Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8 TLE Epoch: 2025 5 31. 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) 05/31/2025 14:03:11 ( 70.20, -34.62) 05/31/2025 14:04:16 ( 70.18, -34.60) 1.64 65 05/31/2025 14:53:52 ( -70.08, 132.87) 05/31/2025 14:53:46 ( -70.07, 132.86) 1.69 6 05/31/2025 15:44:30 ( 69.62, -59.13) 05/31/2025 15:43:19 ( 69.64, -60.09) 37.33 71 06/03/2025 06:20:07 ( 70.12, 81.25) 06/03/2025 06:20:46 ( 70.11, 81.17) 3.34 39 06/03/2025 07:10:49 ( -70.06,-111.33) 06/03/2025 07:10:15 ( -70.05,-111.27) 2.57 34 06/05/2025 21:46:30 ( -70.78, 28.67) 06/05/2025 21:47:39 ( -70.66, 30.23) 58.90 69 06/05/2025 22:37:04 ( 70.11,-162.97) 06/05/2025 22:37:14 ( 70.12,-162.92) 2.27 10 06/05/2025 23:27:45 ( -69.99, 4.53) 06/05/2025 23:26:44 ( -70.01, 4.56) 2.39 61 06/08/2025 14:03:16 ( -70.19, 145.36) 06/08/2025 14:04:16 ( -70.17, 145.40) 2.58 60 06/08/2025 14:54:00 ( 70.05, -47.11) 06/08/2025 14:53:43 ( 70.06, -47.12) 1.34 17 06/08/2025 15:44:31 ( -69.40, 121.16) 06/08/2025 15:43:22 ( -69.46, 119.69) 58.05 69 06/11/2025 06:20:11 ( -70.13, -98.79) 06/11/2025 06:20:43 ( -70.15, -98.75) 1.99 32 06/11/2025 07:10:55 ( 69.99, 68.74) 06/11/2025 07:10:11 ( 69.98, 68.66) 3.40 44 06/13/2025 21:46:28 ( 70.31,-150.62) 06/13/2025 21:47:40 ( 70.26,-150.33) 12.45 72 06/13/2025 22:37:07 ( -70.08, 17.05) 06/13/2025 22:37:11 ( -70.10, 17.08) 2.37 4 06/13/2025 23:27:51 ( 69.94,-175.43) 06/13/2025 23:26:39 ( 69.93,-175.52) 3.66 72