Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 3 28.  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   ( -70.04,-111.38) 03/28/2024   07:10:23  ( -70.06,-111.36)    3.15                40
 03/28/2024   08:00:27   (  69.93,  56.10) 03/28/2024   07:59:51  (  69.91,  56.07)    1.95                36
 03/30/2024   22:36:06   (  70.61,-163.83) 03/30/2024   22:37:16  (  70.51,-162.48)   51.19                70
 03/30/2024   23:26:39   ( -70.04,   4.39) 03/30/2024   23:26:53  ( -70.01,   4.44)    3.27                14
 03/31/2024   00:17:22   (  69.87, 171.94) 03/31/2024   00:16:20  (  69.91, 171.94)    3.58                62
 04/02/2024   14:52:53   (  70.10, -47.25) 04/02/2024   14:53:53  (  70.07, -47.24)    3.29                60
 04/02/2024   15:43:34   ( -69.94, 120.30) 04/02/2024   15:43:23  ( -69.96, 120.24)    3.09                11
 04/02/2024   16:34:08   (  69.31, -71.46) 04/02/2024   16:32:59  (  69.36, -72.94)   58.28                69
 04/05/2024   07:09:48   (  70.03,  68.63) 04/05/2024   07:10:22  (  70.03,  68.57)    2.15                34
 04/05/2024   08:00:30   ( -69.92,-123.89) 04/05/2024   07:59:52  ( -69.92,-123.94)    1.85                38
 04/07/2024   22:36:07   ( -70.48,  16.38) 04/07/2024   22:37:18  ( -70.38,  17.31)   36.74                71
 04/07/2024   23:26:44   (  70.02,-175.59) 04/07/2024   23:26:49  (  70.04,-175.52)    3.51                 5
 04/08/2024   00:17:26   ( -69.91,  -8.10) 04/08/2024   00:16:20  ( -69.88,  -8.11)    2.75                66
 04/10/2024   14:52:54   ( -70.07, 132.80) 04/10/2024   14:53:49  ( -70.07, 132.76)    1.67                55
 04/10/2024   15:43:38   (  69.97, -59.75) 04/10/2024   15:43:16  (  69.95, -59.76)    2.34                22