Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 7 26.  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)
 07/27/2024   14:28:26   ( -70.10, 139.12) 07/27/2024   14:28:57  ( -70.12, 139.14)    1.74                31
 07/27/2024   15:19:10   (  70.00, -53.40) 07/27/2024   15:18:24  (  70.02, -53.37)    2.71                46
 07/30/2024   05:54:41   (  70.24,  87.36) 07/30/2024   05:55:53  (  70.20,  87.51)    7.64                72
 07/30/2024   06:45:22   ( -70.09,-105.08) 07/30/2024   06:45:23  ( -70.08,-105.02)    2.39                 1
 07/30/2024   07:36:04   (  69.87,  62.55) 07/30/2024   07:34:51  (  69.92,  62.40)    7.69                73
 08/01/2024   22:11:36   (  70.13,-156.70) 08/01/2024   22:12:20  (  70.12,-156.70)    1.22                44
 08/01/2024   23:02:18   ( -70.02,  10.78) 08/01/2024   23:01:50  ( -70.01,  10.78)    1.31                28
 08/04/2024   13:38:01   ( -70.86, 150.60) 08/04/2024   13:39:09  ( -70.72, 152.45)   69.45                68
 08/04/2024   14:28:32   (  70.08, -40.85) 08/04/2024   14:28:46  (  70.06, -40.88)    2.24                14
 08/04/2024   15:19:14   ( -69.97, 126.63) 08/04/2024   15:18:16  ( -69.96, 126.61)    1.73                58
 08/07/2024   05:54:44   ( -70.14, -92.47) 08/07/2024   05:55:44  ( -70.15, -92.50)    1.43                60
 08/07/2024   06:45:28   (  70.04,  74.98) 08/07/2024   06:45:11  (  70.03,  74.98)    1.88                17