Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2025 6 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)
 06/04/2025   14:28:36   (  70.13, -40.89) 06/04/2025   14:28:57  (  70.15, -40.82)    2.86                21
 06/04/2025   15:19:17   ( -70.02, 126.61) 06/04/2025   15:18:27  ( -70.03, 126.65)    1.72                50
 06/07/2025   05:54:47   ( -70.16, -92.48) 06/07/2025   05:55:59  ( -70.17, -92.55)    2.59                72
 06/07/2025   06:45:32   (  70.07,  74.97) 06/07/2025   06:45:26  (  70.06,  74.95)    1.08                 6
 06/07/2025   07:36:10   ( -69.80,-117.30) 06/07/2025   07:34:58  ( -69.84,-117.73)   17.20                72
 06/09/2025   22:11:43   ( -70.16,  23.29) 06/09/2025   22:12:25  ( -70.17,  23.36)    2.75                42
 06/09/2025   23:02:27   (  70.01,-169.18) 06/09/2025   23:01:53  (  70.01,-169.23)    1.96                34
 06/12/2025   13:38:07   (  70.70, -29.12) 06/12/2025   13:39:16  (  70.59, -27.77)   51.31                69
 06/12/2025   14:28:39   ( -70.11, 139.14) 06/12/2025   14:28:53  ( -70.10, 139.14)    1.16                14
 06/12/2025   15:19:23   (  69.96, -53.34) 06/12/2025   15:18:20  (  69.99, -53.37)    2.57                63
 06/15/2025   05:54:54   (  70.18,  87.46) 06/15/2025   05:55:50  (  70.16,  87.49)    3.16                56
 06/15/2025   06:45:35   ( -70.06,-105.03) 06/15/2025   06:45:20  ( -70.05,-105.02)    1.18                15
 06/15/2025   07:36:07   (  69.28,  63.42) 06/15/2025   07:34:58  (  69.33,  61.63)   70.33                69