Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 6 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)
 06/04/2024   06:44:29   (  70.18,  74.86) 06/04/2024   06:45:23  (  70.16,  74.94)    3.39                54
 06/04/2024   07:35:10   ( -70.05,-117.63) 06/04/2024   07:34:53  ( -70.05,-117.59)    1.44                17
 06/04/2024   08:25:40   (  69.17,  50.97) 06/04/2024   08:24:33  (  69.23,  48.94)   80.45                67
 06/06/2024   23:01:26   (  70.10,-169.25) 06/06/2024   23:01:51  (  70.12,-169.25)    2.86                25
 06/06/2024   23:52:08   ( -70.02,  -1.82) 06/06/2024   23:51:21  ( -70.01,  -1.77)    2.26                47
 06/09/2024   14:27:41   ( -70.21, 139.02) 06/09/2024   14:28:52  ( -70.20, 139.10)    3.13                71
 06/09/2024   15:18:25   (  70.08, -53.46) 06/09/2024   15:18:19  (  70.10, -53.40)    3.28                 6
 06/09/2024   16:09:04   ( -69.84, 114.21) 06/09/2024   16:07:51  ( -69.88, 113.92)   11.78                73
 06/12/2024   06:44:39   ( -70.15,-105.12) 06/12/2024   06:45:20  ( -70.15,-105.10)    0.76                41
 06/12/2024   07:35:23   (  70.02,  62.39) 06/12/2024   07:34:47  (  70.04,  62.39)    2.26                36
 06/14/2024   22:11:02   (  70.55,-157.30) 06/14/2024   22:12:13  (  70.43,-156.43)   34.81                71
 06/14/2024   23:01:37   ( -70.09,  10.73) 06/14/2024   23:01:47  ( -70.11,  10.73)    1.54                10
 06/14/2024   23:52:21   (  69.97, 178.23) 06/14/2024   23:51:14  (  69.99, 178.22)    3.16                67
 06/17/2024   14:27:52   (  70.14, -40.90) 06/17/2024   14:28:43  (  70.14, -40.97)    2.79                51
 06/17/2024   15:18:34   ( -70.05, 126.56) 06/17/2024   15:18:13  ( -70.03, 126.51)    2.72                21