Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 3 6.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-21) NOAA-21 Lat/Lon Date Time(LANDSAT-9) LANDSAT-9 Lat/Lon    Distance(km)  Time Diff(sec)
 03/08/2024   07:34:45   (  70.04,  62.33) 03/08/2024   07:35:41  (  70.03,  62.40)    3.09                56
 03/08/2024   08:25:26   ( -69.90,-130.14) 03/08/2024   08:25:11  ( -69.92,-130.13)    1.72                15
 03/08/2024   09:15:58   (  69.14,  38.27) 03/08/2024   09:14:49  (  69.20,  36.56)   68.16                69
 03/10/2024   23:51:42   (  69.95, 178.23) 03/10/2024   23:52:11  (  69.94, 178.16)    2.99                29
 03/11/2024   00:42:24   ( -69.85, -14.31) 03/11/2024   00:41:41  ( -69.83, -14.36)    3.08                43
 03/13/2024   15:17:58   ( -70.18, 126.32) 03/13/2024   15:19:09  ( -70.15, 126.69)   14.23                71
 03/13/2024   16:08:39   (  69.92, -65.96) 03/13/2024   16:08:38  (  69.93, -65.98)    1.99                 1
 03/13/2024   16:59:21   ( -69.82, 101.51) 03/13/2024   16:58:08  ( -69.83, 101.51)    1.01                73
 03/16/2024   07:34:53   ( -70.00,-117.63) 03/16/2024   07:35:39  ( -70.00,-117.64)    0.42                46
 03/16/2024   08:25:37   (  69.89,  49.84) 03/16/2024   08:25:06  (  69.89,  49.84)    0.87                31
 03/18/2024   23:01:19   (  70.62,-170.16) 03/18/2024   23:02:28  (  70.52,-168.64)   57.13                69
 03/18/2024   23:51:51   ( -69.98,  -1.85) 03/18/2024   23:52:06  ( -69.98,  -1.79)    2.22                15
 03/19/2024   00:42:34   (  69.83, 165.70) 03/19/2024   00:41:33  (  69.86, 165.69)    3.41                61