Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 6 18.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-21) NOAA-21 Lat/Lon Date Time(LANDSAT-8) LANDSAT-8 Lat/Lon    Distance(km)  Time Diff(sec)
 06/18/2024   22:36:21   (  70.09,-162.94) 06/18/2024   22:36:59  (  70.08,-162.98)    1.77                38
 06/18/2024   23:27:02   ( -69.96,   4.57) 06/18/2024   23:26:29  ( -69.97,   4.49)    3.14                33
 06/21/2024   14:02:46   ( -70.77, 144.43) 06/21/2024   14:03:55  ( -70.65, 146.07)   61.73                69
 06/21/2024   14:53:19   (  70.06, -47.13) 06/21/2024   14:53:31  (  70.05, -47.16)    1.57                12
 06/21/2024   15:44:00   ( -69.93, 120.38) 06/21/2024   15:43:01  ( -69.94, 120.33)    2.50                59
 06/24/2024   06:19:32   ( -70.17, -98.84) 06/24/2024   06:20:34  ( -70.15, -98.78)    3.12                62
 06/24/2024   07:10:16   (  70.04,  68.66) 06/24/2024   07:10:01  (  70.04,  68.71)    1.94                15
 06/24/2024   08:00:49   ( -69.48,-123.19) 06/24/2024   07:59:38  ( -69.55,-124.33)   45.08                71
 06/26/2024   22:36:29   ( -70.10,  17.03) 06/26/2024   22:37:05  ( -70.12,  17.05)    2.36                36
 06/26/2024   23:27:13   (  69.98,-175.47) 06/26/2024   23:26:33  (  69.95,-175.53)    3.38                40
 06/29/2024   14:02:51   (  70.50, -35.15) 06/29/2024   14:04:02  (  70.38, -34.32)   33.44                71
 06/29/2024   14:53:26   ( -70.04, 132.89) 06/29/2024   14:53:36  ( -70.06, 132.85)    2.94                10
 06/29/2024   15:44:11   (  69.97, -59.70) 06/29/2024   15:43:03  (  69.95, -59.66)    3.06                68