Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 7 23.  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)
 07/24/2024   22:11:30   ( -70.17,  23.26) 07/24/2024   22:12:30  ( -70.14,  23.27)    2.96                60
 07/24/2024   23:02:14   (  70.06,-169.27) 07/24/2024   23:01:57  (  70.04,-169.23)    2.57                17
 07/24/2024   23:52:44   ( -69.38,  -0.94) 07/24/2024   23:51:35  ( -69.43,  -2.44)   58.67                69
 07/27/2024   14:28:25   ( -70.10, 139.13) 07/27/2024   14:28:56  ( -70.11, 139.13)    1.29                31
 07/27/2024   15:19:09   (  69.99, -53.40) 07/27/2024   15:18:23  (  70.00, -53.38)    1.13                46
 07/30/2024   05:54:40   (  70.21,  87.41) 07/30/2024   05:55:52  (  70.19,  87.50)    4.22                72
 07/30/2024   06:45:21   ( -70.05,-105.02) 07/30/2024   06:45:22  ( -70.08,-105.02)    3.28                 1
 07/30/2024   07:36:03   (  69.84,  62.60) 07/30/2024   07:34:51  (  69.86,  62.31)   10.98                72
 08/01/2024   22:11:35   (  70.13,-156.69) 08/01/2024   22:12:17  (  70.15,-156.64)    3.27                42
 08/01/2024   23:02:17   ( -70.02,  10.79) 08/01/2024   23:01:48  ( -69.99,  10.76)    3.20                29
 08/04/2024   13:37:57   ( -70.74, 150.80) 08/04/2024   13:39:06  ( -70.67, 152.39)   58.79                69
 08/04/2024   14:28:30   (  70.07, -40.83) 08/04/2024   14:28:42  (  70.06, -40.86)    1.36                12
 08/04/2024   15:19:11   ( -69.96, 126.66) 08/04/2024   15:18:11  ( -69.96, 126.63)    1.47                60