Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 7 2.  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)
 07/03/2024   14:28:09   (  70.08, -40.84) 07/03/2024   14:28:47  (  70.09, -40.92)    3.12                38
 07/03/2024   15:18:51   ( -70.00, 126.60) 07/03/2024   15:18:17  ( -69.98, 126.56)    2.62                34
 07/06/2024   05:54:35   ( -70.86, -93.62) 07/06/2024   05:55:43  ( -70.73, -91.75)   69.78                68
 07/06/2024   06:45:07   (  70.11,  74.89) 07/06/2024   06:45:20  (  70.09,  74.94)    3.08                13
 07/06/2024   07:35:48   ( -69.97,-117.58) 07/06/2024   07:34:50  ( -69.98,-117.58)    1.30                58
 07/08/2024   22:11:19   ( -70.15,  23.28) 07/08/2024   22:12:26  ( -70.15,  23.26)    0.84                67
 07/08/2024   23:02:03   (  70.03,-169.23) 07/08/2024   23:01:53  (  70.04,-169.25)    0.91                10
 07/08/2024   23:52:39   ( -69.63,  -1.31) 07/08/2024   23:51:27  ( -69.72,  -2.07)   31.14                72
 07/11/2024   14:28:16   ( -70.14, 139.07) 07/11/2024   14:28:58  ( -70.13, 139.10)    1.75                42
 07/11/2024   15:19:00   (  70.03, -53.45) 07/11/2024   15:18:25  (  70.01, -53.41)    1.99                35
 07/14/2024   05:54:41   (  70.81,  86.44) 07/14/2024   05:55:49  (  70.71,  88.21)   65.89                68
 07/14/2024   06:45:11   ( -70.08,-105.07) 07/14/2024   06:45:29  ( -70.06,-105.11)    2.11                18
 07/14/2024   07:35:55   (  69.97,  62.40) 07/14/2024   07:34:56  (  69.95,  62.38)    2.69                59