Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 8 23.  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)
 08/24/2024   14:03:19   ( -70.65, 144.66) 08/24/2024   14:04:29  ( -70.51, 145.85)   46.91                70
 08/24/2024   14:53:54   (  70.07, -47.13) 08/24/2024   14:54:02  (  70.08, -47.13)    0.57                 8
 08/24/2024   15:44:36   ( -69.97, 120.34) 08/24/2024   15:43:32  ( -69.97, 120.35)    0.79                64
 08/27/2024   06:20:03   ( -70.15, -98.76) 08/27/2024   06:21:04  ( -70.13, -98.81)    2.13                61
 08/27/2024   07:10:47   (  70.05,  68.70) 08/27/2024   07:10:31  (  70.02,  68.68)    2.34                16
 08/27/2024   08:01:19   ( -69.42,-123.05) 08/27/2024   08:00:09  ( -69.48,-124.44)   54.64                70
 08/29/2024   22:36:55   ( -70.13,  17.04) 08/29/2024   22:37:30  ( -70.13,  17.09)    1.76                35
 08/29/2024   23:27:39   (  70.03,-175.50) 08/29/2024   23:26:57  (  70.02,-175.43)    2.99                42
 09/01/2024   14:03:12   (  70.56, -35.16) 09/01/2024   14:04:22  (  70.45, -34.19)   38.00                70
 09/01/2024   14:53:47   ( -70.09, 132.90) 09/01/2024   14:53:57  ( -70.07, 132.90)    1.38                10
 09/01/2024   15:44:30   (  69.94, -59.56) 09/01/2024   15:43:24  (  69.96, -59.62)    3.35                66
 09/04/2024   06:19:57   (  70.16,  81.26) 09/04/2024   06:20:52  (  70.16,  81.29)    1.31                55
 09/04/2024   07:10:39   ( -70.06,-111.26) 09/04/2024   07:10:22  ( -70.06,-111.22)    1.86                17
 09/04/2024   08:01:09   (  69.22,  57.28) 09/04/2024   08:00:01  (  69.28,  55.36)   76.16                68