Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 8 18.  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)
 08/20/2024   14:28:34   (  70.12, -40.88) 08/20/2024   14:29:15  (  70.12, -40.90)    1.07                41
 08/20/2024   15:19:16   ( -70.02, 126.60) 08/20/2024   15:18:45  ( -70.01, 126.58)    1.55                31
 08/23/2024   05:55:00   ( -71.06, -93.93) 08/23/2024   05:56:06  ( -70.98, -91.38)   92.71                66
 08/23/2024   06:45:28   (  70.13,  74.90) 08/23/2024   06:45:47  (  70.11,  74.97)    3.42                19
 08/23/2024   07:36:10   ( -70.02,-117.63) 08/23/2024   07:35:17  ( -70.01,-117.55)    3.66                53
 08/25/2024   22:11:39   ( -70.31,  23.10) 08/25/2024   22:12:50  ( -70.27,  23.43)   13.12                71
 08/25/2024   23:02:20   (  70.05,-169.20) 08/25/2024   23:02:19  (  70.05,-169.24)    1.45                 1
 08/25/2024   23:53:02   ( -69.95,  -1.72) 08/25/2024   23:51:49  ( -69.95,  -1.75)    1.16                73
 08/28/2024   14:28:29   ( -70.14, 139.13) 08/28/2024   14:29:22  ( -70.16, 139.15)    1.44                53
 08/28/2024   15:19:13   (  70.05, -53.41) 08/28/2024   15:18:49  (  70.04, -53.37)    1.80                24
 08/28/2024   16:09:40   ( -69.15, 115.22) 08/28/2024   16:08:32  ( -69.23, 113.15)   82.38                68
 08/31/2024   06:45:20   ( -70.11,-105.02) 08/31/2024   06:45:51  ( -70.10,-105.05)    1.93                31
 08/31/2024   07:36:03   (  69.96,  62.51) 08/31/2024   07:35:18  (  69.98,  62.43)    3.44                45