Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2025 3 6.  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)
 03/07/2025   06:20:12   ( -70.21, -98.82) 03/07/2025   06:21:09  ( -70.23, -98.77)    3.05                57
 03/07/2025   07:10:56   (  70.08,  68.69) 03/07/2025   07:10:37  (  70.07,  68.65)    1.78                19
 03/07/2025   08:01:26   ( -69.37,-122.95) 03/07/2025   08:00:17  ( -69.41,-124.62)   65.60                69
 03/09/2025   22:37:06   ( -70.15,  17.04) 03/09/2025   22:37:39  ( -70.15,  17.00)    1.86                33
 03/09/2025   23:27:50   (  70.02,-175.46) 03/09/2025   23:27:06  (  70.04,-175.51)    2.82                44
 03/12/2025   14:03:23   (  70.45, -34.97) 03/12/2025   14:04:35  (  70.36, -34.45)   21.63                72
 03/12/2025   14:54:01   ( -70.15, 132.81) 03/12/2025   14:54:07  ( -70.14, 132.87)    2.13                 6
 03/12/2025   15:44:45   (  70.03, -59.70) 03/12/2025   15:43:34  (  70.03, -59.64)    2.13                71
 03/15/2025   06:20:12   (  70.20,  81.18) 03/15/2025   06:21:04  (  70.21,  81.22)    1.74                52
 03/15/2025   07:10:54   ( -70.10,-111.35) 03/15/2025   07:10:34  ( -70.11,-111.30)    2.05                20
 03/15/2025   08:01:22   (  69.14,  57.36) 03/15/2025   08:00:15  (  69.22,  55.14)   88.30                67
 03/17/2025   22:37:05   (  70.12,-162.92) 03/17/2025   22:37:32  (  70.14,-163.00)    3.58                27
 03/17/2025   23:27:47   ( -70.02,   4.55) 03/17/2025   23:27:02  ( -70.04,   4.49)    3.31                45