Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 6 15.  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)
 06/16/2024   06:19:23   (  70.13,  81.23) 06/16/2024   06:20:26  (  70.14,  81.22)    0.75                63
 06/16/2024   07:10:04   ( -70.01,-111.26) 06/16/2024   07:09:56  ( -70.03,-111.30)    2.90                 8
 06/16/2024   08:00:41   (  69.50,  56.81) 06/16/2024   07:59:30  (  69.54,  55.67)   44.60                71
 06/18/2024   22:36:21   (  70.10,-162.95) 06/18/2024   22:36:58  (  70.13,-162.92)    3.40                37
 06/18/2024   23:27:03   ( -70.02,   4.48) 06/18/2024   23:26:28  ( -70.02,   4.56)    2.87                35
 06/21/2024   14:02:46   ( -70.78, 144.42) 06/21/2024   14:03:55  ( -70.63, 146.04)   61.87                69
 06/21/2024   14:53:19   (  70.07, -47.15) 06/21/2024   14:53:30  (  70.08, -47.11)    1.91                11
 06/21/2024   15:44:00   ( -69.94, 120.37) 06/21/2024   15:43:01  ( -69.92, 120.30)    3.33                59
 06/24/2024   06:19:31   ( -70.13, -98.78) 06/24/2024   06:20:34  ( -70.12, -98.83)    2.33                63
 06/24/2024   07:10:15   (  70.00,  68.72) 06/24/2024   07:10:01  (  70.01,  68.66)    2.44                14
 06/24/2024   08:00:48   ( -69.44,-123.13) 06/24/2024   07:59:38  ( -69.52,-124.38)   49.44                70
 06/26/2024   22:36:29   ( -70.11,  17.01) 06/26/2024   22:37:04  ( -70.12,  17.06)    1.85                35
 06/26/2024   23:27:13   (  69.99,-175.50) 06/26/2024   23:26:31  (  70.01,-175.46)    2.07                42
 06/29/2024   14:02:50   (  70.47, -35.09) 06/29/2024   14:04:01  (  70.35, -34.35)   30.35                71
 06/29/2024   14:53:26   ( -70.06, 132.86) 06/29/2024   14:53:35  ( -70.03, 132.82)    3.12                 9
 06/29/2024   15:44:10   (  69.94, -59.65) 06/29/2024   15:43:02  (  69.92, -59.70)    3.03                68