Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2025 2 13.  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   (  70.14,  75.00) 02/15/2025   06:46:12  (  70.17,  74.99)    3.40                44
 02/15/2025   07:36:09   ( -70.03,-117.52) 02/15/2025   07:35:42  ( -70.06,-117.54)    3.28                27
 02/17/2025   22:11:55   ( -71.01,  22.05) 02/17/2025   22:13:02  ( -70.94,  24.37)   84.53                67
 02/17/2025   23:02:25   (  70.13,-169.23) 02/17/2025   23:02:42  (  70.13,-169.20)    1.35                17
 02/17/2025   23:53:06   ( -70.02,  -1.74) 02/17/2025   23:52:12  ( -70.02,  -1.72)    0.78                54
 02/20/2025   14:28:36   ( -70.23, 139.08) 02/20/2025   14:29:43  ( -70.21, 139.15)    3.35                67
 02/20/2025   15:19:20   (  70.08, -53.39) 02/20/2025   15:19:10  (  70.10, -53.36)    2.16                10
 02/20/2025   16:09:56   ( -69.70, 114.50) 02/20/2025   16:08:44  ( -69.77, 113.82)   27.30                72
 02/23/2025   06:45:31   ( -70.13,-105.01) 02/23/2025   06:46:12  ( -70.14,-105.06)    2.33                41
 02/23/2025   07:36:16   (  70.04,  62.43) 02/23/2025   07:35:39  (  70.03,  62.43)    1.58                37
 02/25/2025   22:11:54   (  70.65,-157.38) 02/25/2025   22:13:04  (  70.53,-156.25)   44.10                70
 02/25/2025   23:02:27   ( -70.10,  10.80) 02/25/2025   23:02:40  ( -70.09,  10.76)    1.57                13
 02/25/2025   23:53:11   (  69.96, 178.31) 02/25/2025   23:52:07  (  69.98, 178.24)    3.01                64