Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 7 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)
 07/22/2024   05:54:43   ( -70.75, -93.45) 07/22/2024   05:55:52  ( -70.69, -91.81)   60.48                69
 07/22/2024   06:45:16   (  70.07,  74.95) 07/22/2024   06:45:28  (  70.10,  74.96)    3.25                12
 07/22/2024   07:35:58   ( -69.97,-117.59) 07/22/2024   07:34:58  ( -69.98,-117.57)    1.30                60
 07/24/2024   22:11:28   ( -70.17,  23.26) 07/24/2024   22:12:29  ( -70.17,  23.32)    2.25                61
 07/24/2024   23:02:11   (  70.01,-169.19) 07/24/2024   23:01:57  (  70.01,-169.27)    2.96                14
 07/24/2024   23:52:44   ( -69.44,  -1.02) 07/24/2024   23:51:34  ( -69.51,  -2.32)   51.37                70
 07/27/2024   14:28:23   ( -70.12, 139.10) 07/27/2024   14:28:57  ( -70.09, 139.10)    3.41                34
 07/27/2024   15:19:06   (  69.97, -53.35) 07/27/2024   15:18:24  (  69.98, -53.41)    2.56                42
 07/30/2024   05:54:40   (  70.41,  87.11) 07/30/2024   05:55:50  (  70.35,  87.73)   24.51                70
 07/30/2024   06:45:18   ( -70.09,-105.07) 07/30/2024   06:45:23  ( -70.07,-105.03)    2.84                 5
 07/30/2024   07:36:01   (  69.94,  62.46) 07/30/2024   07:34:50  (  69.96,  62.46)    1.71                71
 08/01/2024   22:11:29   (  70.14,-156.68) 08/01/2024   22:12:17  (  70.16,-156.63)    3.21                48
 08/01/2024   23:02:11   ( -70.02,  10.81) 08/01/2024   23:01:48  ( -70.00,  10.78)    2.82                23