Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 6 12.  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)
 06/13/2024   14:02:35   (  70.68, -35.41) 06/13/2024   14:03:44  (  70.59, -33.98)   53.52                69
 06/13/2024   14:53:07   ( -70.08, 132.86) 06/13/2024   14:53:21  ( -70.09, 132.92)    2.42                14
 06/13/2024   15:43:51   (  69.95, -59.62) 06/13/2024   15:42:49  (  69.93, -59.66)    2.08                62
 06/16/2024   06:19:23   (  70.12,  81.26) 06/16/2024   06:20:20  (  70.10,  81.20)    2.60                57
 06/16/2024   07:10:05   ( -70.04,-111.31) 06/16/2024   07:09:49  ( -70.05,-111.25)    2.43                16
 06/16/2024   08:00:36   (  69.21,  57.21) 06/16/2024   07:59:28  (  69.28,  55.34)   73.85                68
 06/18/2024   22:36:21   (  70.09,-162.93) 06/18/2024   22:36:47  (  70.07,-162.95)    1.32                26
 06/18/2024   23:27:01   ( -69.95,   4.59) 06/18/2024   23:26:16  ( -69.97,   4.53)    2.56                45
 06/21/2024   14:02:34   ( -70.19, 145.36) 06/21/2024   14:03:45  ( -70.18, 145.45)    3.90                71
 06/21/2024   14:53:18   (  70.07, -47.14) 06/21/2024   14:53:12  (  70.06, -47.06)    2.96                 6
 06/21/2024   15:43:57   ( -69.82, 120.55) 06/21/2024   15:42:44  ( -69.85, 120.27)   10.98                73
 06/24/2024   06:19:31   ( -70.13, -98.78) 06/24/2024   06:20:11  ( -70.13, -98.71)    2.58                40
 06/24/2024   07:10:15   (  70.01,  68.72) 06/24/2024   07:09:38  (  70.02,  68.77)    2.34                37