Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2025 5 23.  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)
 05/24/2025   22:11:32   ( -70.23,  23.24) 05/24/2025   22:12:32  ( -70.22,  23.27)    1.33                60
 05/24/2025   23:02:16   (  70.09,-169.24) 05/24/2025   23:01:59  (  70.12,-169.23)    3.37                17
 05/24/2025   23:52:48   ( -69.49,  -1.03) 05/24/2025   23:51:38  ( -69.51,  -2.44)   55.02                70
 05/27/2025   14:28:29   ( -70.19, 139.06) 05/27/2025   14:29:00  ( -70.19, 139.09)    1.74                31
 05/27/2025   15:19:13   (  70.06, -53.43) 05/27/2025   15:18:27  (  70.08, -53.41)    3.00                46
 05/30/2025   05:54:46   (  70.34,  87.27) 05/30/2025   05:55:57  (  70.30,  87.51)    9.99                71
 05/30/2025   06:45:25   ( -70.11,-105.05) 05/30/2025   06:45:28  ( -70.13,-105.10)    2.91                 3
 05/30/2025   07:36:08   (  69.97,  62.46) 05/30/2025   07:34:55  (  69.97,  62.32)    5.56                73
 06/01/2025   22:11:40   (  70.21,-156.76) 06/01/2025   22:12:24  (  70.22,-156.72)    2.29                44
 06/01/2025   23:02:21   ( -70.08,  10.75) 06/01/2025   23:01:54  ( -70.11,  10.76)    3.24                27
 06/04/2025   13:38:06   ( -71.00, 150.41) 06/04/2025   13:39:13  ( -70.89, 152.52)   77.46                67
 06/04/2025   14:28:37   (  70.19, -40.97) 06/04/2025   14:28:51  (  70.18, -40.89)    2.90                14
 06/04/2025   15:19:18   ( -70.06, 126.54) 06/04/2025   15:18:21  ( -70.08, 126.59)    2.37                57