Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 9 13.  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)
 09/14/2024   22:36:48   ( -70.14,  17.11) 09/14/2024   22:37:43  ( -70.16,  17.08)    2.42                55
 09/14/2024   23:27:33   (  70.06,-175.47) 09/14/2024   23:27:10  (  70.05,-175.43)    1.90                23
 09/15/2024   00:18:00   ( -69.18,  -6.86) 09/15/2024   00:16:52  ( -69.29,  -8.84)   78.96                68
 09/17/2024   14:53:49   ( -70.13, 132.87) 09/17/2024   14:54:15  ( -70.14, 132.92)    1.93                26
 09/17/2024   15:44:33   (  70.01, -59.63) 09/17/2024   15:43:42  (  70.03, -59.59)    2.91                51
 09/20/2024   06:20:07   (  70.21,  81.19) 09/20/2024   06:21:17  (  70.20,  81.25)    2.68                70
 09/20/2024   07:10:48   ( -70.07,-111.28) 09/20/2024   07:10:47  ( -70.10,-111.26)    3.01                 1
 09/20/2024   08:01:29   (  69.79,  56.46) 09/20/2024   08:00:16  (  69.88,  56.07)   17.87                73
 09/22/2024   22:37:05   (  70.15,-162.95) 09/22/2024   22:37:49  (  70.14,-162.95)    0.38                44
 09/22/2024   23:27:47   ( -70.06,   4.50) 09/22/2024   23:27:19  ( -70.04,   4.54)    2.22                28
 09/25/2024   14:03:33   ( -71.03, 144.07) 09/25/2024   14:04:40  ( -70.89, 146.40)   85.89                67
 09/25/2024   14:54:02   (  70.13, -47.16) 09/25/2024   14:54:19  (  70.12, -47.10)    2.14                17
 09/25/2024   15:44:43   ( -69.99, 120.37) 09/25/2024   15:43:50  ( -69.97, 120.31)    3.07                53