Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 8 16.  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)
 08/17/2024   22:11:41   (  70.15,-156.70) 08/17/2024   22:12:37  (  70.16,-156.68)    2.06                56
 08/17/2024   23:02:23   ( -70.04,  10.78) 08/17/2024   23:02:07  ( -70.05,  10.80)    1.04                16
 08/17/2024   23:52:54   (  69.25, 179.25) 08/17/2024   23:51:46  (  69.28, 177.39)   73.44                68
 08/20/2024   14:28:34   (  70.13, -40.88) 08/20/2024   14:29:03  (  70.13, -40.83)    2.28                29
 08/20/2024   15:19:16   ( -70.02, 126.59) 08/20/2024   15:18:33  ( -70.02, 126.65)    2.10                43
 08/23/2024   05:54:48   ( -70.43, -92.89) 08/23/2024   05:55:59  ( -70.36, -92.24)   25.67                71
 08/23/2024   06:45:27   (  70.07,  74.98) 08/23/2024   06:45:29  (  70.08,  75.00)    1.21                 2
 08/23/2024   07:36:09   ( -69.97,-117.54) 08/23/2024   07:34:59  ( -69.97,-117.52)    1.09                70
 08/25/2024   22:11:36   ( -70.14,  23.35) 08/25/2024   22:12:27  ( -70.13,  23.33)    1.74                51
 08/25/2024   23:02:19   (  69.99,-169.11) 08/25/2024   23:01:54  (  70.01,-169.19)    3.35                25
 08/25/2024   23:52:45   ( -69.04,  -0.41) 08/25/2024   23:51:39  ( -69.08,  -2.82)   95.71                66
 08/28/2024   13:38:01   (  70.98, -29.53) 08/28/2024   13:39:08  (  70.86, -27.30)   82.29                67
 08/28/2024   14:28:28   ( -70.08, 139.23) 08/28/2024   14:28:50  ( -70.10, 139.20)    1.92                22
 08/28/2024   15:19:12   (  69.99, -53.32) 08/28/2024   15:18:17  (  69.98, -53.32)    1.38                55