Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 7 4.  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)
 07/06/2024   05:54:34   ( -70.82, -93.57) 07/06/2024   05:55:43  ( -70.71, -91.78)   66.60                69
 07/06/2024   06:45:06   (  70.07,  74.94) 07/06/2024   06:45:20  (  70.07,  74.91)    1.29                14
 07/06/2024   07:35:48   ( -69.99,-117.61) 07/06/2024   07:34:50  ( -69.96,-117.61)    3.60                58
 07/08/2024   22:11:19   ( -70.17,  23.25) 07/08/2024   22:12:25  ( -70.19,  23.32)    3.48                66
 07/08/2024   23:02:03   (  70.05,-169.26) 07/08/2024   23:01:53  (  70.03,-169.26)    2.20                10
 07/08/2024   23:52:39   ( -69.65,  -1.33) 07/08/2024   23:51:27  ( -69.71,  -2.08)   29.81                72
 07/11/2024   14:28:16   ( -70.15, 139.05) 07/11/2024   14:28:58  ( -70.13, 139.11)    3.30                42
 07/11/2024   15:19:00   (  70.04, -53.47) 07/11/2024   15:18:25  (  70.02, -53.40)    3.23                35
 07/14/2024   05:54:42   (  70.82,  86.43) 07/14/2024   05:55:50  (  70.74,  88.25)   67.42                68
 07/14/2024   06:45:12   ( -70.09,-105.09) 07/14/2024   06:45:30  ( -70.09,-105.07)    0.66                18
 07/14/2024   07:35:56   (  69.98,  62.39) 07/14/2024   07:34:57  (  69.98,  62.42)    1.16                59
 07/16/2024   22:11:25   (  70.14,-156.71) 07/16/2024   22:12:31  (  70.12,-156.78)    3.47                66
 07/16/2024   23:02:07   ( -70.03,  10.77) 07/16/2024   23:02:01  ( -70.02,  10.71)    2.62                 6
 07/16/2024   23:52:44   (  69.56, 178.78) 07/16/2024   23:51:33  (  69.63, 177.81)   38.40                71