Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2025 2 22.  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)
 02/23/2025   06:45:31   ( -70.14,-105.02) 02/23/2025   06:46:11  ( -70.13,-105.07)    2.10                40
 02/23/2025   07:36:16   (  70.04,  62.43) 02/23/2025   07:35:38  (  70.03,  62.42)    1.67                38
 02/25/2025   22:11:53   (  70.60,-157.31) 02/25/2025   22:13:03  (  70.49,-156.30)   39.45                70
 02/25/2025   23:02:27   ( -70.11,  10.77) 02/25/2025   23:02:38  ( -70.10,  10.77)    1.65                11
 02/25/2025   23:53:11   (  69.97, 178.30) 02/25/2025   23:52:05  (  69.99, 178.26)    2.61                66
 02/28/2025   14:28:40   (  70.18, -40.87) 02/28/2025   14:29:33  (  70.19, -40.84)    2.11                53
 02/28/2025   15:19:21   ( -70.05, 126.63) 02/28/2025   15:19:03  ( -70.08, 126.63)    3.21                18
 02/28/2025   16:09:51   (  69.17, -64.78) 02/28/2025   16:08:44  (  69.20, -66.92)   84.97                67
 03/03/2025   06:45:35   (  70.13,  74.96) 03/03/2025   06:45:59  (  70.13,  74.96)    0.58                24
 03/03/2025   07:36:16   ( -70.00,-117.52) 03/03/2025   07:35:29  ( -70.02,-117.56)    2.29                47
 03/05/2025   22:11:45   ( -70.17,  23.36) 03/05/2025   22:12:57  ( -70.19,  23.30)    3.10                72
 03/05/2025   23:02:30   (  70.10,-169.23) 03/05/2025   23:02:24  (  70.07,-169.22)    3.02                 6
 03/05/2025   23:53:08   ( -69.80,  -1.46) 03/05/2025   23:51:56  ( -69.86,  -1.89)   17.26                72