Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 7 20.  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)
 07/20/2024   22:36:49   (  70.08,-162.96) 07/20/2024   22:37:23  (  70.08,-163.02)    2.37                34
 07/20/2024   23:27:31   ( -69.99,   4.51) 07/20/2024   23:26:53  ( -69.96,   4.45)    3.37                38
 07/23/2024   14:03:09   ( -70.65, 144.61) 07/23/2024   14:04:19  ( -70.54, 145.89)   48.66                70
 07/23/2024   14:53:44   (  70.07, -47.16) 07/23/2024   14:53:53  (  70.07, -47.16)    0.33                 9
 07/23/2024   15:44:26   ( -69.97, 120.30) 07/23/2024   15:43:23  ( -69.95, 120.31)    2.27                63
 07/26/2024   06:19:56   ( -70.17, -98.86) 07/26/2024   06:20:56  ( -70.16, -98.79)    3.03                60
 07/26/2024   07:10:39   (  70.02,  68.69) 07/26/2024   07:10:24  (  70.00,  68.63)    2.56                15
 07/26/2024   08:01:12   ( -69.44,-123.14) 07/26/2024   08:00:02  ( -69.45,-124.50)   52.99                70
 07/28/2024   22:36:51   ( -70.13,  16.98) 07/28/2024   22:37:26  ( -70.11,  17.03)    2.74                35
 07/28/2024   23:27:34   (  69.98,-175.48) 07/28/2024   23:26:53  (  70.01,-175.48)    3.01                41
 07/31/2024   14:03:10   (  70.53, -35.19) 07/31/2024   14:04:21  (  70.40, -34.30)   36.08                71
 07/31/2024   14:53:45   ( -70.05, 132.88) 07/31/2024   14:53:55  ( -70.07, 132.86)    2.80                10
 07/31/2024   15:44:29   (  69.96, -59.67) 07/31/2024   15:43:22  (  69.96, -59.65)    1.23                67