Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 9 21.  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)
 09/21/2024   14:28:38   (  70.13, -40.81) 09/21/2024   14:29:19  (  70.11, -40.88)    3.31                41
 09/21/2024   15:19:20   ( -70.05, 126.62) 09/21/2024   15:18:48  ( -70.05, 126.67)    1.69                32
 09/24/2024   05:55:02   ( -70.62, -93.15) 09/24/2024   05:56:12  ( -70.53, -92.01)   43.55                70
 09/24/2024   06:45:38   (  70.07,  75.03) 09/24/2024   06:45:45  (  70.10,  75.00)    3.15                 7
 09/24/2024   07:36:20   ( -69.99,-117.54) 09/24/2024   07:35:15  ( -69.99,-117.52)    0.79                65
 09/26/2024   22:11:54   ( -70.16,  23.33) 09/26/2024   22:12:44  ( -70.14,  23.32)    2.65                50
 09/26/2024   23:02:38   (  70.03,-169.16) 09/26/2024   23:02:11  (  70.03,-169.20)    1.53                27
 09/26/2024   23:53:03   ( -69.05,  -0.41) 09/26/2024   23:51:56  ( -69.09,  -2.83)   96.01                67
 09/29/2024   13:38:22   (  70.75, -29.16) 09/29/2024   13:39:31  (  70.62, -27.71)   55.32                69
 09/29/2024   14:28:54   ( -70.14, 139.13) 09/29/2024   14:29:08  ( -70.13, 139.20)    3.34                14
 09/29/2024   15:19:38   (  70.01, -53.37) 09/29/2024   15:18:35  (  70.01, -53.32)    1.92                63
 10/02/2024   05:55:10   (  70.16,  87.53) 10/02/2024   05:56:01  (  70.16,  87.53)    0.42                51
 10/02/2024   06:45:52   ( -70.08,-105.02) 10/02/2024   06:45:31  ( -70.05,-104.99)    3.23                21
 10/02/2024   07:36:19   (  69.04,  63.79) 10/02/2024   07:35:13  (  69.10,  61.37)   96.36                66
 10/04/2024   21:21:38   ( -70.93,  34.75) 10/04/2024   21:22:46  ( -70.80,  36.75)   74.26                68
 10/04/2024   22:12:09   (  70.12,-156.64) 10/04/2024   22:12:23  (  70.13,-156.59)    2.61                14
 10/04/2024   23:02:50   ( -69.98,  10.88) 10/04/2024   23:01:54  ( -69.97,  10.82)    2.67                56