Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 6 7.  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)
 06/08/2024   06:19:12   ( -70.21, -98.86) 06/08/2024   06:20:24  ( -70.18, -98.74)    6.19                72
 06/08/2024   07:09:55   (  70.02,  68.74) 06/08/2024   07:09:52  (  70.02,  68.68)    2.26                 3
 06/08/2024   08:00:35   ( -69.84,-123.67) 06/08/2024   07:59:23  ( -69.85,-123.92)    9.47                72
 06/10/2024   22:36:08   ( -70.09,  17.09) 06/10/2024   22:36:53  ( -70.10,  17.05)    2.06                45
 06/10/2024   23:26:53   (  70.01,-175.48) 06/10/2024   23:26:20  (  70.00,-175.46)    1.71                33
 06/13/2024   14:02:35   (  70.69, -35.42) 06/13/2024   14:03:44  (  70.59, -33.98)   54.39                69
 06/13/2024   14:53:06   ( -70.03, 132.94) 06/13/2024   14:53:22  ( -70.05, 132.86)    3.39                16
 06/13/2024   15:43:51   (  69.96, -59.64) 06/13/2024   15:42:49  (  69.94, -59.65)    2.09                62
 06/16/2024   06:19:23   (  70.12,  81.24) 06/16/2024   06:20:20  (  70.12,  81.21)    1.49                57
 06/16/2024   07:10:05   ( -70.04,-111.31) 06/16/2024   07:09:50  ( -70.01,-111.30)    3.29                15
 06/16/2024   08:00:36   (  69.22,  57.20) 06/16/2024   07:59:28  (  69.29,  55.36)   72.83                68
 06/18/2024   22:36:21   (  70.09,-162.95) 06/18/2024   22:36:47  (  70.09,-162.92)    0.82                26
 06/18/2024   23:27:03   ( -70.01,   4.51) 06/18/2024   23:26:17  ( -69.99,   4.56)    2.82                46