Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 6 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)
 06/25/2024   14:28:01   ( -70.14, 139.09) 06/25/2024   14:28:30  ( -70.14, 139.08)    0.53                29
 06/25/2024   15:18:46   (  70.06, -53.49) 06/25/2024   15:17:57  (  70.04, -53.42)    3.20                49
 06/28/2024   05:54:17   (  70.21,  87.43) 06/28/2024   05:55:24  (  70.23,  87.46)    2.52                67
 06/28/2024   06:44:58   ( -70.12,-105.12) 06/28/2024   06:44:53  ( -70.11,-105.08)    2.49                 5
 06/28/2024   07:35:36   (  69.68,  62.85) 06/28/2024   07:34:25  (  69.73,  62.04)   31.96                71
 06/30/2024   22:11:13   (  70.15,-156.72) 06/30/2024   22:11:47  (  70.16,-156.74)    1.43                34
 06/30/2024   23:01:55   ( -70.06,  10.74) 06/30/2024   23:01:17  ( -70.04,  10.73)    2.01                38
 07/03/2024   13:37:30   ( -70.43, 151.31) 07/03/2024   13:38:41  ( -70.34, 151.78)   19.88                71
 07/03/2024   14:28:10   (  70.10, -40.87) 07/03/2024   14:28:10  (  70.12, -40.89)    2.38                 0
 07/03/2024   15:18:52   ( -70.01, 126.59) 07/03/2024   15:17:40  ( -70.01, 126.58)    0.32                72
 07/06/2024   05:54:23   ( -70.17, -92.52) 07/06/2024   05:55:06  ( -70.16, -92.57)    2.04                43
 07/06/2024   06:45:07   (  70.06,  74.96) 07/06/2024   06:44:33  (  70.05,  74.91)    2.00                34