Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2025 5 2.  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)
 05/02/2025   06:19:36   (  70.25,  81.21) 05/02/2025   06:20:41  (  70.23,  81.22)    1.44                65
 05/02/2025   07:10:18   ( -70.14,-111.31) 05/02/2025   07:10:11  ( -70.12,-111.32)    2.72                 7
 05/02/2025   08:00:55   (  69.67,  56.72) 05/02/2025   07:59:44  (  69.69,  55.73)   38.21                71
 05/04/2025   22:36:34   (  70.21,-162.98) 05/04/2025   22:37:10  (  70.20,-162.96)    1.63                36
 05/04/2025   23:27:16   ( -70.11,   4.50) 05/04/2025   23:26:40  ( -70.08,   4.51)    2.56                36
 05/07/2025   14:02:55   ( -70.66, 144.77) 05/07/2025   14:04:06  ( -70.56, 145.80)   39.67                71
 05/07/2025   14:53:32   (  70.18, -47.18) 05/07/2025   14:53:38  (  70.18, -47.11)    2.60                 6
 05/07/2025   15:44:14   ( -70.08, 120.30) 05/07/2025   15:43:08  ( -70.07, 120.36)    2.86                66
 05/10/2025   06:19:44   ( -70.22, -98.79) 05/10/2025   06:20:38  ( -70.23, -98.80)    1.57                54
 05/10/2025   07:10:28   (  70.11,  68.69) 05/10/2025   07:10:05  (  70.12,  68.69)    1.22                23
 05/10/2025   08:00:56   ( -69.27,-122.76) 05/10/2025   07:59:48  ( -69.30,-124.80)   80.48                68
 05/12/2025   21:46:16   (  71.15,-151.87) 05/12/2025   21:47:22  (  71.02,-149.37)   91.39                66
 05/12/2025   22:36:42   ( -70.21,  16.98) 05/12/2025   22:37:05  ( -70.20,  17.04)    2.59                23
 05/12/2025   23:27:26   (  70.10,-175.54) 05/12/2025   23:26:32  (  70.09,-175.47)    3.19                54
 05/15/2025   14:02:57   (  70.26, -34.65) 05/15/2025   14:04:02  (  70.24, -34.65)    2.72                65
 05/15/2025   14:53:39   ( -70.16, 132.82) 05/15/2025   14:53:32  ( -70.13, 132.83)    3.25                 7
 05/15/2025   15:44:15   (  69.63, -59.07) 05/15/2025   15:43:05  (  69.69, -60.15)   41.92                70