Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 3 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)
 03/09/2024   15:43:13   (  70.00, -59.73) 03/09/2024   15:43:36  (  69.99, -59.71)    1.14                23
 03/09/2024   16:33:54   ( -69.86, 107.81) 03/09/2024   16:33:06  ( -69.88, 107.76)    2.69                48
 03/12/2024   07:09:27   ( -70.08,-111.39) 03/12/2024   07:10:38  ( -70.06,-111.38)    1.77                71
 03/12/2024   08:00:11   (  69.96,  56.09) 03/12/2024   08:00:05  (  69.96,  56.12)    1.16                 6
 03/12/2024   08:50:50   ( -69.71,-136.21) 03/12/2024   08:49:37  ( -69.73,-136.56)   13.64                73
 03/14/2024   23:26:25   ( -70.04,   4.42) 03/14/2024   23:27:06  ( -70.05,   4.49)    2.89                41
 03/15/2024   00:17:08   (  69.88, 171.98) 03/15/2024   00:16:34  (  69.89, 171.91)    3.22                34
 03/17/2024   14:52:49   (  70.54, -47.91) 03/17/2024   14:53:59  (  70.40, -46.76)   45.49                70
 03/17/2024   15:43:22   ( -69.96, 120.31) 03/17/2024   15:43:35  ( -69.96, 120.24)    2.48                13
 03/17/2024   16:34:06   (  69.86, -72.22) 03/17/2024   16:33:02  (  69.85, -72.27)    1.62                64
 03/20/2024   07:09:37   (  70.05,  68.62) 03/20/2024   07:10:31  (  70.05,  68.62)    0.42                54
 03/20/2024   08:00:19   ( -69.94,-123.90) 03/20/2024   08:00:01  ( -69.95,-123.89)    0.63                18
 03/20/2024   08:50:48   (  69.04,  44.71) 03/20/2024   08:49:41  (  69.12,  42.63)   82.74                67