Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 4 28.  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)
 04/30/2024   14:27:49   (  71.00, -42.32) 04/30/2024   14:28:55  (  70.88, -39.85)   90.45                66
 04/30/2024   15:18:15   ( -70.07, 126.50) 04/30/2024   15:18:38  ( -70.05, 126.57)    2.69                23
 04/30/2024   16:08:58   (  69.90, -65.94) 04/30/2024   16:08:06  (  69.89, -66.02)    3.06                52
 05/03/2024   06:44:25   (  70.09,  74.94) 05/03/2024   06:45:36  (  70.11,  74.90)    3.30                71
 05/03/2024   07:35:07   ( -69.99,-117.60) 05/03/2024   07:35:06  ( -70.01,-117.62)    1.57                 1
 05/03/2024   08:25:48   (  69.73,  50.11) 05/03/2024   08:24:35  (  69.79,  49.72)   16.42                73
 05/05/2024   23:01:18   (  70.09,-169.28) 05/05/2024   23:02:03  (  70.06,-169.29)    3.16                45
 05/05/2024   23:51:59   ( -69.94,  -1.74) 05/05/2024   23:51:33  ( -69.95,  -1.81)    3.14                26
 05/08/2024   14:27:42   ( -71.00, 137.74) 05/08/2024   14:28:48  ( -70.88, 140.17)   89.19                66
 05/08/2024   15:18:10   (  70.05, -53.44) 05/08/2024   15:18:28  (  70.06, -53.41)    1.34                18
 05/08/2024   16:08:52   ( -69.96, 114.02) 05/08/2024   16:07:58  ( -69.95, 114.08)    2.22                54
 05/11/2024   06:44:17   ( -70.14,-105.09) 05/11/2024   06:45:25  ( -70.12,-105.07)    2.87                68
 05/11/2024   07:35:00   (  69.99,  62.45) 05/11/2024   07:34:52  (  70.00,  62.40)    2.25                 8
 05/11/2024   08:25:38   ( -69.68,-129.77) 05/11/2024   08:24:25  ( -69.73,-130.34)   22.67                73