Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2025 1 10.  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)
 01/11/2025   14:29:06   (  70.14, -40.84) 01/11/2025   14:29:41  (  70.12, -40.91)    3.23                35
 01/11/2025   15:19:48   ( -70.06, 126.60) 01/11/2025   15:19:10  ( -70.07, 126.64)    1.97                38
 01/14/2025   05:55:25   ( -71.01, -93.75) 01/14/2025   05:56:32  ( -70.94, -91.47)   83.25                67
 01/14/2025   06:45:54   (  70.11,  75.00) 01/14/2025   06:46:12  (  70.13,  74.96)    2.23                18
 01/14/2025   07:36:36   ( -70.03,-117.56) 01/14/2025   07:35:42  ( -70.02,-117.55)    0.64                54
 01/16/2025   22:12:01   ( -70.41,  23.01) 01/16/2025   22:13:13  ( -70.32,  23.46)   20.20                72
 01/16/2025   23:02:41   (  70.09,-169.18) 01/16/2025   23:02:42  (  70.09,-169.21)    1.19                 1
 01/16/2025   23:53:23   ( -70.01,  -1.74) 01/16/2025   23:52:12  ( -69.99,  -1.72)    1.85                71
 01/19/2025   14:28:45   ( -70.20, 139.15) 01/19/2025   14:29:45  ( -70.19, 139.16)    0.63                60
 01/19/2025   15:19:29   (  70.08, -53.37) 01/19/2025   15:19:12  (  70.08, -53.36)    0.73                17
 01/19/2025   16:10:01   ( -69.47, 114.85) 01/19/2025   16:08:51  ( -69.49, 113.46)   54.37                70
 01/22/2025   06:45:32   ( -70.14,-104.98) 01/22/2025   06:46:15  ( -70.14,-105.03)    1.95                43
 01/22/2025   07:36:16   (  70.03,  62.51) 01/22/2025   07:35:42  (  70.02,  62.44)    2.47                34