Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 1 12.  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   ( -69.97,-117.60) 01/12/2024   07:35:49  ( -69.98,-117.62)    1.56                68
 01/12/2024   08:25:26   (  69.89,  49.82) 01/12/2024   08:25:16  (  69.88,  49.88)    3.05                10
 01/12/2024   09:16:01   ( -69.50,-142.28) 01/12/2024   09:14:49  ( -69.54,-142.94)   26.27                72
 01/14/2024   23:51:33   ( -69.93,  -1.76) 01/14/2024   23:52:18  ( -69.95,  -1.78)    2.40                45
 01/15/2024   00:42:18   (  69.86, 165.65) 01/15/2024   00:41:45  (  69.85, 165.72)    2.96                33
 01/17/2024   15:17:59   (  70.78, -54.64) 01/17/2024   15:19:06  (  70.65, -52.51)   79.18                67
 01/17/2024   16:08:26   ( -69.91, 114.06) 01/17/2024   16:08:48  ( -69.89, 114.01)    2.54                22
 01/17/2024   16:59:10   (  69.78, -78.46) 01/17/2024   16:58:15  (  69.78, -78.50)    1.64                55
 01/20/2024   07:34:37   (  69.98,  62.41) 01/20/2024   07:35:46  (  70.01,  62.42)    3.39                69
 01/20/2024   08:25:19   ( -69.89,-130.14) 01/20/2024   08:25:16  ( -69.90,-130.09)    2.16                 3
 01/20/2024   09:15:59   (  69.56,  37.66) 01/20/2024   09:14:46  (  69.62,  37.17)   20.06                73
 01/22/2024   23:51:30   (  69.97, 178.20) 01/22/2024   23:52:14  (  69.98, 178.27)    2.87                44
 01/23/2024   00:42:11   ( -69.83, -14.27) 01/23/2024   00:41:45  ( -69.82, -14.32)    2.20                26
 01/25/2024   15:17:54   ( -70.93, 125.15) 01/25/2024   15:19:00  ( -70.80, 127.72)   94.85                66
 01/25/2024   16:08:21   (  69.93, -65.95) 01/25/2024   16:08:41  (  69.92, -65.93)    1.67                20
 01/25/2024   16:59:02   ( -69.79, 101.58) 01/25/2024   16:58:11  ( -69.82, 101.56)    3.15                51