Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 1 12.  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)
 01/13/2024   15:43:08   ( -69.99, 120.26) 01/13/2024   15:43:54  ( -70.00, 120.33)    2.85                46
 01/13/2024   16:33:52   (  69.86, -72.25) 01/13/2024   16:33:22  (  69.84, -72.25)    3.30                30
 01/16/2024   07:09:34   (  70.88,  67.30) 01/16/2024   07:10:40  (  70.76,  69.70)   88.60                66
 01/16/2024   08:00:00   ( -69.96,-123.92) 01/16/2024   08:00:23  ( -69.94,-123.87)    2.45                23
 01/16/2024   08:50:44   (  69.84,  43.58) 01/16/2024   08:49:50  (  69.83,  43.63)    1.96                54
 01/18/2024   23:26:11   (  70.02,-175.55) 01/18/2024   23:27:22  (  70.02,-175.51)    1.40                71
 01/19/2024   00:16:52   ( -69.89,  -8.02) 01/19/2024   00:16:52  ( -69.91,  -8.03)    3.16                 0
 01/19/2024   01:07:34   (  69.66, 159.62) 01/19/2024   01:06:21  (  69.69, 159.31)   12.45                73
 01/21/2024   15:43:03   (  69.96, -59.68) 01/21/2024   15:43:51  (  69.95, -59.72)    2.13                48
 01/21/2024   16:33:45   ( -69.88, 107.77) 01/21/2024   16:33:21  ( -69.85, 107.77)    2.93                24
 01/24/2024   07:59:56   (  69.97,  56.10) 01/24/2024   08:00:18  (  69.96,  56.18)    2.89                22
 01/24/2024   08:50:37   ( -69.83,-136.37) 01/24/2024   08:49:49  ( -69.81,-136.41)    2.47                48