Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 10 18.  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)
 10/18/2024   05:55:27   (  70.24,  87.39) 10/18/2024   05:56:38  (  70.22,  87.47)    3.46                71
 10/18/2024   06:46:08   ( -70.12,-105.10) 10/18/2024   06:46:08  ( -70.12,-105.05)    2.05                 0
 10/18/2024   07:36:50   (  69.87,  62.58) 10/18/2024   07:35:37  (  69.90,  62.29)   11.35                73
 10/20/2024   22:12:22   (  70.20,-156.77) 10/20/2024   22:13:09  (  70.20,-156.69)    2.84                47
 10/20/2024   23:03:03   ( -70.07,  10.75) 10/20/2024   23:02:39  ( -70.09,  10.79)    2.79                24
 10/23/2024   14:29:16   (  70.13, -40.89) 10/23/2024   14:29:39  (  70.13, -40.91)    1.01                23
 10/23/2024   15:19:57   ( -70.00, 126.63) 10/23/2024   15:19:09  ( -70.02, 126.58)    2.76                48
 10/26/2024   05:55:27   ( -70.28, -92.64) 10/26/2024   05:56:39  ( -70.24, -92.50)    6.75                72
 10/26/2024   06:46:10   (  70.10,  74.94) 10/26/2024   06:46:06  (  70.12,  74.98)    2.73                 4
 10/26/2024   07:36:50   ( -69.92,-117.46) 10/26/2024   07:35:37  ( -69.97,-117.61)    8.06                73
 10/28/2024   22:12:18   ( -70.17,  23.32) 10/28/2024   22:13:04  ( -70.19,  23.34)    3.09                46
 10/28/2024   23:03:02   (  70.05,-169.19) 10/28/2024   23:02:31  (  70.08,-169.19)    2.91                31
 10/31/2024   13:38:41   (  70.86, -29.33) 10/31/2024   13:39:49  (  70.76, -27.56)   65.80                68
 10/31/2024   14:29:11   ( -70.14, 139.15) 10/31/2024   14:29:28  ( -70.16, 139.20)    2.89                17
 10/31/2024   15:19:55   (  70.03, -53.37) 10/31/2024   15:18:55  (  70.04, -53.33)    1.89                60