Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 9 7.  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)
 09/09/2024   14:53:39   (  70.12, -47.09) 09/09/2024   14:54:09  (  70.12, -47.08)    0.59                30
 09/09/2024   15:44:21   ( -70.03, 120.37) 09/09/2024   15:43:39  ( -70.01, 120.39)    2.11                42
 09/12/2024   06:19:54   ( -70.65, -99.44) 09/12/2024   06:21:04  ( -70.51, -98.27)   45.80                70
 09/12/2024   07:10:29   (  70.07,  68.79) 09/12/2024   07:10:37  (  70.07,  68.74)    1.94                 8
 09/12/2024   08:01:11   ( -69.98,-123.76) 09/12/2024   08:00:07  ( -69.96,-123.78)    2.01                64
 09/14/2024   22:36:35   ( -70.15,  17.15) 09/14/2024   22:37:36  ( -70.15,  17.11)    1.49                61
 09/14/2024   23:27:19   (  70.04,-175.38) 09/14/2024   23:27:03  (  70.04,-175.40)    1.02                16
 09/15/2024   00:17:51   ( -69.42,  -7.14) 09/15/2024   00:16:41  ( -69.49,  -8.53)   54.59                70
 09/17/2024   14:53:24   ( -70.15, 132.94) 09/17/2024   14:53:59  ( -70.15, 133.01)    2.60                35
 09/17/2024   15:44:08   (  70.05, -59.58) 09/17/2024   15:43:26  (  70.04, -59.51)    3.13                42
 09/20/2024   06:19:37   (  70.54,  80.82) 09/20/2024   06:20:48  (  70.44,  81.72)   34.79                71
 09/20/2024   07:10:12   ( -70.08,-111.14) 09/20/2024   07:10:23  ( -70.06,-111.20)    2.81                11
 09/20/2024   08:00:56   (  69.97,  56.33) 09/20/2024   07:59:49  (  70.00,  56.35)    3.14                67