Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2025 2 24.  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)
 02/25/2025   22:11:52   (  70.58,-157.27) 02/25/2025   22:13:03  (  70.45,-156.36)   36.90                71
 02/25/2025   23:02:26   ( -70.09,  10.81) 02/25/2025   23:02:37  ( -70.11,  10.79)    2.07                11
 02/25/2025   23:53:11   (  70.00, 178.25) 02/25/2025   23:52:04  (  70.01, 178.28)    1.32                67
 02/28/2025   14:28:40   (  70.16, -40.85) 02/28/2025   14:29:34  (  70.14, -40.92)    3.65                54
 02/28/2025   15:19:22   ( -70.09, 126.58) 02/28/2025   15:19:03  ( -70.08, 126.63)    2.31                19
 02/28/2025   16:09:51   (  69.15, -64.75) 02/28/2025   16:08:44  (  69.20, -66.92)   86.06                67
 03/03/2025   06:45:35   (  70.12,  74.98) 03/03/2025   06:45:59  (  70.11,  74.94)    2.08                24
 03/03/2025   07:36:17   ( -70.04,-117.59) 03/03/2025   07:35:28  ( -70.05,-117.51)    3.06                49
 03/05/2025   22:11:45   ( -70.22,  23.28) 03/05/2025   22:12:55  ( -70.20,  23.32)    2.59                70
 03/05/2025   23:02:29   (  70.10,-169.22) 03/05/2025   23:02:22  (  70.09,-169.20)    1.39                 7
 03/05/2025   23:53:07   ( -69.80,  -1.46) 03/05/2025   23:51:54  ( -69.87,  -1.87)   17.27                73
 03/08/2025   14:28:39   ( -70.15, 139.16) 03/08/2025   14:29:19  ( -70.13, 139.13)    2.07                40
 03/08/2025   15:19:23   (  70.03, -53.36) 03/08/2025   15:18:46  (  70.02, -53.39)    2.19                37