Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2025 2 14.  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)
 02/15/2025   06:45:28   (  70.17,  74.95) 02/15/2025   06:46:12  (  70.14,  74.94)    3.25                44
 02/15/2025   07:36:09   ( -70.06,-117.56) 02/15/2025   07:35:41  ( -70.08,-117.50)    3.26                28
 02/17/2025   22:11:55   ( -71.04,  22.00) 02/17/2025   22:13:02  ( -70.90,  24.31)   85.19                67
 02/17/2025   23:02:24   (  70.11,-169.19) 02/17/2025   23:02:42  (  70.09,-169.25)    2.97                18
 02/17/2025   23:53:05   ( -70.00,  -1.70) 02/17/2025   23:52:12  ( -69.98,  -1.77)    3.10                53
 02/20/2025   14:28:36   ( -70.20, 139.12) 02/20/2025   14:29:43  ( -70.22, 139.17)    2.60                67
 02/20/2025   15:19:20   (  70.06, -53.36) 02/20/2025   15:19:11  (  70.05, -53.42)    2.51                 9
 02/20/2025   16:09:56   ( -69.68, 114.53) 02/20/2025   16:08:44  ( -69.78, 113.83)   29.28                72
 02/23/2025   06:45:32   ( -70.16,-105.06) 02/23/2025   06:46:12  ( -70.14,-105.06)    1.84                40
 02/23/2025   07:36:16   (  70.02,  62.46) 02/23/2025   07:35:39  (  70.03,  62.43)    1.54                37
 02/25/2025   22:11:53   (  70.63,-157.35) 02/25/2025   22:13:03  (  70.51,-156.26)   42.05                70
 02/25/2025   23:02:27   ( -70.13,  10.75) 02/25/2025   23:02:38  ( -70.14,  10.82)    2.81                11
 02/25/2025   23:53:11   (  70.00, 178.26) 02/25/2025   23:52:05  (  70.02, 178.30)    3.23                66