Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 5 12.  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)
 05/13/2024   23:01:10   ( -70.12,  10.73) 05/13/2024   23:02:04  ( -70.10,  10.74)    1.51                54
 05/13/2024   23:51:54   (  70.00, 178.21) 05/13/2024   23:51:31  (  70.00, 178.23)    0.77                23
 05/14/2024   00:42:21   ( -69.12, -13.19) 05/14/2024   00:41:13  ( -69.22, -15.18)   79.55                68
 05/16/2024   15:18:01   ( -70.08, 126.58) 05/16/2024   15:18:29  ( -70.07, 126.58)    1.27                28
 05/16/2024   16:08:45   (  69.96, -65.94) 05/16/2024   16:07:56  (  69.95, -65.93)    0.93                49
 05/19/2024   06:44:11   (  70.20,  74.86) 05/19/2024   06:45:21  (  70.20,  75.04)    6.96                70
 05/19/2024   07:34:51   ( -70.01,-117.53) 05/19/2024   07:34:52  ( -70.04,-117.56)    3.26                 1
 05/19/2024   08:25:33   (  69.79,  50.11) 05/19/2024   08:24:20  (  69.87,  49.85)   13.11                73
 05/21/2024   23:01:00   (  70.12,-169.21) 05/21/2024   23:01:43  (  70.13,-169.15)    3.07                43
 05/21/2024   23:51:41   ( -69.98,  -1.68) 05/21/2024   23:51:14  ( -69.97,  -1.75)    2.70                27
 05/24/2024   14:27:17   ( -70.84, 138.12) 05/24/2024   14:28:25  ( -70.75, 140.02)   70.53                68
 05/24/2024   15:17:48   (  70.06, -53.32) 05/24/2024   15:18:02  (  70.08, -53.31)    2.49                14
 05/24/2024   16:08:30   ( -69.97, 114.14) 05/24/2024   16:07:32  ( -69.97, 114.17)    1.31                58