Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 8 30.  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)
 08/31/2024   06:45:22   ( -70.13,-105.06) 08/31/2024   06:45:49  ( -70.12,-105.01)    2.46                27
 08/31/2024   07:36:06   (  70.03,  62.41) 08/31/2024   07:35:16  (  70.02,  62.49)    2.99                50
 09/02/2024   22:11:34   (  70.30,-156.85) 09/02/2024   22:12:46  (  70.25,-156.57)   11.83                72
 09/02/2024   23:02:14   ( -70.10,  10.78) 09/02/2024   23:02:17  ( -70.08,  10.82)    2.44                 3
 09/02/2024   23:52:57   (  69.94, 178.33) 09/02/2024   23:51:45  (  69.92, 178.24)    4.05                72
 09/05/2024   14:28:22   (  70.13, -40.79) 09/05/2024   14:29:13  (  70.15, -40.82)    2.53                51
 09/05/2024   15:19:04   ( -70.03, 126.68) 09/05/2024   15:18:43  ( -70.03, 126.65)    1.05                21
 09/05/2024   16:09:31   (  69.02, -64.55) 09/05/2024   16:08:25  (  69.10, -66.97)   96.73                66
 09/08/2024   06:45:13   (  70.08,  75.08) 09/08/2024   06:45:39  (  70.09,  75.00)    3.18                26
 09/08/2024   07:35:55   ( -69.98,-117.46) 09/08/2024   07:35:09  ( -69.98,-117.52)    2.45                46
 09/10/2024   22:11:23   ( -70.31,  23.20) 09/10/2024   22:12:35  ( -70.25,  23.49)   12.84                72
 09/10/2024   23:02:04   (  70.05,-169.09) 09/10/2024   23:02:03  (  70.08,-169.11)    3.16                 1
 09/10/2024   23:52:46   ( -69.95,  -1.62) 09/10/2024   23:51:33  ( -69.97,  -1.63)    2.05                73
 09/13/2024   14:28:11   ( -70.14, 139.25) 09/13/2024   14:29:00  ( -70.12, 139.22)    2.56                49
 09/13/2024   15:18:55   (  70.04, -53.28) 09/13/2024   15:18:26  (  70.06, -53.22)    2.87                29