Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2025 1 14.  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)
 01/15/2025   14:03:39   ( -70.49, 145.00) 01/15/2025   14:04:51  ( -70.40, 145.62)   25.39                72
 01/15/2025   14:54:18   (  70.11, -47.10) 01/15/2025   14:54:21  (  70.13, -47.11)    2.91                 3
 01/15/2025   15:45:00   ( -70.03, 120.34) 01/15/2025   15:43:51  ( -70.02, 120.36)    1.41                69
 01/18/2025   06:20:22   ( -70.21, -98.77) 01/18/2025   06:21:23  ( -70.19, -98.80)    2.73                61
 01/18/2025   07:11:05   (  70.09,  68.72) 01/18/2025   07:10:49  (  70.08,  68.70)    1.27                16
 01/18/2025   08:01:37   ( -69.48,-123.06) 01/18/2025   08:00:27  ( -69.53,-124.43)   53.58                70
 01/20/2025   22:37:08   ( -70.15,  17.12) 01/20/2025   22:37:50  ( -70.16,  17.05)    2.99                42
 01/20/2025   23:27:53   (  70.08,-175.48) 01/20/2025   23:27:17  (  70.05,-175.46)    3.36                36
 01/23/2025   14:03:29   (  71.02, -35.80) 01/23/2025   14:04:36  (  70.87, -33.64)   79.97                67
 01/23/2025   14:53:56   ( -70.15, 132.91) 01/23/2025   14:54:17  ( -70.16, 132.93)    1.33                21
 01/23/2025   15:44:40   (  70.03, -59.60) 01/23/2025   15:43:44  (  70.05, -59.58)    2.06                56
 01/26/2025   06:20:03   (  70.29,  81.17) 01/26/2025   06:21:13  (  70.29,  81.37)    7.56                70
 01/26/2025   07:10:43   ( -70.11,-111.23) 01/26/2025   07:10:44  ( -70.13,-111.23)    2.06                 1
 01/26/2025   08:01:25   (  69.88,  56.42) 01/26/2025   08:00:13  (  69.90,  56.10)   12.26                72