Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 1 10.  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)
 01/12/2024   07:34:41   ( -69.98,-117.62) 01/12/2024   07:35:49  ( -69.96,-117.64)    2.02                68
 01/12/2024   08:25:25   (  69.86,  49.87) 01/12/2024   08:25:16  (  69.86,  49.86)    0.61                 9
 01/12/2024   09:16:02   ( -69.51,-142.30) 01/12/2024   09:14:49  ( -69.59,-142.88)   24.07                73
 01/14/2024   23:51:34   ( -69.94,  -1.78) 01/14/2024   23:52:19  ( -69.95,  -1.79)    0.84                45
 01/15/2024   00:42:18   (  69.82, 165.71) 01/15/2024   00:41:46  (  69.84, 165.71)    2.24                32
 01/17/2024   15:17:59   (  70.79, -54.65) 01/17/2024   15:19:06  (  70.67, -52.50)   80.23                67
 01/17/2024   16:08:26   ( -69.91, 114.05) 01/17/2024   16:08:48  ( -69.90, 114.03)    1.02                22
 01/17/2024   16:59:10   (  69.79, -78.47) 01/17/2024   16:58:15  (  69.79, -78.48)    0.42                55
 01/20/2024   07:34:37   (  69.98,  62.41) 01/20/2024   07:35:47  (  69.99,  62.39)    1.26                70
 01/20/2024   08:25:19   ( -69.89,-130.14) 01/20/2024   08:25:17  ( -69.88,-130.12)    1.06                 2
 01/20/2024   09:15:59   (  69.56,  37.65) 01/20/2024   09:14:47  (  69.60,  37.14)   20.37                72
 01/22/2024   23:51:30   (  69.97, 178.21) 01/22/2024   23:52:16  (  69.94, 178.20)    3.48                46
 01/23/2024   00:42:11   ( -69.82, -14.26) 01/23/2024   00:41:46  ( -69.83, -14.30)    2.04                25