Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 5 17.  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)
 05/19/2024   06:44:12   (  70.24,  74.81) 05/19/2024   06:45:23  (  70.22,  75.06)    9.51                71
 05/19/2024   07:34:52   ( -70.05,-117.59) 05/19/2024   07:34:54  ( -70.05,-117.55)    1.30                 2
 05/19/2024   08:25:35   (  69.88,  49.98) 05/19/2024   08:24:22  (  69.89,  49.86)    4.72                73
 05/21/2024   23:01:01   (  70.12,-169.22) 05/21/2024   23:01:48  (  70.11,-169.21)    1.76                47
 05/21/2024   23:51:42   ( -69.99,  -1.70) 05/21/2024   23:51:18  ( -69.99,  -1.74)    1.59                24
 05/24/2024   14:27:23   ( -71.03, 137.80) 05/24/2024   14:28:30  ( -70.92, 140.26)   90.06                67
 05/24/2024   15:17:51   (  70.08, -53.36) 05/24/2024   15:18:10  (  70.10, -53.31)    3.03                19
 05/24/2024   16:08:33   ( -69.99, 114.09) 05/24/2024   16:07:40  ( -69.99, 114.16)    2.94                53
 05/27/2024   06:43:56   ( -70.17,-105.01) 05/27/2024   06:45:04  ( -70.16,-104.97)    1.58                68
 05/27/2024   07:34:40   (  70.05,  62.48) 05/27/2024   07:34:31  (  70.04,  62.50)    1.91                 9
 05/27/2024   08:25:17   ( -69.70,-129.68) 05/27/2024   08:24:04  ( -69.76,-130.24)   22.72                73
 05/29/2024   23:00:45   ( -70.10,  10.89) 05/29/2024   23:01:25  ( -70.10,  10.85)    1.71                40
 05/29/2024   23:51:29   (  69.99, 178.37) 05/29/2024   23:50:52  (  69.97, 178.32)    2.61                37