Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2025 5 29.  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)
 05/30/2025   05:54:46   (  70.37,  87.23) 05/30/2025   05:55:58  (  70.31,  87.52)   12.49                72
 05/30/2025   06:45:25   ( -70.15,-105.11) 05/30/2025   06:45:29  ( -70.14,-105.10)    0.78                 4
 05/30/2025   07:36:09   (  70.00,  62.42) 05/30/2025   07:34:57  (  69.99,  62.33)    3.63                72
 06/01/2025   22:11:41   (  70.24,-156.81) 06/01/2025   22:12:27  (  70.22,-156.74)    3.38                46
 06/01/2025   23:02:22   ( -70.12,  10.69) 06/01/2025   23:01:57  ( -70.10,  10.73)    2.58                25
 06/04/2025   13:38:08   ( -71.09, 150.26) 06/04/2025   13:39:15  ( -70.96, 152.62)   86.31                67
 06/04/2025   14:28:37   (  70.16, -40.93) 06/04/2025   14:28:55  (  70.15, -40.95)    1.35                18
 06/04/2025   15:19:18   ( -70.04, 126.57) 06/04/2025   15:18:25  ( -70.04, 126.52)    1.87                53
 06/07/2025   05:54:48   ( -70.24, -92.59) 06/07/2025   05:55:54  ( -70.23, -92.60)    0.71                66
 06/07/2025   06:45:33   (  70.15,  74.85) 06/07/2025   06:45:21  (  70.12,  74.89)    3.15                12
 06/07/2025   07:36:07   ( -69.66,-117.09) 06/07/2025   07:34:56  ( -69.74,-118.01)   36.49                71
 06/09/2025   22:11:44   ( -70.17,  23.27) 06/09/2025   22:12:21  ( -70.18,  23.22)    2.37                37
 06/09/2025   23:02:29   (  70.08,-169.29) 06/09/2025   23:01:48  (  70.07,-169.29)    1.26                41