Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 12 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)
 12/19/2024   21:47:33   (  70.20,-150.49) 12/19/2024   21:48:20  (  70.19,-150.52)    1.29                47
 12/19/2024   22:38:15   ( -70.09,  16.99) 12/19/2024   22:37:50  ( -70.08,  16.96)    1.79                25
 12/22/2024   14:04:24   (  70.17, -34.68) 12/22/2024   14:04:49  (  70.15, -34.69)    3.05                25
 12/22/2024   14:55:06   ( -70.06, 132.81) 12/22/2024   14:54:19  ( -70.04, 132.79)    3.00                47
 12/25/2024   05:30:35   ( -70.46, -86.65) 12/25/2024   05:31:47  ( -70.39, -86.10)   22.18                72
 12/25/2024   06:21:14   (  70.11,  81.20) 12/25/2024   06:21:17  (  70.11,  81.15)    2.12                 3
 12/25/2024   07:11:56   ( -70.00,-111.31) 12/25/2024   07:10:47  ( -70.01,-111.37)    2.39                69
 12/27/2024   21:47:20   ( -70.20,  29.54) 12/27/2024   21:48:16  ( -70.20,  29.52)    0.72                56
 12/27/2024   22:38:04   (  70.11,-163.02) 12/27/2024   22:37:43  (  70.09,-163.00)    2.84                21
 12/27/2024   23:28:33   ( -69.31,   5.47) 12/27/2024   23:27:24  ( -69.38,   3.66)   71.56                69
 12/30/2024   14:04:10   ( -70.16, 145.38) 12/30/2024   14:04:42  ( -70.19, 145.39)    2.89                32
 12/30/2024   14:54:54   (  70.08, -47.18) 12/30/2024   14:54:09  (  70.07, -47.13)    1.89                45