Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 1 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)
 01/06/2024   23:51:39   (  69.95, 178.18) 01/06/2024   23:52:12  (  69.93, 178.22)    2.54                33
 01/07/2024   00:42:20   ( -69.81, -14.29) 01/07/2024   00:41:42  ( -69.81, -14.31)    0.57                38
 01/09/2024   15:17:56   ( -70.43, 125.91) 01/09/2024   15:19:06  ( -70.30, 127.00)   43.30                70
 01/09/2024   16:08:32   (  69.89, -65.95) 01/09/2024   16:08:39  (  69.86, -65.98)    3.10                 7
 01/09/2024   16:59:13   ( -69.75, 101.57) 01/09/2024   16:58:09  ( -69.75, 101.50)    2.61                64
 01/12/2024   07:34:41   ( -69.96,-117.59) 01/12/2024   07:35:38  ( -69.94,-117.62)    2.25                57
 01/12/2024   08:25:25   (  69.84,  49.90) 01/12/2024   08:25:05  (  69.83,  49.87)    1.62                20
 01/12/2024   09:15:54   ( -69.07,-141.67) 01/12/2024   09:14:46  ( -69.12,-143.45)   71.02                68
 01/14/2024   23:51:33   ( -69.92,  -1.75) 01/14/2024   23:52:02  ( -69.94,  -1.72)    2.84                29
 01/15/2024   00:42:17   (  69.80, 165.74) 01/15/2024   00:41:29  (  69.83, 165.76)    3.01                48
 01/17/2024   15:17:46   (  70.08, -53.53) 01/17/2024   15:18:57  (  70.02, -53.34)    9.62                71
 01/17/2024   16:08:26   ( -69.89, 114.09) 01/17/2024   16:08:28  ( -69.86, 114.06)    2.64                 2
 01/17/2024   16:59:08   (  69.67, -78.28) 01/17/2024   16:57:56  (  69.69, -78.53)    9.91                72