Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2025 4 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)
 04/02/2025   22:36:51   (  70.16,-162.94) 04/02/2025   22:37:26  (  70.17,-162.98)    1.77                35
 04/02/2025   23:27:33   ( -70.05,   4.54) 04/02/2025   23:26:56  ( -70.05,   4.49)    2.19                37
 04/05/2025   14:03:10   ( -70.83, 144.46) 04/05/2025   14:04:19  ( -70.73, 146.07)   60.21                69
 04/05/2025   14:53:42   (  70.12, -47.10) 04/05/2025   14:53:55  (  70.13, -47.16)    2.74                13
 04/05/2025   15:44:24   ( -70.00, 120.40) 04/05/2025   15:43:25  ( -70.02, 120.32)    3.62                59
 04/08/2025   06:19:49   ( -70.22, -98.78) 04/08/2025   06:20:55  ( -70.22, -98.80)    0.54                66
 04/08/2025   07:10:32   (  70.09,  68.73) 04/08/2025   07:10:22  (  70.11,  68.70)    3.04                10
 04/08/2025   08:01:09   ( -69.70,-123.38) 04/08/2025   07:59:57  ( -69.73,-124.21)   32.20                72
 04/10/2025   22:36:40   ( -70.20,  17.04) 04/10/2025   22:37:23  ( -70.17,  17.01)    3.35                43
 04/10/2025   23:27:23   (  70.07,-175.46) 04/10/2025   23:26:50  (  70.06,-175.50)    2.22                33
 04/13/2025   14:03:01   (  70.95, -35.70) 04/13/2025   14:04:09  (  70.84, -33.74)   72.38                68
 04/13/2025   14:53:30   ( -70.14, 132.92) 04/13/2025   14:53:50  ( -70.14, 132.85)    2.67                20
 04/13/2025   15:44:14   (  70.07, -59.66) 04/13/2025   15:43:16  (  70.08, -59.59)    2.97                58