Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 7 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)
 07/24/2024   22:11:29   ( -70.14,  23.29) 07/24/2024   22:12:29  ( -70.17,  23.31)    2.71                60
 07/24/2024   23:02:13   (  70.03,-169.23) 07/24/2024   23:01:57  (  70.01,-169.27)    2.89                16
 07/24/2024   23:52:45   ( -69.41,  -0.98) 07/24/2024   23:51:35  ( -69.45,  -2.40)   55.58                70
 07/27/2024   14:28:26   ( -70.12, 139.10) 07/27/2024   14:28:57  ( -70.09, 139.10)    3.25                31
 07/27/2024   15:19:10   (  70.01, -53.43) 07/27/2024   15:18:24  (  69.98, -53.41)    3.30                46
 07/30/2024   05:54:41   (  70.21,  87.40) 07/30/2024   05:55:53  (  70.18,  87.49)    5.06                72
 07/30/2024   06:45:22   ( -70.06,-105.03) 07/30/2024   06:45:23  ( -70.07,-105.03)    1.56                 1
 07/30/2024   07:36:04   (  69.85,  62.59) 07/30/2024   07:34:51  (  69.90,  62.38)   10.25                73
 08/01/2024   22:11:35   (  70.12,-156.67) 08/01/2024   22:12:18  (  70.10,-156.71)    1.95                43
 08/01/2024   23:02:17   ( -70.01,  10.81) 08/01/2024   23:01:48  ( -70.00,  10.77)    1.94                29
 08/04/2024   13:37:58   ( -70.75, 150.78) 08/04/2024   13:39:07  ( -70.64, 152.34)   58.74                69
 08/04/2024   14:28:31   (  70.08, -40.85) 08/04/2024   14:28:42  (  70.09, -40.83)    0.93                11
 08/04/2024   15:19:13   ( -69.97, 126.64) 08/04/2024   15:18:12  ( -69.98, 126.65)    1.48                61