Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 5 22.  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)
 05/24/2024   15:17:51   (  70.09, -53.37) 05/24/2024   15:18:26  (  70.08, -53.41)    1.95                35
 05/24/2024   16:08:33   ( -70.01, 114.07) 05/24/2024   16:07:55  ( -70.02, 114.14)    2.95                38
 05/27/2024   06:44:07   ( -70.75,-105.94) 05/27/2024   06:45:16  ( -70.64,-104.35)   59.92                69
 05/27/2024   07:34:40   (  70.06,  62.47) 05/27/2024   07:34:52  (  70.04,  62.42)    2.52                12
 05/27/2024   08:25:22   ( -69.98,-130.09) 05/27/2024   08:24:21  ( -69.99,-130.02)    2.79                61
 05/29/2024   23:00:46   ( -70.16,  10.80) 05/29/2024   23:01:50  ( -70.18,  10.85)    2.60                64
 05/29/2024   23:51:30   (  70.05, 178.28) 05/29/2024   23:51:17  (  70.06, 178.34)    2.92                13
 05/30/2024   00:42:04   ( -69.54, -13.65) 05/30/2024   00:40:53  ( -69.63, -14.63)   39.30                71
 06/01/2024   15:17:35   ( -70.11, 126.67) 06/01/2024   15:18:16  ( -70.09, 126.63)    2.94                41
 06/01/2024   16:08:19   (  70.00, -65.85) 06/01/2024   16:07:43  (  69.98, -65.89)    2.99                36
 06/04/2024   06:43:53   (  70.74,  74.15) 06/04/2024   06:45:02  (  70.61,  75.64)   56.95                69
 06/04/2024   07:34:24   ( -70.08,-117.47) 06/04/2024   07:34:40  ( -70.06,-117.52)    2.37                16
 06/04/2024   08:25:08   (  69.97,  50.00) 06/04/2024   08:24:07  (  69.95,  49.96)    2.82                61