Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 1 4.  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)
 01/05/2024   15:43:12   (  69.96, -59.72) 01/05/2024   15:43:48  (  69.95, -59.71)    1.42                36
 01/05/2024   16:33:53   ( -69.82, 107.80) 01/05/2024   16:33:18  ( -69.83, 107.77)    1.54                35
 01/08/2024   07:09:30   ( -70.49,-112.08) 01/08/2024   07:10:40  ( -70.42,-110.78)   49.07                70
 01/08/2024   08:00:05   (  69.90,  56.15) 01/08/2024   08:00:15  (  69.87,  56.09)    3.50                10
 01/08/2024   08:50:47   ( -69.81,-136.41) 01/08/2024   08:49:44  ( -69.82,-136.36)    2.01                63
 01/10/2024   23:26:15   ( -70.02,   4.44) 01/10/2024   23:27:13  ( -70.00,   4.52)    3.27                58
 01/11/2024   00:16:58   (  69.85, 172.00) 01/11/2024   00:16:41  (  69.84, 171.93)    3.08                17
 01/11/2024   01:07:29   ( -69.18, -19.71) 01/11/2024   01:06:20  ( -69.23, -21.25)   61.17                69
 01/13/2024   15:43:08   ( -69.97, 120.29) 01/13/2024   15:43:39  ( -69.95, 120.33)    2.98                31
 01/13/2024   16:33:52   (  69.85, -72.23) 01/13/2024   16:33:06  (  69.83, -72.18)    2.92                46
 01/16/2024   07:09:21   (  70.18,  68.43) 01/16/2024   07:10:32  (  70.09,  68.79)   17.28                71
 01/16/2024   08:00:00   ( -69.93,-123.88) 01/16/2024   08:00:03  ( -69.93,-123.80)    2.95                 3
 01/16/2024   08:50:43   (  69.77,  43.68) 01/16/2024   08:49:31  (  69.75,  43.61)    3.17                72