Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 12 18.  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)
 12/19/2024   21:47:34   (  70.23,-150.54) 12/19/2024   21:48:20  (  70.21,-150.48)    2.65                46
 12/19/2024   22:38:16   ( -70.12,  16.95) 12/19/2024   22:37:50  ( -70.10,  16.99)    2.36                26
 12/22/2024   14:04:23   (  70.15, -34.64) 12/22/2024   14:04:48  (  70.16, -34.67)    1.51                25
 12/22/2024   14:55:05   ( -70.04, 132.84) 12/22/2024   14:54:18  ( -70.06, 132.81)    2.00                47
 12/25/2024   05:30:35   ( -70.50, -86.71) 12/25/2024   05:31:46  ( -70.40, -86.08)   25.59                71
 12/25/2024   06:21:14   (  70.15,  81.15) 12/25/2024   06:21:16  (  70.12,  81.16)    2.72                 2
 12/25/2024   07:11:56   ( -70.03,-111.36) 12/25/2024   07:10:46  ( -70.02,-111.36)    1.96                70
 12/27/2024   21:47:20   ( -70.19,  29.56) 12/27/2024   21:48:16  ( -70.20,  29.52)    2.16                56
 12/27/2024   22:38:04   (  70.10,-163.00) 12/27/2024   22:37:43  (  70.09,-163.00)    1.57                21
 12/27/2024   23:28:33   ( -69.30,   5.49) 12/27/2024   23:27:25  ( -69.32,   3.59)   74.90                68
 12/30/2024   14:04:10   ( -70.16, 145.39) 12/30/2024   14:04:42  ( -70.18, 145.38)    2.25                32
 12/30/2024   14:54:54   (  70.07, -47.17) 12/30/2024   14:54:09  (  70.06, -47.14)    1.66                45