Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2025 8 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)
 08/04/2025   22:12:05   (  70.12,-156.74) 08/04/2025   22:13:01  (  70.12,-156.76)    0.70                56
 08/04/2025   23:02:47   ( -70.00,  10.75) 08/04/2025   23:02:31  ( -70.01,  10.72)    1.18                16
 08/04/2025   23:53:18   (  69.22, 179.20) 08/04/2025   23:52:10  (  69.24, 177.32)   74.09                68
 08/07/2025   14:28:59   (  70.11, -40.95) 08/07/2025   14:29:32  (  70.09, -40.92)    2.26                33
 08/07/2025   15:19:41   ( -69.99, 126.55) 08/07/2025   15:19:02  ( -69.99, 126.56)    0.61                39
 08/10/2025   05:55:20   ( -70.70, -93.43) 08/10/2025   05:56:29  ( -70.59, -91.96)   55.87                69
 08/10/2025   06:45:53   (  70.05,  74.91) 08/10/2025   06:46:04  (  70.05,  74.89)    0.78                11
 08/10/2025   07:36:35   ( -69.92,-117.58) 08/10/2025   07:35:34  ( -69.94,-117.62)    2.79                61
 08/12/2025   22:12:04   ( -70.12,  23.26) 08/12/2025   22:13:08  ( -70.15,  23.27)    3.14                64
 08/12/2025   23:02:48   (  70.04,-169.31) 08/12/2025   23:02:35  (  70.04,-169.24)    2.81                13
 08/12/2025   23:53:23   ( -69.55,  -1.26) 08/12/2025   23:52:11  ( -69.61,  -2.21)   37.56                72
 08/15/2025   14:28:59   ( -70.12, 139.03) 08/15/2025   14:29:39  ( -70.12, 139.11)    3.00                40
 08/15/2025   15:19:42   (  69.99, -53.47) 08/15/2025   15:19:06  (  70.01, -53.41)    2.70                36