Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2025 8 10.  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)
 08/11/2025   14:03:39   ( -70.25, 145.17) 08/11/2025   14:04:50  ( -70.22, 145.42)   10.34                71
 08/11/2025   14:54:21   (  70.06, -47.22) 08/11/2025   14:54:18  (  70.06, -47.15)    2.66                 3
 08/11/2025   15:45:02   ( -69.89, 120.35) 08/11/2025   15:43:49  ( -69.90, 120.24)    4.09                73
 08/14/2025   06:20:31   ( -70.09, -98.81) 08/14/2025   06:21:22  ( -70.11, -98.85)    3.14                51
 08/14/2025   07:11:15   (  70.01,  68.63) 08/14/2025   07:10:49  (  70.01,  68.65)    0.74                26
 08/14/2025   08:01:41   ( -69.04,-122.65) 08/14/2025   08:00:34  ( -69.07,-124.98)   92.72                67
 08/16/2025   22:37:26   ( -70.09,  16.97) 08/16/2025   22:37:52  ( -70.10,  17.01)    2.15                26
 08/16/2025   23:28:08   (  69.95,-175.52) 08/16/2025   23:27:19  (  69.94,-175.57)    2.93                49
 08/19/2025   14:03:39   (  70.27, -34.86) 08/19/2025   14:04:50  (  70.22, -34.56)   12.62                71
 08/19/2025   14:54:19   ( -70.04, 132.81) 08/19/2025   14:54:21  ( -70.07, 132.85)    3.15                 2
 08/19/2025   15:45:02   (  69.91, -59.68) 08/19/2025   15:43:49  (  69.90, -59.74)    2.70                73
 08/22/2025   06:20:31   (  70.13,  81.14) 08/22/2025   06:21:21  (  70.11,  81.17)    1.76                50
 08/22/2025   07:11:13   ( -70.00,-111.35) 08/22/2025   07:10:51  ( -70.01,-111.34)    1.71                22