Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 6 30.  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   22:11:13   (  70.13,-156.69) 06/30/2024   22:12:13  (  70.16,-156.69)    3.38                60
 06/30/2024   23:01:55   ( -70.05,  10.76) 06/30/2024   23:01:43  ( -70.05,  10.79)    1.21                12
 06/30/2024   23:52:29   (  69.39, 179.04) 06/30/2024   23:51:19  (  69.46, 177.61)   56.35                70
 07/03/2024   14:28:09   (  70.10, -40.86) 07/03/2024   14:28:47  (  70.08, -40.93)    3.13                38
 07/03/2024   15:18:51   ( -70.01, 126.58) 07/03/2024   15:18:16  ( -70.03, 126.62)    2.47                35
 07/06/2024   05:54:34   ( -70.82, -93.56) 07/06/2024   05:55:43  ( -70.72, -91.76)   66.62                69
 07/06/2024   06:45:06   (  70.07,  74.94) 07/06/2024   06:45:20  (  70.07,  74.92)    0.64                14
 07/06/2024   07:35:48   ( -69.98,-117.61) 07/06/2024   07:34:50  ( -69.97,-117.59)    1.73                58
 07/08/2024   22:11:19   ( -70.18,  23.24) 07/08/2024   22:12:25  ( -70.19,  23.32)    3.30                66
 07/08/2024   23:02:02   (  70.01,-169.19) 07/08/2024   23:01:53  (  70.03,-169.27)    3.44                 9
 07/08/2024   23:52:39   ( -69.65,  -1.34) 07/08/2024   23:51:27  ( -69.70,  -2.08)   29.37                72
 07/11/2024   14:28:15   ( -70.12, 139.10) 07/11/2024   14:28:58  ( -70.11, 139.08)    1.50                43
 07/11/2024   15:18:59   (  70.01, -53.43) 07/11/2024   15:18:25  (  70.00, -53.44)    1.83                34