Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 8 27.  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)
 08/27/2024   06:20:03   ( -70.15, -98.77) 08/27/2024   06:21:04  ( -70.14, -98.79)    1.15                61
 08/27/2024   07:10:47   (  70.05,  68.70) 08/27/2024   07:10:31  (  70.04,  68.70)    0.40                16
 08/27/2024   08:01:19   ( -69.42,-123.06) 08/27/2024   08:00:09  ( -69.49,-124.42)   53.99                70
 08/29/2024   22:36:56   ( -70.13,  17.04) 08/29/2024   22:37:32  ( -70.12,  17.06)    2.05                36
 08/29/2024   23:27:39   (  70.03,-175.49) 08/29/2024   23:26:58  (  70.01,-175.45)    2.74                41
 09/01/2024   14:03:13   (  70.60, -35.23) 09/01/2024   14:04:23  (  70.47, -34.16)   41.87                70
 09/01/2024   14:53:47   ( -70.08, 132.91) 09/01/2024   14:53:58  ( -70.09, 132.92)    1.51                11
 09/01/2024   15:44:31   (  69.98, -59.62) 09/01/2024   15:43:25  (  69.98, -59.60)    1.06                66
 09/04/2024   06:19:57   (  70.14,  81.29) 09/04/2024   06:20:55  (  70.12,  81.23)    3.11                58
 09/04/2024   07:10:39   ( -70.04,-111.24) 09/04/2024   07:10:25  ( -70.02,-111.29)    3.03                14
 09/04/2024   08:01:11   (  69.30,  57.16) 09/04/2024   08:00:02  (  69.35,  55.44)   67.67                69
 09/06/2024   22:36:49   (  70.12,-162.88) 09/06/2024   22:37:20  (  70.11,-162.90)    1.44                31
 09/06/2024   23:27:31   ( -70.02,   4.59) 09/06/2024   23:26:50  ( -70.00,   4.59)    1.37                41
 09/09/2024   14:03:03   ( -70.52, 144.96) 09/09/2024   14:04:14  ( -70.38, 145.76)   33.78                71
 09/09/2024   14:53:41   (  70.11, -47.08) 09/09/2024   14:53:44  (  70.09, -47.01)    3.34                 3
 09/09/2024   15:44:21   ( -69.95, 120.47) 09/09/2024   15:43:14  ( -69.94, 120.41)    3.11                67