Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 3 17.  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)
 03/17/2024   14:52:49   (  70.56, -47.94) 03/17/2024   14:53:59  (  70.40, -46.76)   46.89                70
 03/17/2024   15:43:22   ( -69.99, 120.26) 03/17/2024   15:43:34  ( -70.01, 120.30)    2.58                12
 03/17/2024   16:34:06   (  69.87, -72.25) 03/17/2024   16:33:02  (  69.86, -72.27)    1.80                64
 03/20/2024   07:09:38   (  70.07,  68.58) 03/20/2024   07:10:32  (  70.07,  68.64)    2.21                54
 03/20/2024   08:00:20   ( -69.97,-123.95) 03/20/2024   08:00:02  ( -69.96,-123.89)    3.11                18
 03/20/2024   08:50:49   (  69.12,  44.60) 03/20/2024   08:49:41  (  69.13,  42.65)   77.43                68
 03/22/2024   23:26:34   (  70.02,-175.57) 03/22/2024   23:26:59  (  69.99,-175.59)    2.95                25
 03/23/2024   00:17:16   ( -69.92,  -8.10) 03/23/2024   00:16:28  ( -69.93,  -8.04)    3.01                48
 03/25/2024   14:52:47   ( -70.07, 132.80) 03/25/2024   14:53:58  ( -70.10, 132.81)    3.39                71
 03/25/2024   15:43:31   (  69.97, -59.73) 03/25/2024   15:43:25  (  69.99, -59.70)    3.06                 6
 03/25/2024   16:34:10   ( -69.71, 107.98) 03/25/2024   16:32:57  ( -69.78, 107.63)   15.34                73
 03/28/2024   07:09:44   ( -70.03,-111.37) 03/28/2024   07:10:25  ( -70.03,-111.40)    1.07                41
 03/28/2024   08:00:28   (  69.93,  56.09) 03/28/2024   07:59:52  (  69.92,  56.08)    1.55                36
 03/30/2024   22:36:06   (  70.48,-163.63) 03/30/2024   22:37:16  (  70.37,-162.66)   38.03                70
 03/30/2024   23:26:41   ( -70.00,   4.44) 03/30/2024   23:26:51  ( -69.99,   4.43)    1.10                10
 03/31/2024   00:17:25   (  69.90, 171.90) 03/31/2024   00:16:18  (  69.87, 171.91)    3.39                67