Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2025 2 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)
 02/16/2025   14:03:28   ( -71.09, 144.03) 02/16/2025   14:04:34  ( -71.01, 146.53)   90.62                66
 02/16/2025   14:53:57   (  70.16, -47.15) 02/16/2025   14:54:15  (  70.14, -47.12)    2.39                18
 02/16/2025   15:44:38   ( -70.05, 120.34) 02/16/2025   15:43:45  ( -70.03, 120.35)    2.16                53
 02/19/2025   06:20:07   ( -70.20, -98.76) 02/19/2025   06:21:16  ( -70.20, -98.80)    1.73                69
 02/19/2025   07:10:52   (  70.10,  68.69) 02/19/2025   07:10:43  (  70.09,  68.69)    1.25                 9
 02/19/2025   08:01:29   ( -69.78,-123.50) 02/19/2025   08:00:16  ( -69.82,-124.06)   22.06                73
 02/21/2025   22:37:04   ( -70.20,  17.00) 02/21/2025   22:37:44  ( -70.18,  17.05)    3.18                40
 02/21/2025   23:27:48   (  70.06,-175.48) 02/21/2025   23:27:11  (  70.07,-175.47)    0.82                37
 02/24/2025   14:03:26   (  70.66, -35.28) 02/24/2025   14:04:36  (  70.55, -34.15)   43.42                70
 02/24/2025   14:53:59   ( -70.11, 132.90) 02/24/2025   14:54:12  ( -70.12, 132.85)    1.91                13
 02/24/2025   15:44:44   (  70.03, -59.67) 02/24/2025   15:43:39  (  70.00, -59.67)    2.77                65
 02/27/2025   06:20:13   (  70.16,  81.26) 02/27/2025   06:21:09  (  70.18,  81.20)    3.18                56
 02/27/2025   07:10:55   ( -70.09,-111.30) 02/27/2025   07:10:39  ( -70.08,-111.31)    0.72                16
 02/27/2025   08:01:26   (  69.26,  57.21) 02/27/2025   08:00:18  (  69.30,  55.26)   76.71                68