Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 3 4.  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)
 03/05/2024   15:17:55   (  70.53, -54.19) 03/05/2024   15:19:04  (  70.44, -52.89)   49.47                69
 03/05/2024   16:08:28   ( -69.97, 114.01) 03/05/2024   16:08:41  ( -69.94, 114.03)    3.35                13
 03/05/2024   16:59:12   (  69.84, -78.50) 03/05/2024   16:58:08  (  69.84, -78.47)    1.55                64
 03/08/2024   07:34:44   (  70.00,  62.39) 03/08/2024   07:35:41  (  69.99,  62.34)    2.35                57
 03/08/2024   08:25:26   ( -69.91,-130.15) 03/08/2024   08:25:10  ( -69.93,-130.10)    3.24                16
 03/08/2024   09:15:57   (  69.10,  38.33) 03/08/2024   09:14:49  (  69.16,  36.51)   72.60                68
 03/10/2024   23:51:42   (  69.96, 178.22) 03/10/2024   23:52:10  (  69.94, 178.16)    3.07                28
 03/11/2024   00:42:24   ( -69.86, -14.32) 03/11/2024   00:41:39  ( -69.89, -14.28)    3.27                45
 03/13/2024   15:17:58   ( -70.14, 126.39) 03/13/2024   15:19:10  ( -70.08, 126.59)   10.11                72
 03/13/2024   16:08:40   (  69.93, -65.97) 03/13/2024   16:08:38  (  69.91, -66.01)    2.33                 2
 03/13/2024   16:59:21   ( -69.77, 101.58) 03/13/2024   16:58:08  ( -69.80, 101.48)    5.07                73
 03/16/2024   07:34:53   ( -70.01,-117.64) 03/16/2024   07:35:37  ( -70.01,-117.62)    0.69                44
 03/16/2024   08:25:37   (  69.90,  49.83) 03/16/2024   08:25:04  (  69.89,  49.86)    1.74                33