Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 6 21.  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)
 06/21/2024   14:02:46   ( -70.78, 144.41) 06/21/2024   14:03:54  ( -70.69, 146.13)   64.01                68
 06/21/2024   14:53:19   (  70.07, -47.15) 06/21/2024   14:53:30  (  70.10, -47.09)    3.39                11
 06/21/2024   15:44:00   ( -69.94, 120.36) 06/21/2024   15:43:01  ( -69.93, 120.31)    2.87                59
 06/24/2024   06:19:31   ( -70.13, -98.78) 06/24/2024   06:20:34  ( -70.14, -98.80)    1.48                63
 06/24/2024   07:10:16   (  70.05,  68.65) 06/24/2024   07:10:01  (  70.04,  68.70)    2.43                15
 06/24/2024   08:00:49   ( -69.50,-123.21) 06/24/2024   07:59:38  ( -69.54,-124.35)   44.70                71
 06/26/2024   22:36:29   ( -70.11,  17.02) 06/26/2024   22:37:05  ( -70.11,  17.05)    1.20                36
 06/26/2024   23:27:13   (  69.98,-175.48) 06/26/2024   23:26:32  (  70.01,-175.46)    3.08                41
 06/29/2024   14:02:51   (  70.50, -35.14) 06/29/2024   14:04:02  (  70.39, -34.31)   33.40                71
 06/29/2024   14:53:26   ( -70.04, 132.89) 06/29/2024   14:53:36  ( -70.06, 132.85)    2.71                10
 06/29/2024   15:44:11   (  69.97, -59.70) 06/29/2024   15:43:03  (  69.95, -59.66)    2.62                68
 07/02/2024   06:19:42   (  70.12,  81.21) 07/02/2024   06:20:36  (  70.14,  81.22)    2.05                54
 07/02/2024   07:10:24   ( -70.03,-111.33) 07/02/2024   07:10:06  ( -70.04,-111.30)    1.58                18
 07/02/2024   08:00:54   (  69.17,  57.23) 07/02/2024   07:59:46  (  69.21,  55.22)   79.77                68
 07/04/2024   22:36:38   (  70.07,-162.95) 07/04/2024   22:37:05  (  70.09,-162.97)    2.14                27
 07/04/2024   23:27:20   ( -69.97,   4.52) 07/04/2024   23:26:35  ( -69.99,   4.52)    1.44                45