Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 11 24.  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)
 11/24/2024   13:39:27   ( -70.22, 151.57) 11/24/2024   13:40:21  ( -70.20, 151.53)    2.34                54
 11/24/2024   14:30:11   (  70.12, -40.97) 11/24/2024   14:29:48  (  70.10, -40.97)    1.94                23
 11/24/2024   15:20:38   ( -69.22, 127.66) 11/24/2024   15:19:31  ( -69.28, 125.53)   84.09                67
 11/27/2024   05:56:21   ( -70.19, -92.62) 11/27/2024   05:56:51  ( -70.21, -92.58)    2.78                30
 11/27/2024   06:47:04   (  70.04,  74.91) 11/27/2024   06:46:19  (  70.05,  74.84)    3.05                45
 11/29/2024   21:22:37   (  70.51,-144.66) 11/29/2024   21:23:49  (  70.38,-144.08)   25.68                72
 11/29/2024   22:13:14   ( -70.13,  23.24) 11/29/2024   22:13:22  ( -70.11,  23.16)    3.46                 8
 11/29/2024   23:03:58   (  70.04,-169.31) 11/29/2024   23:02:48  (  70.06,-169.27)    2.65                70
 12/02/2024   13:39:25   (  70.20, -28.42) 12/02/2024   13:40:20  (  70.23, -28.42)    3.15                55
 12/02/2024   14:30:08   ( -70.14, 139.00) 12/02/2024   14:29:50  ( -70.13, 139.07)    2.77                18
 12/02/2024   15:20:37   (  69.25, -52.39) 12/02/2024   15:19:30  (  69.30, -54.43)   80.25                67
 12/05/2024   05:56:17   (  70.18,  87.39) 12/05/2024   05:56:47  (  70.19,  87.41)    1.35                30
 12/05/2024   06:46:59   ( -70.06,-105.11) 12/05/2024   06:46:17  ( -70.09,-105.10)    3.34                42
 12/07/2024   21:22:32   ( -70.56,  35.25) 12/07/2024   21:23:43  ( -70.48,  36.09)   32.15                71
 12/07/2024   22:13:10   (  70.17,-156.82) 12/07/2024   22:13:14  (  70.15,-156.76)    3.43                 4
 12/07/2024   23:03:52   ( -70.04,  10.69) 12/07/2024   23:02:44  ( -70.05,  10.73)    1.82                68