Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 6 27.  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)
 06/28/2024   05:54:22   (  70.51,  86.95) 06/28/2024   05:55:33  (  70.40,  87.66)   29.13                71
 06/28/2024   06:44:58   ( -70.12,-105.11) 06/28/2024   06:45:06  ( -70.12,-105.12)    0.14                 8
 06/28/2024   07:35:43   (  70.04,  62.31) 06/28/2024   07:34:33  (  70.02,  62.39)    3.51                70
 06/30/2024   22:11:14   (  70.20,-156.79) 06/30/2024   22:12:06  (  70.18,-156.79)    2.04                52
 06/30/2024   23:01:55   ( -70.06,  10.74) 06/30/2024   23:01:36  ( -70.06,  10.68)    2.19                19
 06/30/2024   23:52:24   (  69.14, 179.40) 06/30/2024   23:51:17  (  69.19, 177.14)   89.58                67
 07/03/2024   14:28:11   (  70.16, -40.96) 07/03/2024   14:28:35  (  70.14, -40.97)    1.53                24
 07/03/2024   15:18:52   ( -70.02, 126.57) 07/03/2024   15:18:05  ( -70.03, 126.51)    3.04                47
 07/06/2024   05:54:24   ( -70.24, -92.63) 07/06/2024   05:55:36  ( -70.24, -92.60)    1.14                72
 07/06/2024   06:45:08   (  70.12,  74.86) 07/06/2024   06:45:03  (  70.13,  74.89)    1.09                 5
 07/06/2024   07:35:46   ( -69.87,-117.44) 07/06/2024   07:34:34  ( -69.91,-117.79)   13.70                72
 07/08/2024   22:11:20   ( -70.21,  23.18) 07/08/2024   22:12:03  ( -70.19,  23.21)    2.93                43
 07/08/2024   23:02:04   (  70.10,-169.34) 07/08/2024   23:01:30  (  70.08,-169.30)    3.17                34
 07/11/2024   13:37:44   (  70.77, -29.26) 07/11/2024   13:38:53  (  70.65, -27.86)   52.97                69
 07/11/2024   14:28:16   ( -70.14, 139.06) 07/11/2024   14:28:30  ( -70.16, 139.05)    2.10                14
 07/11/2024   15:19:00   (  70.04, -53.47) 07/11/2024   15:17:57  (  70.04, -53.46)    1.01                63