Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2024 11 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)
 11/20/2024   13:14:13   ( -70.62, 157.29) 11/20/2024   13:15:24  ( -70.49, 158.15)   34.61                71
 11/20/2024   14:04:50   (  70.15, -34.66) 11/20/2024   14:04:55  (  70.17, -34.68)    2.68                 5
 11/20/2024   14:55:32   ( -70.05, 132.81) 11/20/2024   14:54:25  ( -70.06, 132.80)    2.04                67
 11/23/2024   05:31:01   ( -70.25, -86.36) 11/23/2024   05:32:01  ( -70.23, -86.37)    1.81                60
 11/23/2024   06:21:45   (  70.15,  81.10) 11/23/2024   06:21:28  (  70.12,  81.12)    2.91                17
 11/23/2024   07:12:16   ( -69.46,-110.56) 11/23/2024   07:11:07  ( -69.53,-112.07)   59.50                69
 11/25/2024   21:47:55   ( -70.20,  29.48) 11/25/2024   21:48:33  ( -70.20,  29.46)    0.83                38
 11/25/2024   22:38:39   (  70.11,-163.07) 11/25/2024   22:38:00  (  70.09,-163.05)    1.74                39
 11/28/2024   13:14:16   (  70.81, -23.04) 11/28/2024   13:15:25  (  70.73, -21.51)   56.47                69
 11/28/2024   14:04:48   ( -70.16, 145.30) 11/28/2024   14:05:04  ( -70.14, 145.25)    3.39                16
 11/28/2024   14:55:32   (  70.08, -47.26) 11/28/2024   14:54:30  (  70.08, -47.19)    2.33                62
 12/01/2024   05:31:00   (  70.26,  93.60) 12/01/2024   05:32:04  (  70.25,  93.64)    2.46                64
 12/01/2024   06:21:42   ( -70.14, -98.89) 12/01/2024   06:21:34  ( -70.15, -98.87)    1.38                 8
 12/01/2024   07:12:18   (  69.63,  69.17) 12/01/2024   07:11:07  (  69.70,  68.15)   40.17                71