Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 10 11.  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)
 10/12/2024   22:12:14   ( -70.15,  23.32) 10/12/2024   22:12:59  ( -70.15,  23.28)    1.42                45
 10/12/2024   23:02:59   (  70.06,-169.25) 10/12/2024   23:02:26  (  70.03,-169.24)    3.06                33
 10/15/2024   13:38:31   (  70.62, -28.96) 10/15/2024   13:39:41  (  70.55, -27.84)   42.09                70
 10/15/2024   14:29:05   ( -70.13, 139.14) 10/15/2024   14:29:17  ( -70.11, 139.15)    2.17                12
 10/15/2024   15:19:49   (  70.00, -53.35) 10/15/2024   15:18:44  (  69.98, -53.38)    1.59                65
 10/18/2024   05:55:12   (  70.16,  87.57) 10/18/2024   05:55:57  (  70.17,  87.58)    1.67                45
 10/18/2024   06:45:53   ( -70.04,-104.92) 10/18/2024   06:45:27  ( -70.06,-104.95)    2.84                26
 10/20/2024   21:21:18   ( -70.43,  35.66) 10/20/2024   21:22:29  ( -70.36,  36.21)   21.71                71
 10/20/2024   22:11:58   (  70.10,-156.52) 10/20/2024   22:11:58  (  70.11,-156.51)    1.59                 0
 10/20/2024   23:02:39   ( -69.97,  10.99) 10/20/2024   23:01:28  ( -69.99,  10.96)    2.58                71
 10/23/2024   13:37:57   ( -70.13, 151.95) 10/23/2024   13:38:24  ( -70.13, 151.92)    1.46                27
 10/23/2024   14:28:41   (  70.01, -40.56) 10/23/2024   14:27:50  (  70.03, -40.57)    2.44                51