Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 11 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)
 11/11/2024   05:05:48   (  71.18,  98.53) 11/11/2024   05:06:54  (  71.04, 101.08)   93.23                66
 11/11/2024   05:56:13   ( -70.20, -92.56) 11/11/2024   05:56:37  ( -70.21, -92.53)    1.24                24
 11/11/2024   06:46:57   (  70.07,  74.95) 11/11/2024   06:46:05  (  70.05,  74.89)    3.16                52
 11/13/2024   21:22:35   (  70.26,-144.24) 11/13/2024   21:23:33  (  70.24,-144.22)    2.77                58
 11/13/2024   22:13:16   ( -70.12,  23.30) 11/13/2024   22:13:03  ( -70.12,  23.25)    2.15                13
 11/13/2024   23:03:49   (  69.41,-168.35) 11/13/2024   23:02:40  (  69.46,-170.02)   65.72                69
 11/16/2024   12:49:09   ( -71.11, 162.79) 11/16/2024   12:50:16  ( -71.03, 165.23)   88.47                67
 11/16/2024   13:39:37   (  70.16, -28.36) 11/16/2024   13:39:57  (  70.15, -28.43)    3.00                20
 11/16/2024   14:30:19   ( -70.06, 139.11) 11/16/2024   14:29:27  ( -70.04, 139.04)    3.71                52
 11/19/2024   05:05:55   ( -70.25, -80.08) 11/19/2024   05:06:50  ( -70.24, -80.04)    1.83                55
 11/19/2024   05:56:39   (  70.14,  87.40) 11/19/2024   05:56:17  (  70.12,  87.44)    2.30                22
 11/19/2024   06:47:07   ( -69.29,-104.04) 11/19/2024   06:45:59  ( -69.35,-105.99)   76.89                68
 11/21/2024   20:32:24   (  70.79,-132.52) 11/21/2024   20:33:33  (  70.66,-131.13)   52.97                69
 11/21/2024   21:22:56   ( -70.15,  35.81) 11/21/2024   21:23:10  ( -70.16,  35.78)    2.17                14
 11/21/2024   22:13:40   (  70.04,-156.72) 11/21/2024   22:12:37  (  70.04,-156.75)    1.06                63
 11/24/2024   12:49:15   (  70.19, -15.84) 11/24/2024   12:49:58  (  70.20, -15.87)    1.38                43
 11/24/2024   13:39:57   ( -70.07, 151.66) 11/24/2024   13:39:28  ( -70.09, 151.60)    2.50                29