Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9
TLE Epoch: 2024 3 15.  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)
 03/16/2024   07:34:53   ( -69.99,-117.62) 03/16/2024   07:35:41  ( -70.02,-117.63)    2.57                48
 03/16/2024   08:25:37   (  69.88,  49.86) 03/16/2024   08:25:09  (  69.86,  49.79)    3.36                28
 03/18/2024   23:01:22   (  70.76,-170.39) 03/18/2024   23:02:30  (  70.66,-168.45)   72.20                68
 03/18/2024   23:51:51   ( -69.98,  -1.84) 03/18/2024   23:52:11  ( -69.95,  -1.85)    2.93                20
 03/19/2024   00:42:35   (  69.86, 165.64) 03/19/2024   00:41:38  (  69.84, 165.65)    2.51                57
 03/21/2024   15:18:05   (  70.02, -53.45) 03/21/2024   15:19:09  (  70.02, -53.51)    2.17                64
 03/21/2024   16:08:47   ( -69.92, 114.02) 03/21/2024   16:08:39  ( -69.91, 113.98)    1.76                 8
 03/21/2024   16:59:23   (  69.38, -77.89) 03/21/2024   16:58:12  (  69.47, -78.99)   43.71                71
 03/24/2024   07:35:02   (  69.97,  62.38) 03/24/2024   07:35:37  (  70.00,  62.35)    3.02                35
 03/24/2024   08:25:44   ( -69.87,-130.14) 03/24/2024   08:25:07  ( -69.90,-130.16)    3.23                37
 03/26/2024   23:01:23   ( -70.46,  10.08) 03/26/2024   23:02:33  ( -70.34,  11.08)   39.23                70
 03/26/2024   23:51:59   (  69.94, 178.20) 03/26/2024   23:52:05  (  69.95, 178.17)    2.06                 6
 03/27/2024   00:42:41   ( -69.83, -14.32) 03/27/2024   00:41:35  ( -69.85, -14.34)    2.80                66