Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8
TLE Epoch: 2025 1 30.  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)
 01/31/2025   14:53:33   (  70.17, -47.04) 01/31/2025   14:54:19  (  70.18, -47.06)    1.19                46
 01/31/2025   15:44:14   ( -70.06, 120.45) 01/31/2025   15:43:49  ( -70.07, 120.42)    1.87                25
 02/03/2025   07:10:19   (  70.14,  68.81) 02/03/2025   07:10:49  (  70.16,  68.78)    2.04                30
 02/03/2025   08:01:00   ( -70.03,-123.70) 02/03/2025   08:00:19  ( -70.05,-123.74)    2.95                41
 02/05/2025   22:36:32   ( -70.88,  16.12) 02/05/2025   22:37:40  ( -70.80,  17.97)   68.05                68
 02/05/2025   23:27:04   (  70.13,-175.36) 02/05/2025   23:27:17  (  70.15,-175.35)    2.47                13
 02/06/2025   00:17:46   ( -70.06,  -7.95) 02/06/2025   00:16:47  ( -70.04,  -7.87)    3.61                59
 02/08/2025   14:53:07   ( -70.30, 132.86) 02/08/2025   14:54:18  ( -70.26, 133.04)    8.13                71
 02/08/2025   15:43:50   (  70.12, -59.55) 02/08/2025   15:43:46  (  70.09, -59.55)    3.23                 4
 02/08/2025   16:34:30   ( -69.95, 108.03) 02/08/2025   16:33:16  ( -69.99, 107.94)    5.53                74
 02/11/2025   07:09:51   ( -70.20,-111.18) 02/11/2025   07:10:46  ( -70.22,-111.13)    2.64                55
 02/11/2025   08:00:35   (  70.08,  56.32) 02/11/2025   08:00:13  (  70.10,  56.35)    3.06                22