Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 4 27.  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)
 04/29/2024   06:19:21   (  70.91,  79.94) 04/29/2024   06:20:28  (  70.83,  82.10)   79.18                67
 04/29/2024   07:09:49   ( -70.08,-111.41) 04/29/2024   07:10:10  ( -70.06,-111.40)    2.19                21
 04/29/2024   08:00:33   (  69.97,  56.07) 04/29/2024   07:59:37  (  69.96,  56.10)    1.95                56
 05/01/2024   22:36:00   (  70.15,-163.06) 05/01/2024   22:37:05  (  70.17,-162.99)    3.52                65
 05/01/2024   23:26:41   ( -70.00,   4.49) 05/01/2024   23:26:36  ( -70.00,   4.41)    2.98                 5
 05/02/2024   00:17:19   (  69.58, 172.43) 05/02/2024   00:16:08  (  69.62, 171.52)   35.57                71
 05/04/2024   14:52:51   (  70.10, -47.19) 05/04/2024   14:53:29  (  70.10, -47.19)    0.44                38
 05/04/2024   15:43:33   ( -70.00, 120.28) 05/04/2024   15:42:59  ( -69.99, 120.28)    1.32                34
 05/07/2024   06:19:08   ( -70.64, -99.57) 05/07/2024   06:20:18  ( -70.57, -98.25)   49.08                70
 05/07/2024   07:09:43   (  70.07,  68.65) 05/07/2024   07:09:52  (  70.07,  68.67)    1.11                 9
 05/07/2024   08:00:25   ( -69.97,-123.88) 05/07/2024   07:59:22  ( -69.96,-123.85)    1.26                63
 05/09/2024   22:35:51   ( -70.16,  16.99) 05/09/2024   22:36:47  ( -70.15,  17.04)    1.80                56
 05/09/2024   23:26:35   (  70.05,-175.54) 05/09/2024   23:26:14  (  70.03,-175.48)    3.14                21