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   14:29:39  (  70.14, -40.89)    1.65                33
 01/11/2025   15:19:48   ( -70.05, 126.61) 01/11/2025   15:19:09  ( -70.03, 126.59)    2.86                39
 01/14/2025   05:55:22   ( -70.85, -93.49) 01/14/2025   05:56:31  ( -70.75, -91.74)   64.92                69
 01/14/2025   06:45:54   (  70.11,  75.00) 01/14/2025   06:46:08  (  70.10,  74.94)    2.45                14
 01/14/2025   07:36:36   ( -70.03,-117.56) 01/14/2025   07:35:37  ( -70.05,-117.50)    3.25                59
 01/16/2025   22:11:57   ( -70.20,  23.34) 01/16/2025   22:13:08  ( -70.19,  23.31)    2.16                71
 01/16/2025   23:02:41   (  70.09,-169.18) 01/16/2025   23:02:35  (  70.07,-169.21)    2.22                 6
 01/16/2025   23:53:20   ( -69.85,  -1.50) 01/16/2025   23:52:07  ( -69.86,  -1.88)   14.55                73
 01/19/2025   14:28:45   ( -70.20, 139.15) 01/19/2025   14:29:35  ( -70.18, 139.19)    2.40                50
 01/19/2025   15:19:29   (  70.08, -53.37) 01/19/2025   15:19:02  (  70.06, -53.33)    2.73                27
 01/19/2025   16:09:54   ( -69.10, 115.37) 01/19/2025   16:08:47  ( -69.14, 113.04)   92.62                67
 01/22/2025   06:45:32   ( -70.15,-104.98) 01/22/2025   06:46:02  ( -70.13,-104.99)    1.81                30
 01/22/2025   07:36:16   (  70.04,  62.50) 01/22/2025   07:35:29  (  70.01,  62.49)    2.51                47