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)   36.57                71
 02/25/2025   23:02:26   ( -70.09,  10.81) 02/25/2025   23:02:37  ( -70.11,  10.79)    2.54                11
 02/25/2025   23:53:11   (  70.00, 178.26) 02/25/2025   23:52:04  (  70.01, 178.29)    1.65                67
 02/28/2025   14:28:40   (  70.16, -40.85) 02/28/2025   14:29:33  (  70.19, -40.85)    3.02                53
 02/28/2025   15:19:22   ( -70.09, 126.57) 02/28/2025   15:19:03  ( -70.07, 126.63)    2.91                19
 02/28/2025   16:09:51   (  69.16, -64.75) 02/28/2025   16:08:44  (  69.19, -66.93)   86.04                67
 03/03/2025   06:45:34   (  70.13,  74.96) 03/03/2025   06:45:57  (  70.15,  75.00)    2.49                23
 03/03/2025   07:36:15   ( -70.00,-117.53) 03/03/2025   07:35:27  ( -70.04,-117.53)    3.69                48
 03/05/2025   22:11:44   ( -70.19,  23.33) 03/05/2025   22:12:55  ( -70.18,  23.29)    2.28                71
 03/05/2025   23:02:28   (  70.07,-169.17) 03/05/2025   23:02:22  (  70.06,-169.23)    2.04                 6
 03/05/2025   23:53:07   ( -69.83,  -1.50) 03/05/2025   23:51:54  ( -69.84,  -1.90)   15.58                73
 03/08/2025   14:28:38   ( -70.14, 139.18) 03/08/2025   14:29:18  ( -70.15, 139.16)    1.63                40
 03/08/2025   15:19:22   (  70.02, -53.33) 03/08/2025   15:18:45  (  70.03, -53.36)    1.89                37