Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 3 31.  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)
 04/01/2024   06:44:42   (  70.99,  73.42) 04/01/2024   06:45:48  (  70.89,  76.02)   95.07                66
 04/01/2024   07:35:07   ( -70.00,-117.67) 04/01/2024   07:35:32  ( -70.01,-117.64)    1.68                25
 04/01/2024   08:25:51   (  69.89,  49.80) 04/01/2024   08:24:59  (  69.90,  49.85)    2.45                52
 04/03/2024   23:01:21   (  70.08,-169.33) 04/03/2024   23:02:31  (  70.08,-169.30)    1.18                70
 04/03/2024   23:52:03   ( -69.97,  -1.86) 04/03/2024   23:52:01  ( -69.97,  -1.82)    1.65                 2
 04/04/2024   00:42:43   (  69.66, 165.92) 04/04/2024   00:41:31  (  69.69, 165.44)   18.99                72
 04/06/2024   15:18:16   (  70.02, -53.47) 04/06/2024   15:18:59  (  70.04, -53.47)    3.11                43
 04/06/2024   16:08:58   ( -69.91, 114.01) 04/06/2024   16:08:29  ( -69.94, 114.02)    3.42                29
 04/09/2024   06:44:40   ( -70.80,-106.25) 04/09/2024   06:45:48  ( -70.68,-104.30)   73.05                68
 04/09/2024   07:35:10   (  69.97,  62.37) 04/09/2024   07:35:26  (  69.96,  62.30)    2.82                16
 04/09/2024   08:25:52   ( -69.86,-130.15) 04/09/2024   08:24:56  ( -69.86,-130.20)    2.11                56
 04/11/2024   23:01:22   ( -70.09,  10.65) 04/11/2024   23:02:25  ( -70.07,  10.69)    2.83                63
 04/11/2024   23:52:05   (  69.94, 178.19) 04/11/2024   23:51:52  (  69.95, 178.17)    0.94                13
 04/12/2024   00:42:39   ( -69.41, -13.71) 04/12/2024   00:41:29  ( -69.46, -14.86)   45.34                70