Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 10 5.  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)
 10/07/2024   13:38:39   ( -71.08, 150.25) 10/07/2024   13:39:45  ( -71.00, 152.79)   92.56                66
 10/07/2024   14:29:07   (  70.11, -40.87) 10/07/2024   14:29:26  (  70.13, -40.86)    2.28                19
 10/07/2024   15:19:49   ( -70.04, 126.56) 10/07/2024   15:18:56  ( -70.02, 126.61)    3.27                53
 10/10/2024   05:55:20   ( -70.21, -92.56) 10/10/2024   05:56:24  ( -70.19, -92.52)    2.55                64
 10/10/2024   06:46:04   (  70.07,  74.96) 10/10/2024   06:45:51  (  70.08,  74.97)    0.85                13
 10/10/2024   07:36:38   ( -69.58,-116.98) 10/10/2024   07:35:27  ( -69.64,-118.01)   40.42                71
 10/12/2024   22:12:15   ( -70.16,  23.29) 10/12/2024   22:12:45  ( -70.17,  23.37)    2.99                30
 10/12/2024   23:02:59   (  70.03,-169.20) 10/12/2024   23:02:13  (  70.00,-169.23)    3.39                46
 10/15/2024   13:38:28   (  70.17, -28.27) 10/15/2024   13:39:36  (  70.17, -28.34)    2.51                68
 10/15/2024   14:29:10   ( -70.10, 139.17) 10/15/2024   14:29:05  ( -70.12, 139.22)    2.86                 5
 10/15/2024   15:19:48   (  69.65, -52.86) 10/15/2024   15:18:37  (  69.72, -53.69)   33.30                71
 10/18/2024   05:55:23   (  70.16,  87.53) 10/18/2024   05:55:53  (  70.14,  87.55)    2.00                30
 10/18/2024   06:46:04   ( -70.02,-104.94) 10/18/2024   06:45:23  ( -70.03,-104.97)    1.34                41