Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 3 9.  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)
 03/10/2024   23:51:41   (  69.94, 178.25) 03/10/2024   23:52:10  (  69.96, 178.17)    3.54                29
 03/11/2024   00:42:23   ( -69.85, -14.30) 03/11/2024   00:41:40  ( -69.84, -14.35)    2.08                43
 03/13/2024   15:17:58   ( -70.18, 126.33) 03/13/2024   15:19:10  ( -70.11, 126.62)   13.47                72
 03/13/2024   16:08:40   (  69.96, -66.02) 03/13/2024   16:08:38  (  69.95, -65.96)    2.68                 2
 03/13/2024   16:59:21   ( -69.81, 101.52) 03/13/2024   16:58:08  ( -69.84, 101.52)    2.87                73
 03/16/2024   07:34:53   ( -69.99,-117.62) 03/16/2024   07:35:39  ( -70.01,-117.63)    2.14                46
 03/16/2024   08:25:37   (  69.88,  49.86) 03/16/2024   08:25:06  (  69.90,  49.86)    2.11                31
 03/18/2024   23:01:19   (  70.60,-170.14) 03/18/2024   23:02:28  (  70.53,-168.62)   56.57                69
 03/18/2024   23:51:51   ( -69.97,  -1.83) 03/18/2024   23:52:06  ( -69.99,  -1.78)    2.69                15
 03/19/2024   00:42:35   (  69.87, 165.64) 03/19/2024   00:41:33  (  69.87, 165.71)    2.80                62
 03/21/2024   15:18:05   (  70.02, -53.45) 03/21/2024   15:19:02  (  70.03, -53.46)    1.39                57
 03/21/2024   16:08:47   ( -69.91, 114.02) 03/21/2024   16:08:32  ( -69.93, 114.03)    2.02                15
 03/21/2024   16:59:19   (  69.17, -77.59) 03/21/2024   16:58:10  (  69.20, -79.30)   67.82                69