Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 11 18.  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)
 11/19/2024   05:05:57   ( -71.20, -81.56) 11/19/2024   05:07:03  ( -71.07, -78.90)   96.74                66
 11/19/2024   05:56:24   (  70.21,  87.37) 11/19/2024   05:56:44  (  70.20,  87.44)    2.65                20
 11/19/2024   06:47:05   ( -70.06,-105.09) 11/19/2024   06:46:15  ( -70.04,-105.16)    3.28                50
 11/21/2024   21:22:36   ( -70.41,  35.51) 11/21/2024   21:23:47  ( -70.37,  35.91)   15.48                71
 11/21/2024   22:13:17   (  70.15,-156.78) 11/21/2024   22:13:16  (  70.16,-156.76)    1.41                 1
 11/21/2024   23:03:59   ( -70.05,  10.69) 11/21/2024   23:02:46  ( -70.06,  10.73)    1.59                73
 11/24/2024   13:39:28   ( -70.25, 151.52) 11/24/2024   13:40:21  ( -70.24, 151.58)    2.84                53
 11/24/2024   14:30:11   (  70.10, -40.94) 11/24/2024   14:29:48  (  70.13, -40.93)    3.05                23
 11/24/2024   15:20:39   ( -69.25, 127.62) 11/24/2024   15:19:31  ( -69.31, 125.58)   80.27                68
 11/27/2024   05:56:21   ( -70.16, -92.57) 11/27/2024   05:56:53  ( -70.18, -92.63)    2.98                32
 11/27/2024   06:47:05   (  70.07,  74.87) 11/27/2024   06:46:20  (  70.06,  74.85)    1.24                45
 11/29/2024   21:22:39   (  70.57,-144.76) 11/29/2024   21:23:50  (  70.44,-144.00)   31.32                71
 11/29/2024   22:13:15   ( -70.13,  23.24) 11/29/2024   22:13:24  ( -70.12,  23.17)    2.65                 9
 11/29/2024   23:03:59   (  70.04,-169.32) 11/29/2024   23:02:50  (  70.06,-169.27)    2.86                69