Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2025 11 2.  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)
 11/03/2025   15:18:32   (  70.09, -53.30) 11/03/2025   15:19:20  (  70.07, -53.33)    2.51                48
 11/03/2025   16:09:13   ( -69.98, 114.19) 11/03/2025   16:08:50  ( -69.97, 114.15)    2.13                23
 11/06/2025   07:35:21   (  70.09,  62.49) 11/06/2025   07:35:50  (  70.08,  62.55)    2.60                29
 11/06/2025   08:26:02   ( -69.97,-130.00) 11/06/2025   08:25:20  ( -69.98,-129.96)    1.46                42
 11/08/2025   23:01:37   ( -70.75,   9.95) 11/08/2025   23:02:46  ( -70.61,  11.55)   60.99                69
 11/08/2025   23:52:10   (  70.05, 178.36) 11/08/2025   23:52:21  (  70.06, 178.40)    2.08                11
 11/09/2025   00:42:51   ( -69.92, -14.13) 11/09/2025   00:41:52  ( -69.90, -14.19)    2.90                59
 11/11/2025   15:18:15   ( -70.12, 126.73) 11/11/2025   15:19:25  ( -70.13, 126.73)    0.77                70
 11/11/2025   16:08:59   (  70.01, -65.79) 11/11/2025   16:08:52  (  70.02, -65.79)    0.83                 7
 11/11/2025   16:59:37   ( -69.72, 101.97) 11/11/2025   16:58:24  ( -69.81, 101.55)   19.16                73
 11/14/2025   07:35:04   ( -70.09,-117.42) 11/14/2025   07:35:55  ( -70.12,-117.41)    3.66                51
 11/14/2025   08:25:48   (  69.98,  50.06) 11/14/2025   08:25:22  (  70.00,  50.07)    2.68                26