58.77) 10/19/2024   15:43:59  (  69.41, -60.45)   66.04                69
 10/22/2024   06:20:49   (  70.16,  81.18) 10/22/2024   06:21:20  (  70.15,  81.18)    1.82                31
 10/22/2024   07:11:30   ( -70.04,-111.31) 10/22/2024   07:10:50  ( -70.04,-111.34)    1.08                40
 10/24/2024   21:47:04   ( -70.50,  29.12) 10/24/2024   21:48:16  ( -70.40,  29.80)   27.46                72
 10/24/2024   22:37:43   (  70.11,-162.96) 10/24/2024   22:37:46  (  70.12,-162.96)    1.64                 3
 10/24/2024   23:28:25   ( -70.03,   4.48) 10/24/2024   23:27:16  ( -70.02,   4.53)    2.43                69
 10/27/2024   14:03:52   ( -70.15, 145.45) 10/27/2024   14:04:44  ( -70.17, 145.37)    3.48                52
 10/27/2024   14:54:37   (  70.08, -47.14) 10/27/2024   14:54:11  (  70.05, -47.15)    3.54                26
 10/27/2024   15:45:02   ( -69.10, 121.61) 10/27/2024   15:43:55  ( -69.18, 119.29)   92.41                67
 10/30/2024   05:30:18   (  70.98,  92.58) 10/30/2024   05:31:25  (  70.87,  94.70)   77.60                67
 10/30/2024   06:20:46   ( -70.15, -98.77) 10/30/2024   06:21:06  ( -70.17, -98.72)    2.39                20
 10/30/2024   07:11:30   (  70.04,  68.72) 10/30/2024   07:10:33  (  70.05,  68.75)    1.48                57
 11/01/2024   21:46:56   (  70.22,-150.41) 11/01/2024   21:47:56  (  70.22,-150.36)    1.91                60
 11/01/2024   22:37:38   ( -70.13,  17.05) 11/01/2024   22:37:26  ( -70.12,  17.13)    3.28                12
 11/01/2024   23:28:11   (  69.44,-174.60) 11/01/2024   23:27:02  (  69.50,-176.09)   58.29                69