Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2025 2 19.  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)
 02/19/2025   06:20:08   ( -70.21, -98.77) 02/19/2025   06:21:16  ( -70.22, -98.77)    1.37                68
 02/19/2025   07:10:53   (  70.11,  68.68) 02/19/2025   07:10:43  (  70.12,  68.72)    1.71                10
 02/19/2025   08:01:29   ( -69.74,-123.44) 02/19/2025   08:00:17  ( -69.78,-124.11)   26.42                72
 02/21/2025   22:37:03   ( -70.17,  17.05) 02/21/2025   22:37:43  ( -70.17,  17.04)    0.66                40
 02/21/2025   23:27:48   (  70.07,-175.50) 02/21/2025   23:27:10  (  70.06,-175.47)    1.59                38
 02/24/2025   14:03:25   (  70.62, -35.23) 02/24/2025   14:04:35  (  70.51, -34.21)   39.84                70
 02/24/2025   14:53:59   ( -70.14, 132.86) 02/24/2025   14:54:10  ( -70.13, 132.87)    0.97                11
 02/24/2025   15:44:43   (  70.00, -59.62) 02/24/2025   15:43:37  (  70.02, -59.64)    2.53                66
 02/27/2025   06:20:13   (  70.19,  81.22) 02/27/2025   06:21:06  (  70.20,  81.24)    1.43                53
 02/27/2025   07:10:54   ( -70.07,-111.27) 02/27/2025   07:10:36  ( -70.10,-111.28)    3.32                18
 02/27/2025   08:01:24   (  69.19,  57.32) 02/27/2025   08:00:17  (  69.21,  55.15)   85.52                67
 03/01/2025   22:37:08   (  70.15,-162.95) 03/01/2025   22:37:32  (  70.13,-162.98)    2.31                24
 03/01/2025   23:27:49   ( -70.02,   4.57) 03/01/2025   23:27:02  ( -70.02,   4.51)    2.68                47
 03/04/2025   14:03:18   ( -70.23, 145.38) 03/04/2025   14:04:28  ( -70.24, 145.43)    2.08                70
 03/04/2025   14:54:02   (  70.11, -47.13) 03/04/2025   14:53:55  (  70.12, -47.10)    1.39                 7
 03/04/2025   15:44:40   ( -69.82, 120.64) 03/04/2025   15:43:27  ( -69.91, 120.24)   18.16                73