Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 9 6.  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)
 09/08/2024   06:45:14   (  70.12,  75.01) 09/08/2024   06:45:37  (  70.12,  75.04)    1.50                23
 09/08/2024   07:35:55   ( -69.98,-117.46) 09/08/2024   07:35:07  ( -70.00,-117.49)    2.45                48
 09/10/2024   22:11:21   ( -70.22,  23.35) 09/10/2024   22:12:33  ( -70.19,  23.41)    3.85                72
 09/10/2024   23:02:04   (  70.06,-169.09) 09/10/2024   23:02:00  (  70.08,-169.10)    2.86                 4
 09/10/2024   23:52:44   ( -69.86,  -1.48) 09/10/2024   23:51:31  ( -69.91,  -1.70)   10.30                73
 09/13/2024   14:28:09   ( -70.12, 139.29) 09/13/2024   14:28:54  ( -70.13, 139.24)    2.09                45
 09/13/2024   15:18:53   (  70.01, -53.23) 09/13/2024   15:18:21  (  70.01, -53.27)    1.48                32
 09/16/2024   05:54:27   (  70.72,  86.82) 09/16/2024   05:55:36  (  70.64,  88.29)   54.73                69
 09/16/2024   06:44:59   ( -70.10,-104.88) 09/16/2024   06:45:14  ( -70.09,-104.89)    1.72                15
 09/16/2024   07:35:43   (  70.00,  62.59) 09/16/2024   07:34:41  (  69.97,  62.59)    2.83                62
 09/18/2024   22:11:06   (  70.15,-156.47) 09/18/2024   22:12:03  (  70.13,-156.53)    3.34                57
 09/18/2024   23:01:48   ( -70.06,  10.99) 09/18/2024   23:01:32  ( -70.07,  11.02)    1.86                16
 09/18/2024   23:52:19   (  69.26, 179.47) 09/18/2024   23:51:11  (  69.29, 177.59)   73.93                68