Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 3 22.  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)
 03/24/2024   07:35:03   (  70.00,  62.33) 03/24/2024   07:35:37  (  70.00,  62.34)    0.49                34
 03/24/2024   08:25:45   ( -69.91,-130.20) 03/24/2024   08:25:07  ( -69.89,-130.18)    2.07                38
 03/26/2024   23:01:21   ( -70.40,  10.18) 03/26/2024   23:02:32  ( -70.30,  11.01)   32.91                71
 03/26/2024   23:51:59   (  69.97, 178.14) 03/26/2024   23:52:03  (  69.97, 178.19)    1.73                 4
 03/27/2024   00:42:41   ( -69.87, -14.39) 03/27/2024   00:41:33  ( -69.86, -14.33)    2.49                68
 03/29/2024   15:18:11   ( -70.01, 126.55) 03/29/2024   15:19:03  ( -70.01, 126.49)    2.34                52
 03/29/2024   16:08:55   (  69.91, -65.99) 03/29/2024   16:08:30  (  69.90, -66.03)    2.00                25
 03/29/2024   16:59:21   ( -68.95, 102.70) 03/29/2024   16:58:14  ( -69.02, 100.43)   90.68                67
 04/01/2024   06:44:40   (  70.85,  73.67) 04/01/2024   06:45:47  (  70.71,  75.77)   78.50                67
 04/01/2024   07:35:08   ( -70.00,-117.67) 04/01/2024   07:35:28  ( -70.01,-117.63)    1.84                20
 04/01/2024   08:25:52   (  69.90,  49.79) 04/01/2024   08:24:55  (  69.89,  49.85)    3.03                57
 04/03/2024   23:01:22   (  70.07,-169.32) 04/03/2024   23:02:23  (  70.06,-169.29)    1.47                61
 04/03/2024   23:52:04   ( -69.96,  -1.83) 04/03/2024   23:51:53  ( -69.96,  -1.80)    1.36                11
 04/04/2024   00:42:38   (  69.33, 166.40) 04/04/2024   00:41:28  (  69.39, 165.08)   52.22                70