Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 1 25.  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)
 01/26/2024   23:26:03   ( -70.08,   4.40) 01/26/2024   23:27:15  ( -70.05,   4.54)    6.47                72
 01/27/2024   00:16:46   (  69.90, 171.98) 01/27/2024   00:16:43  (  69.89, 171.96)    2.31                 3
 01/27/2024   01:07:26   ( -69.72, -20.43) 01/27/2024   01:06:13  ( -69.77, -20.57)    7.62                73
 01/29/2024   15:42:54   ( -70.01, 120.29) 01/29/2024   15:43:41  ( -70.00, 120.37)    3.20                47
 01/29/2024   16:33:38   (  69.89, -72.22) 01/29/2024   16:33:08  (  69.89, -72.14)    2.93                30
 02/01/2024   07:09:18   (  70.83,  67.46) 02/01/2024   07:10:25  (  70.68,  69.63)   80.97                67
 02/01/2024   07:59:45   ( -69.96,-123.84) 02/01/2024   08:00:06  ( -69.97,-123.78)    2.52                21
 02/01/2024   08:50:29   (  69.84,  43.65) 02/01/2024   08:49:33  (  69.86,  43.71)    3.03                56
 02/03/2024   23:25:53   (  70.00,-175.43) 02/03/2024   23:27:00  (  70.01,-175.46)    1.29                67
 02/04/2024   00:16:35   ( -69.92,  -7.98) 02/04/2024   00:16:30  ( -69.90,  -7.98)    1.91                 5
 02/04/2024   01:07:13   (  69.48, 159.97) 02/04/2024   01:06:01  (  69.56, 159.21)   30.91                72
 02/06/2024   15:42:44   (  69.97, -59.60) 02/06/2024   15:43:24  (  69.95, -59.64)    3.30                40
 02/06/2024   16:33:26   ( -69.88, 107.85) 02/06/2024   16:32:53  ( -69.89, 107.92)    2.75                33