Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2025 1 6.  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)
 01/06/2025   05:55:30   (  70.22,  87.45) 01/06/2025   05:56:39  (  70.22,  87.48)    1.43                69
 01/06/2025   06:46:12   ( -70.12,-105.09) 01/06/2025   06:46:09  ( -70.11,-105.04)    2.09                 3
 01/06/2025   07:36:51   (  69.75,  62.78) 01/06/2025   07:35:39  (  69.85,  62.23)   23.63                72
 01/08/2025   22:12:18   (  70.16,-156.67) 01/08/2025   22:13:10  (  70.18,-156.70)    2.74                52
 01/08/2025   23:03:00   ( -70.07,  10.79) 01/08/2025   23:02:40  ( -70.08,  10.78)    0.70                20
 01/08/2025   23:53:28   (  69.11, 179.49) 01/08/2025   23:52:21  (  69.20, 177.23)   89.90                67
 01/11/2025   14:29:07   (  70.18, -40.90) 01/11/2025   14:29:40  (  70.18, -40.83)    2.97                33
 01/11/2025   15:19:48   ( -70.04, 126.63) 01/11/2025   15:19:11  ( -70.03, 126.58)    2.32                37
 01/14/2025   05:55:24   ( -71.00, -93.74) 01/14/2025   05:56:31  ( -70.88, -91.56)   80.26                67
 01/14/2025   06:45:53   (  70.11,  75.00) 01/14/2025   06:46:10  (  70.11,  74.95)    2.09                17
 01/14/2025   07:36:35   ( -70.02,-117.54) 01/14/2025   07:35:40  ( -70.01,-117.56)    1.07                55
 01/16/2025   22:12:00   ( -70.37,  23.08) 01/16/2025   22:13:11  ( -70.30,  23.46)   15.95                71
 01/16/2025   23:02:41   (  70.11,-169.20) 01/16/2025   23:02:40  (  70.08,-169.22)    3.27                 1
 01/16/2025   23:53:22   ( -69.97,  -1.67) 01/16/2025   23:52:10  ( -69.98,  -1.73)    2.76                72
 01/19/2025   14:28:44   ( -70.18, 139.18) 01/19/2025   14:29:42  ( -70.20, 139.19)    2.68                58
 01/19/2025   15:19:28   (  70.07, -53.35) 01/19/2025   15:19:09  (  70.08, -53.33)    1.50                19