Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2025 3 17.  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)
 03/17/2025   22:37:06   (  70.17,-163.00) 03/17/2025   22:37:30  (  70.16,-162.97)    1.91                24
 03/17/2025   23:27:47   ( -70.03,   4.53) 03/17/2025   23:27:00  ( -70.04,   4.50)    2.13                47
 03/20/2025   14:03:15   ( -70.28, 145.29) 03/20/2025   14:04:27  ( -70.24, 145.39)    6.20                72
 03/20/2025   14:53:58   (  70.12, -47.16) 03/20/2025   14:53:54  (  70.13, -47.12)    1.57                 4
 03/20/2025   15:44:38   ( -69.92, 120.47) 03/20/2025   15:43:25  ( -69.96, 120.28)    8.56                73
 03/23/2025   06:20:07   ( -70.19, -98.80) 03/23/2025   06:20:51  ( -70.21, -98.75)    2.74                44
 03/23/2025   07:10:51   (  70.09,  68.66) 03/23/2025   07:10:18  (  70.10,  68.73)    2.71                33
 03/25/2025   21:46:28   (  70.81,-151.32) 03/25/2025   21:47:37  (  70.67,-149.80)   57.72                69
 03/25/2025   22:36:59   ( -70.12,  17.09) 03/25/2025   22:37:15  ( -70.13,  17.03)    2.60                16
 03/25/2025   23:27:43   (  70.03,-175.46) 03/25/2025   23:26:42  (  70.01,-175.49)    2.25                61
 03/28/2025   14:03:09   (  70.18, -34.54) 03/28/2025   14:04:07  (  70.20, -34.59)    3.15                58
 03/28/2025   14:53:52   ( -70.11, 132.88) 03/28/2025   14:53:37  ( -70.09, 132.89)    2.42                15
 03/28/2025   15:44:23   (  69.34, -58.67) 03/28/2025   15:43:15  (  69.37, -60.46)   70.42                68