Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 5 14.  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)
 05/16/2024   15:18:01   ( -70.07, 126.59) 05/16/2024   15:18:30  ( -70.07, 126.58)    0.45                29
 05/16/2024   16:08:45   (  69.95, -65.92) 05/16/2024   16:07:57  (  69.96, -65.93)    1.25                48
 05/19/2024   06:44:12   (  70.23,  74.82) 05/19/2024   06:45:24  (  70.18,  74.99)    8.70                72
 05/19/2024   07:34:52   ( -70.04,-117.57) 05/19/2024   07:34:54  ( -70.07,-117.53)    3.32                 2
 05/19/2024   08:25:35   (  69.87,  49.99) 05/19/2024   08:24:22  (  69.90,  49.88)    5.47                73
 05/21/2024   23:01:01   (  70.12,-169.21) 05/21/2024   23:01:48  (  70.10,-169.22)    1.96                47
 05/21/2024   23:51:42   ( -69.98,  -1.68) 05/21/2024   23:51:18  ( -69.99,  -1.74)    2.57                24
 05/24/2024   14:27:23   ( -71.02, 137.81) 05/24/2024   14:28:29  ( -70.94, 140.29)   90.53                66
 05/24/2024   15:17:51   (  70.08, -53.36) 05/24/2024   15:18:10  (  70.06, -53.37)    2.15                19
 05/24/2024   16:08:31   ( -69.94, 114.17) 05/24/2024   16:07:39  ( -69.95, 114.11)    2.84                52
 05/27/2024   06:43:56   ( -70.17,-105.01) 05/27/2024   06:45:02  ( -70.18,-104.93)    3.13                66
 05/27/2024   07:34:40   (  70.06,  62.47) 05/27/2024   07:34:29  (  70.06,  62.54)    2.75                11
 05/27/2024   08:25:16   ( -69.65,-129.61) 05/27/2024   08:24:04  ( -69.68,-130.36)   29.05                72