Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2025 6 1.  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)
 06/01/2025   22:11:39   (  70.16,-156.69) 06/01/2025   22:12:29  (  70.14,-156.72)    2.17                50
 06/01/2025   23:02:20   ( -70.05,  10.81) 06/01/2025   23:01:59  ( -70.02,  10.75)    3.44                21
 06/04/2025   14:28:36   (  70.14, -40.90) 06/04/2025   14:28:57  (  70.14, -40.83)    2.52                21
 06/04/2025   15:19:17   ( -70.03, 126.60) 06/04/2025   15:18:27  ( -70.02, 126.64)    1.54                50
 06/07/2025   05:54:47   ( -70.17, -92.48) 06/07/2025   05:55:59  ( -70.16, -92.56)    3.19                72
 06/07/2025   06:45:32   (  70.08,  74.96) 06/07/2025   06:45:26  (  70.05,  74.94)    3.00                 6
 06/07/2025   07:36:10   ( -69.80,-117.30) 06/07/2025   07:34:57  ( -69.88,-117.67)   16.52                73
 06/09/2025   22:11:44   ( -70.16,  23.29) 06/09/2025   22:12:26  ( -70.15,  23.33)    2.04                42
 06/09/2025   23:02:28   (  70.02,-169.19) 06/09/2025   23:01:53  (  70.04,-169.18)    2.56                35
 06/12/2025   13:38:06   (  70.65, -29.04) 06/12/2025   13:39:16  (  70.55, -27.82)   46.53                70
 06/12/2025   14:28:39   ( -70.11, 139.13) 06/12/2025   14:28:52  ( -70.12, 139.17)    1.75                13
 06/12/2025   15:19:23   (  69.97, -53.35) 06/12/2025   15:18:20  (  69.95, -53.42)    3.49                63