Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 3 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)
 03/28/2024   07:09:43   ( -70.05,-111.40) 03/28/2024   07:10:21  ( -70.05,-111.36)    1.52                38
 03/28/2024   08:00:27   (  69.94,  56.08) 03/28/2024   07:59:48  (  69.95,  56.14)    2.75                39
 03/30/2024   22:36:01   (  70.31,-163.35) 03/30/2024   22:37:13  (  70.23,-162.85)   20.97                72
 03/30/2024   23:26:39   ( -70.00,   4.45) 03/30/2024   23:26:45  ( -70.00,   4.46)    0.39                 6
 03/31/2024   00:17:23   (  69.89, 171.92) 03/31/2024   00:16:12  (  69.89, 171.95)    1.26                71
 04/02/2024   14:52:52   (  70.07, -47.21) 04/02/2024   14:53:37  (  70.05, -47.20)    2.05                45
 04/02/2024   15:43:34   ( -69.97, 120.27) 04/02/2024   15:43:07  ( -69.94, 120.28)    3.06                27
 04/05/2024   06:19:14   ( -70.68, -99.71) 04/05/2024   06:20:23  ( -70.59, -98.15)   58.50                69
 04/05/2024   07:09:47   (  70.00,  68.66) 04/05/2024   07:09:59  (  69.99,  68.62)    2.73                12
 04/05/2024   08:00:29   ( -69.90,-123.86) 04/05/2024   07:59:29  ( -69.88,-123.90)    2.95                60
 04/07/2024   22:35:59   ( -70.11,  16.97) 04/07/2024   22:36:52  ( -70.09,  17.04)    2.74                53
 04/07/2024   23:26:42   (  69.96,-175.49) 04/07/2024   23:26:19  (  69.97,-175.49)    1.71                23