Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 6 29.  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)
 06/30/2024   22:11:14   (  70.17,-156.75) 06/30/2024   22:12:13  (  70.17,-156.68)    2.82                59
 06/30/2024   23:01:55   ( -70.04,  10.77) 06/30/2024   23:01:43  ( -70.06,  10.80)    1.94                12
 06/30/2024   23:52:28   (  69.38, 179.05) 06/30/2024   23:51:19  (  69.41, 177.54)   59.21                69
 07/03/2024   14:28:10   (  70.14, -40.93) 07/03/2024   14:28:46  (  70.13, -40.86)    2.51                36
 07/03/2024   15:18:51   ( -70.00, 126.60) 07/03/2024   15:18:16  ( -70.02, 126.62)    2.81                35
 07/06/2024   05:54:34   ( -70.80, -93.53) 07/06/2024   05:55:43  ( -70.70, -91.79)   64.81                69
 07/06/2024   06:45:06   (  70.06,  74.96) 07/06/2024   06:45:20  (  70.05,  74.89)    2.80                14
 07/06/2024   07:35:48   ( -69.97,-117.58) 07/06/2024   07:34:50  ( -69.95,-117.62)    2.84                58
 07/08/2024   22:11:19   ( -70.16,  23.27) 07/08/2024   22:12:25  ( -70.14,  23.26)    1.41                66
 07/08/2024   23:02:03   (  70.04,-169.25) 07/08/2024   23:01:52  (  70.03,-169.25)    1.17                11
 07/08/2024   23:52:39   ( -69.63,  -1.31) 07/08/2024   23:51:27  ( -69.66,  -2.14)   32.26                72
 07/11/2024   14:28:15   ( -70.10, 139.13) 07/11/2024   14:28:57  ( -70.09, 139.06)    3.08                42
 07/11/2024   15:18:59   (  69.99, -53.39) 07/11/2024   15:18:24  (  69.97, -53.46)    3.04                35