Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 7 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)
 07/19/2024   14:28:21   (  70.13, -40.92) 07/19/2024   14:28:59  (  70.13, -40.88)    1.66                38
 07/19/2024   15:19:03   ( -70.03, 126.55) 07/19/2024   15:18:29  ( -70.02, 126.60)    2.51                34
 07/22/2024   05:54:44   ( -70.80, -93.52) 07/22/2024   05:55:52  ( -70.69, -91.81)   63.76                68
 07/22/2024   06:45:17   (  70.11,  74.88) 07/22/2024   06:45:28  (  70.09,  74.96)    3.59                11
 07/22/2024   07:35:58   ( -69.96,-117.57) 07/22/2024   07:34:58  ( -69.98,-117.57)    2.47                60
 07/24/2024   22:11:28   ( -70.16,  23.27) 07/24/2024   22:12:29  ( -70.16,  23.31)    1.45                61
 07/24/2024   23:02:12   (  70.06,-169.26) 07/24/2024   23:01:56  (  70.05,-169.20)    2.20                16
 07/24/2024   23:52:44   ( -69.43,  -1.01) 07/24/2024   23:51:34  ( -69.51,  -2.33)   52.32                70
 07/27/2024   14:28:23   ( -70.11, 139.12) 07/27/2024   14:28:56  ( -70.13, 139.16)    2.40                33
 07/27/2024   15:19:07   (  70.02, -53.42) 07/27/2024   15:18:23  (  70.02, -53.36)    2.42                44
 07/30/2024   05:54:38   (  70.35,  87.21) 07/30/2024   05:55:50  (  70.26,  87.61)   18.42                72
 07/30/2024   06:45:17   ( -70.08,-105.06) 07/30/2024   06:45:21  ( -70.10,-104.99)    3.16                 4
 07/30/2024   07:36:00   (  69.94,  62.48) 07/30/2024   07:34:49  (  69.93,  62.41)    2.62                71