Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 8 21.  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)
 08/23/2024   05:54:59   ( -71.02, -93.86) 08/23/2024   05:56:06  ( -70.92, -91.47)   87.25                67
 08/23/2024   06:45:27   (  70.08,  74.96) 08/23/2024   06:45:46  (  70.11,  74.96)    2.46                19
 08/23/2024   07:36:09   ( -69.98,-117.56) 08/23/2024   07:35:16  ( -70.00,-117.56)    1.49                53
 08/25/2024   22:11:38   ( -70.26,  23.17) 08/25/2024   22:12:49  ( -70.22,  23.36)    8.15                71
 08/25/2024   23:02:20   (  70.05,-169.20) 08/25/2024   23:02:17  (  70.05,-169.23)    1.19                 3
 08/25/2024   23:53:01   ( -69.90,  -1.65) 08/25/2024   23:51:48  ( -69.89,  -1.82)    6.82                73
 08/28/2024   14:28:29   ( -70.13, 139.15) 08/28/2024   14:29:19  ( -70.15, 139.15)    1.90                50
 08/28/2024   15:19:13   (  70.04, -53.39) 08/28/2024   15:18:46  (  70.04, -53.36)    1.27                27
 08/28/2024   16:09:38   ( -69.03, 115.38) 08/28/2024   16:08:32  ( -69.05, 112.94)   97.40                66
 08/31/2024   06:45:22   ( -70.14,-105.07) 08/31/2024   06:45:47  ( -70.13,-105.00)    3.14                25
 08/31/2024   07:36:05   (  69.99,  62.47) 08/31/2024   07:35:14  (  70.01,  62.49)    2.53                51
 09/02/2024   22:11:31   (  70.22,-156.72) 09/02/2024   22:12:43  (  70.18,-156.65)    4.40                72
 09/02/2024   23:02:12   ( -70.06,  10.85) 09/02/2024   23:02:13  ( -70.08,  10.84)    2.85                 1
 09/02/2024   23:52:54   (  69.86, 178.46) 09/02/2024   23:51:41  (  69.91, 178.24)   10.25                73