Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2025 2 21.  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)
 02/23/2025   06:45:31   ( -70.17,-105.07) 02/23/2025   06:46:10  ( -70.16,-105.03)    1.42                39
 02/23/2025   07:36:16   (  70.07,  62.38) 02/23/2025   07:35:37  (  70.05,  62.46)    3.58                39
 02/25/2025   22:11:52   (  70.58,-157.27) 02/25/2025   22:13:03  (  70.46,-156.34)   36.84                71
 02/25/2025   23:02:27   ( -70.14,  10.73) 02/25/2025   23:02:37  ( -70.13,  10.81)    3.26                10
 02/25/2025   23:53:11   (  70.00, 178.25) 02/25/2025   23:52:04  (  70.02, 178.30)    3.06                67
 02/28/2025   14:28:40   (  70.15, -40.83) 02/28/2025   14:29:34  (  70.17, -40.88)    2.54                54
 02/28/2025   15:19:22   ( -70.08, 126.60) 02/28/2025   15:19:04  ( -70.06, 126.60)    2.10                18
 02/28/2025   16:09:51   (  69.14, -64.74) 02/28/2025   16:08:44  (  69.23, -66.88)   85.24                67
 03/03/2025   06:45:35   (  70.10,  75.00) 03/03/2025   06:46:00  (  70.10,  74.93)    2.78                25
 03/03/2025   07:36:17   ( -70.02,-117.56) 03/03/2025   07:35:30  ( -70.00,-117.59)    3.29                47
 03/05/2025   22:11:45   ( -70.19,  23.32) 03/05/2025   22:12:57  ( -70.17,  23.27)    3.15                72
 03/05/2025   23:02:29   (  70.07,-169.18) 03/05/2025   23:02:24  (  70.05,-169.25)    3.23                 5
 03/05/2025   23:53:08   ( -69.83,  -1.50) 03/05/2025   23:51:55  ( -69.89,  -1.84)   14.98                73