Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 4 26.  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)
 04/26/2024   14:52:56   ( -70.11, 132.76) 04/26/2024   14:53:43  ( -70.12, 132.80)    2.02                47
 04/26/2024   15:43:40   (  70.00, -59.76) 04/26/2024   15:43:10  (  70.02, -59.70)    3.34                30
 04/29/2024   06:19:21   (  70.90,  79.96) 04/29/2024   06:20:29  (  70.79,  82.03)   76.49                68
 04/29/2024   07:09:49   ( -70.07,-111.39) 04/29/2024   07:10:10  ( -70.07,-111.39)    0.46                21
 04/29/2024   08:00:33   (  69.96,  56.08) 04/29/2024   07:59:37  (  69.96,  56.11)    1.19                56
 05/01/2024   22:35:59   (  70.14,-163.04) 05/01/2024   22:37:05  (  70.12,-163.07)    3.27                66
 05/01/2024   23:26:41   ( -70.05,   4.42) 05/01/2024   23:26:34  ( -70.06,   4.49)    2.70                 7
 05/02/2024   00:17:18   (  69.57, 172.44) 05/02/2024   00:16:07  (  69.62, 171.52)   36.20                71
 05/04/2024   14:52:51   (  70.10, -47.18) 05/04/2024   14:53:29  (  70.08, -47.21)    1.77                38
 05/04/2024   15:43:33   ( -70.00, 120.28) 05/04/2024   15:42:59  ( -69.97, 120.26)    2.89                34
 05/07/2024   06:19:08   ( -70.65, -99.57) 05/07/2024   06:20:18  ( -70.54, -98.30)   48.59                70
 05/07/2024   07:09:43   (  70.07,  68.64) 05/07/2024   07:09:51  (  70.09,  68.70)    3.09                 8
 05/07/2024   08:00:25   ( -69.97,-123.89) 05/07/2024   07:59:21  ( -69.98,-123.82)    2.85                64
 05/09/2024   22:35:50   ( -70.12,  17.05) 05/09/2024   22:36:46  ( -70.15,  17.04)    3.29                56
 05/09/2024   23:26:34   (  70.02,-175.49) 05/09/2024   23:26:13  (  70.03,-175.49)    1.20                21