Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2025 8 2.  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)
 08/03/2025   14:03:38   (  70.17, -34.70) 08/03/2025   14:04:45  (  70.15, -34.66)    2.63                67
 08/03/2025   14:54:20   ( -70.05, 132.79) 08/03/2025   14:54:15  ( -70.04, 132.81)    1.87                 5
 08/03/2025   15:44:58   (  69.64, -59.28) 08/03/2025   15:43:46  (  69.71, -59.99)   28.50                72
 08/06/2025   06:20:32   (  70.10,  81.18) 08/06/2025   06:21:17  (  70.10,  81.14)    1.41                45
 08/06/2025   07:11:14   ( -69.98,-111.32) 08/06/2025   07:10:47  ( -69.99,-111.38)    2.50                27
 08/08/2025   21:47:01   ( -71.11,  28.01) 08/08/2025   21:48:06  ( -71.01,  30.74)   99.37                65
 08/08/2025   22:37:27   (  70.09,-163.03) 08/08/2025   22:37:48  (  70.09,-163.00)    1.40                21
 08/08/2025   23:28:08   ( -69.96,   4.47) 08/08/2025   23:27:17  ( -69.98,   4.49)    2.65                51
 08/11/2025   14:03:39   ( -70.26, 145.16) 08/11/2025   14:04:50  ( -70.23, 145.44)   11.12                71
 08/11/2025   14:54:20   (  70.03, -47.17) 08/11/2025   14:54:19  (  70.01, -47.23)    3.24                 1
 08/11/2025   15:45:02   ( -69.90, 120.34) 08/11/2025   15:43:49  ( -69.91, 120.26)    3.22                73
 08/14/2025   06:20:32   ( -70.15, -98.90) 08/14/2025   06:21:22  ( -70.13, -98.82)    3.46                50
 08/14/2025   07:11:15   (  70.02,  68.60) 08/14/2025   07:10:49  (  70.02,  68.66)    2.30                26