Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 5 20.  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)
 05/21/2024   23:01:01   (  70.15,-169.27) 05/21/2024   23:01:57  (  70.14,-169.20)    2.98                56
 05/21/2024   23:51:42   ( -70.02,  -1.75) 05/21/2024   23:51:27  ( -70.03,  -1.73)    1.06                15
 05/22/2024   00:42:14   (  69.26, 166.67) 05/22/2024   00:41:05  (  69.31, 164.94)   68.17                69
 05/24/2024   15:17:50   (  70.06, -53.34) 05/24/2024   15:18:25  (  70.08, -53.40)    3.46                35
 05/24/2024   16:08:32   ( -69.98, 114.11) 05/24/2024   16:07:55  ( -69.97, 114.08)    1.37                37
 05/27/2024   06:44:07   ( -70.74,-105.91) 05/27/2024   06:45:16  ( -70.62,-104.38)   57.91                69
 05/27/2024   07:34:40   (  70.04,  62.49) 05/27/2024   07:34:51  (  70.07,  62.47)    3.09                11
 05/27/2024   08:25:22   ( -69.96,-130.07) 05/27/2024   08:24:21  ( -69.96,-130.05)    0.47                61
 05/29/2024   23:00:46   ( -70.16,  10.81) 05/29/2024   23:01:49  ( -70.16,  10.84)    1.14                63
 05/29/2024   23:51:30   (  70.04, 178.29) 05/29/2024   23:51:16  (  70.04, 178.32)    1.13                14
 05/30/2024   00:42:04   ( -69.54, -13.64) 05/30/2024   00:40:53  ( -69.55, -14.73)   42.33                71
 06/01/2024   15:17:34   ( -70.12, 126.66) 06/01/2024   15:18:12  ( -70.12, 126.68)    0.72                38
 06/01/2024   16:08:18   (  70.01, -65.86) 06/01/2024   16:07:39  (  70.00, -65.84)    1.29                39